./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_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_41-traces-ex-7_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_41-traces-ex-7_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-cb09d65-m [2024-01-27 23:29:04,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:29:04,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:29:04,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:29:04,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:29:04,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:29:04,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:29:04,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:29:04,248 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:29:04,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:29:04,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:29:04,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:29:04,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:29:04,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:29:04,255 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:29:04,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:29:04,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:29:04,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:29:04,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:29:04,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:29:04,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:29:04,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:29:04,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:29:04,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:29:04,258 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:29:04,258 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:29:04,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:29:04,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:29:04,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:29:04,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:29:04,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:29:04,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:29:04,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:29:04,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:29:04,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:29:04,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:29:04,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:29:04,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:29:04,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:29:04,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:29:04,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:29:04,262 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:29:04,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:29:04,262 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:29:04,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:29:04,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:29:04,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:29:04,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:29:04,550 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:29:04,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-01-27 23:29:05,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:29:05,916 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:29:05,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-01-27 23:29:05,932 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/885499fb9/a1c356bdd53e43bd8f5f0ce79e5f02b9/FLAG8aba84b9c [2024-01-27 23:29:05,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/885499fb9/a1c356bdd53e43bd8f5f0ce79e5f02b9 [2024-01-27 23:29:05,944 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:29:05,948 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:29:05,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_41-traces-ex-7_unknown_1_pos.yml/witness.yml [2024-01-27 23:29:06,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:29:06,072 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:29:06,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:29:06,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:29:06,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:29:06,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:29:05" (1/2) ... [2024-01-27 23:29:06,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6f9430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:06, skipping insertion in model container [2024-01-27 23:29:06,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:29:05" (1/2) ... [2024-01-27 23:29:06,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10deb567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:06, skipping insertion in model container [2024-01-27 23:29:06,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:29:06" (2/2) ... [2024-01-27 23:29:06,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6f9430 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06, skipping insertion in model container [2024-01-27 23:29:06,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:29:06" (2/2) ... [2024-01-27 23:29:06,086 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:29:06,138 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:29:06,139 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-27 23:29:06,139 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] 0 <= g [2024-01-27 23:29:06,140 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g == 0 || g == 17 [2024-01-27 23:29:06,140 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g % 17 == 0 [2024-01-27 23:29:06,140 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g <= 17 [2024-01-27 23:29:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g <= 127 [2024-01-27 23:29:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g <= 17 [2024-01-27 23:29:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] 0 <= g [2024-01-27 23:29:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g % 17 == 0 [2024-01-27 23:29:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g <= 127 [2024-01-27 23:29:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g == 0 || g == 17 [2024-01-27 23:29:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g % 17 == 0 [2024-01-27 23:29:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g == 0 || g == 17 [2024-01-27 23:29:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-27 23:29:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g <= 127 [2024-01-27 23:29:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] 0 <= g [2024-01-27 23:29:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g <= 17 [2024-01-27 23:29:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-27 23:29:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 127 [2024-01-27 23:29:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 0 || g == 17 [2024-01-27 23:29:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 127 [2024-01-27 23:29:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 17 [2024-01-27 23:29:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-27 23:29:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g % 17 == 0 [2024-01-27 23:29:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g % 17 == 0 [2024-01-27 23:29:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-27 23:29:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g % 17 == 0 [2024-01-27 23:29:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 17 [2024-01-27 23:29:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 127 [2024-01-27 23:29:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 0 || g == 17 [2024-01-27 23:29:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 0 || g == 17 [2024-01-27 23:29:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 17 [2024-01-27 23:29:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-27 23:29:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] g == 17 [2024-01-27 23:29:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g <= 127 [2024-01-27 23:29:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g == 0 || g == 17 [2024-01-27 23:29:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g % 17 == 0 [2024-01-27 23:29:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-27 23:29:06,146 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] 0 <= g [2024-01-27 23:29:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g <= 17 [2024-01-27 23:29:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g % 17 == 0 [2024-01-27 23:29:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g <= 17 [2024-01-27 23:29:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g <= 127 [2024-01-27 23:29:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] 0 <= g [2024-01-27 23:29:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g == 0 || g == 17 [2024-01-27 23:29:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] g == 0 [2024-01-27 23:29:06,148 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-27 23:29:06,148 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] g == 17 [2024-01-27 23:29:06,148 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-27 23:29:06,148 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g <= 127 [2024-01-27 23:29:06,148 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g % 17 == 0 [2024-01-27 23:29:06,149 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g <= 17 [2024-01-27 23:29:06,149 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] 0 <= g [2024-01-27 23:29:06,149 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g == 0 || g == 17 [2024-01-27 23:29:06,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:29:06,391 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2024-01-27 23:29:06,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:29:06,570 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:29:06,581 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2024-01-27 23:29:06,582 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:29:06,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:29:06,692 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:29:06,693 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06 WrapperNode [2024-01-27 23:29:06,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:29:06,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:29:06,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:29:06,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:29:06,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,748 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-01-27 23:29:06,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:29:06,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:29:06,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:29:06,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:29:06,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,784 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 5, 1, 5]. 38 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 0, 5]. The 1 writes are split as follows [0, 0, 1, 0]. [2024-01-27 23:29:06,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:29:06,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:29:06,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:29:06,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:29:06,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (1/1) ... [2024-01-27 23:29:06,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:29:06,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:29:06,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 23:29:06,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 23:29:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:29:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:29:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:29:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 23:29:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 23:29:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:29:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:29:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-27 23:29:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-27 23:29:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:29:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:29:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:29:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:29:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 23:29:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 23:29:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:29:06,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:29:06,888 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:29:06,977 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:29:06,979 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:29:07,171 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:29:07,171 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:29:07,293 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:29:07,293 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 23:29:07,293 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:29:07 BoogieIcfgContainer [2024-01-27 23:29:07,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:29:07,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:29:07,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:29:07,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:29:07,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:29:05" (1/4) ... [2024-01-27 23:29:07,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b5434e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:29:07, skipping insertion in model container [2024-01-27 23:29:07,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:29:06" (2/4) ... [2024-01-27 23:29:07,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b5434e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:29:07, skipping insertion in model container [2024-01-27 23:29:07,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:06" (3/4) ... [2024-01-27 23:29:07,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b5434e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:29:07, skipping insertion in model container [2024-01-27 23:29:07,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:29:07" (4/4) ... [2024-01-27 23:29:07,302 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-01-27 23:29:07,317 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:29:07,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2024-01-27 23:29:07,317 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:29:07,378 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-27 23:29:07,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 102 transitions, 208 flow [2024-01-27 23:29:07,433 INFO L124 PetriNetUnfolderBase]: 1/101 cut-off events. [2024-01-27 23:29:07,433 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:29:07,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 101 events. 1/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 206 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-01-27 23:29:07,437 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 102 transitions, 208 flow [2024-01-27 23:29:07,441 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 101 transitions, 205 flow [2024-01-27 23:29:07,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:29:07,453 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;@8bb29e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:29:07,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2024-01-27 23:29:07,455 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:29:07,455 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:29:07,455 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:29:07,455 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:29:07,456 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:29:07,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 23:29:07,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:29:07,460 INFO L85 PathProgramCache]: Analyzing trace with hash 8808, now seen corresponding path program 1 times [2024-01-27 23:29:07,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:29:07,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073687918] [2024-01-27 23:29:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:29:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:29:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:29:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:29:07,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:29:07,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073687918] [2024-01-27 23:29:07,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073687918] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:29:07,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:29:07,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:29:07,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253405810] [2024-01-27 23:29:07,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:29:07,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:29:07,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:29:07,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:29:07,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:29:07,895 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 102 [2024-01-27 23:29:07,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 205 flow. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:07,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:29:07,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 102 [2024-01-27 23:29:07,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:29:08,086 INFO L124 PetriNetUnfolderBase]: 156/600 cut-off events. [2024-01-27 23:29:08,087 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:29:08,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 600 events. 156/600 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3844 event pairs, 114 based on Foata normal form. 119/658 useless extension candidates. Maximal degree in co-relation 944. Up to 311 conditions per place. [2024-01-27 23:29:08,095 INFO L140 encePairwiseOnDemand]: 68/102 looper letters, 43 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-27 23:29:08,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 96 transitions, 285 flow [2024-01-27 23:29:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:29:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:29:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2024-01-27 23:29:08,111 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2024-01-27 23:29:08,113 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 205 flow. Second operand 3 states and 234 transitions. [2024-01-27 23:29:08,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 96 transitions, 285 flow [2024-01-27 23:29:08,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 96 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 23:29:08,122 INFO L231 Difference]: Finished difference. Result has 95 places, 89 transitions, 226 flow [2024-01-27 23:29:08,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=95, PETRI_TRANSITIONS=89} [2024-01-27 23:29:08,127 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -9 predicate places. [2024-01-27 23:29:08,127 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 89 transitions, 226 flow [2024-01-27 23:29:08,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:08,128 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:29:08,128 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 23:29:08,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 23:29:08,129 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 23:29:08,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:29:08,131 INFO L85 PathProgramCache]: Analyzing trace with hash 262789893, now seen corresponding path program 1 times [2024-01-27 23:29:08,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:29:08,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528345325] [2024-01-27 23:29:08,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:29:08,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:29:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:29:08,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:29:08,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:29:08,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528345325] [2024-01-27 23:29:08,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528345325] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:29:08,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:29:08,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:29:08,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382688819] [2024-01-27 23:29:08,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:29:08,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:29:08,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:29:08,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:29:08,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:29:08,312 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 102 [2024-01-27 23:29:08,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 89 transitions, 226 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:08,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:29:08,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 102 [2024-01-27 23:29:08,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:29:08,386 INFO L124 PetriNetUnfolderBase]: 49/335 cut-off events. [2024-01-27 23:29:08,386 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-01-27 23:29:08,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 335 events. 49/335 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1648 event pairs, 0 based on Foata normal form. 40/354 useless extension candidates. Maximal degree in co-relation 480. Up to 105 conditions per place. [2024-01-27 23:29:08,388 INFO L140 encePairwiseOnDemand]: 94/102 looper letters, 22 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-01-27 23:29:08,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 90 transitions, 276 flow [2024-01-27 23:29:08,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:29:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:29:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 342 transitions. [2024-01-27 23:29:08,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8382352941176471 [2024-01-27 23:29:08,390 INFO L175 Difference]: Start difference. First operand has 95 places, 89 transitions, 226 flow. Second operand 4 states and 342 transitions. [2024-01-27 23:29:08,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 90 transitions, 276 flow [2024-01-27 23:29:08,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 90 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:29:08,393 INFO L231 Difference]: Finished difference. Result has 90 places, 83 transitions, 214 flow [2024-01-27 23:29:08,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=214, PETRI_PLACES=90, PETRI_TRANSITIONS=83} [2024-01-27 23:29:08,394 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -14 predicate places. [2024-01-27 23:29:08,394 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 83 transitions, 214 flow [2024-01-27 23:29:08,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:08,394 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:29:08,394 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:29:08,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 23:29:08,395 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 23:29:08,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:29:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1206681078, now seen corresponding path program 1 times [2024-01-27 23:29:08,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:29:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450903637] [2024-01-27 23:29:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:29:08,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:29:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:29:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:29:08,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:29:08,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450903637] [2024-01-27 23:29:08,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450903637] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:29:08,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:29:08,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 23:29:08,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367977981] [2024-01-27 23:29:08,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:29:08,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:29:08,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:29:08,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:29:08,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:29:08,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 102 [2024-01-27 23:29:08,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 83 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:08,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:29:08,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 102 [2024-01-27 23:29:08,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:29:08,568 INFO L124 PetriNetUnfolderBase]: 56/249 cut-off events. [2024-01-27 23:29:08,568 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2024-01-27 23:29:08,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 249 events. 56/249 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1095 event pairs, 14 based on Foata normal form. 120/361 useless extension candidates. Maximal degree in co-relation 382. Up to 90 conditions per place. [2024-01-27 23:29:08,569 INFO L140 encePairwiseOnDemand]: 79/102 looper letters, 20 selfloop transitions, 1 changer transitions 8/68 dead transitions. [2024-01-27 23:29:08,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 68 transitions, 194 flow [2024-01-27 23:29:08,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:29:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:29:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2024-01-27 23:29:08,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6535947712418301 [2024-01-27 23:29:08,572 INFO L175 Difference]: Start difference. First operand has 90 places, 83 transitions, 214 flow. Second operand 3 states and 200 transitions. [2024-01-27 23:29:08,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 68 transitions, 194 flow [2024-01-27 23:29:08,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 68 transitions, 189 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-27 23:29:08,589 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 115 flow [2024-01-27 23:29:08,589 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2024-01-27 23:29:08,590 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -37 predicate places. [2024-01-27 23:29:08,591 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 115 flow [2024-01-27 23:29:08,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:08,591 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:29:08,591 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:29:08,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 23:29:08,592 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 23:29:08,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:29:08,592 INFO L85 PathProgramCache]: Analyzing trace with hash 2137343101, now seen corresponding path program 1 times [2024-01-27 23:29:08,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:29:08,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790590336] [2024-01-27 23:29:08,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:29:08,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:29:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:29:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:29:08,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:29:08,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790590336] [2024-01-27 23:29:08,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790590336] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:29:08,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:29:08,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:29:08,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088906832] [2024-01-27 23:29:08,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:29:08,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:29:08,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:29:08,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:29:08,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:29:08,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 102 [2024-01-27 23:29:08,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 115 flow. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:08,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:29:08,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 102 [2024-01-27 23:29:08,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:29:08,901 INFO L124 PetriNetUnfolderBase]: 58/235 cut-off events. [2024-01-27 23:29:08,902 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-01-27 23:29:08,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 235 events. 58/235 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 971 event pairs, 18 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 372. Up to 77 conditions per place. [2024-01-27 23:29:08,905 INFO L140 encePairwiseOnDemand]: 97/102 looper letters, 19 selfloop transitions, 2 changer transitions 12/70 dead transitions. [2024-01-27 23:29:08,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 70 transitions, 213 flow [2024-01-27 23:29:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 23:29:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 23:29:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 285 transitions. [2024-01-27 23:29:08,909 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2024-01-27 23:29:08,909 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 115 flow. Second operand 5 states and 285 transitions. [2024-01-27 23:29:08,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 70 transitions, 213 flow [2024-01-27 23:29:08,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 70 transitions, 211 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 23:29:08,911 INFO L231 Difference]: Finished difference. Result has 67 places, 54 transitions, 124 flow [2024-01-27 23:29:08,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=124, PETRI_PLACES=67, PETRI_TRANSITIONS=54} [2024-01-27 23:29:08,912 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -37 predicate places. [2024-01-27 23:29:08,912 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 54 transitions, 124 flow [2024-01-27 23:29:08,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:08,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:29:08,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:29:08,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 23:29:08,913 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 23:29:08,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:29:08,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1019762041, now seen corresponding path program 1 times [2024-01-27 23:29:08,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:29:08,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199861855] [2024-01-27 23:29:08,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:29:08,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:29:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:29:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:29:09,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:29:09,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199861855] [2024-01-27 23:29:09,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199861855] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:29:09,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:29:09,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:29:09,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572840997] [2024-01-27 23:29:09,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:29:09,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:29:09,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:29:09,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:29:09,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:29:09,042 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 102 [2024-01-27 23:29:09,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 54 transitions, 124 flow. Second operand has 4 states, 4 states have (on average 87.75) internal successors, (351), 4 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:09,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:29:09,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 102 [2024-01-27 23:29:09,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:29:09,073 INFO L124 PetriNetUnfolderBase]: 13/159 cut-off events. [2024-01-27 23:29:09,073 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-01-27 23:29:09,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 159 events. 13/159 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 376 event pairs, 5 based on Foata normal form. 6/163 useless extension candidates. Maximal degree in co-relation 218. Up to 27 conditions per place. [2024-01-27 23:29:09,074 INFO L140 encePairwiseOnDemand]: 97/102 looper letters, 12 selfloop transitions, 5 changer transitions 0/57 dead transitions. [2024-01-27 23:29:09,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 57 transitions, 166 flow [2024-01-27 23:29:09,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:29:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:29:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 359 transitions. [2024-01-27 23:29:09,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8799019607843137 [2024-01-27 23:29:09,076 INFO L175 Difference]: Start difference. First operand has 67 places, 54 transitions, 124 flow. Second operand 4 states and 359 transitions. [2024-01-27 23:29:09,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 57 transitions, 166 flow [2024-01-27 23:29:09,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 57 transitions, 158 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-01-27 23:29:09,077 INFO L231 Difference]: Finished difference. Result has 63 places, 54 transitions, 126 flow [2024-01-27 23:29:09,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=126, PETRI_PLACES=63, PETRI_TRANSITIONS=54} [2024-01-27 23:29:09,078 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -41 predicate places. [2024-01-27 23:29:09,078 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 54 transitions, 126 flow [2024-01-27 23:29:09,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.75) internal successors, (351), 4 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:09,079 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:29:09,079 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:29:09,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 23:29:09,079 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 23:29:09,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:29:09,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1099164685, now seen corresponding path program 2 times [2024-01-27 23:29:09,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:29:09,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581750190] [2024-01-27 23:29:09,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:29:09,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:29:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:29:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:29:09,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:29:09,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581750190] [2024-01-27 23:29:09,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581750190] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:29:09,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:29:09,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 23:29:09,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890500767] [2024-01-27 23:29:09,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:29:09,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-27 23:29:09,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:29:09,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-27 23:29:09,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-01-27 23:29:09,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 102 [2024-01-27 23:29:09,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 54 transitions, 126 flow. Second operand has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:09,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:29:09,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 102 [2024-01-27 23:29:09,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:29:09,306 INFO L124 PetriNetUnfolderBase]: 10/129 cut-off events. [2024-01-27 23:29:09,306 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-01-27 23:29:09,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 129 events. 10/129 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 214 event pairs, 5 based on Foata normal form. 1/126 useless extension candidates. Maximal degree in co-relation 179. Up to 20 conditions per place. [2024-01-27 23:29:09,306 INFO L140 encePairwiseOnDemand]: 98/102 looper letters, 12 selfloop transitions, 4 changer transitions 1/57 dead transitions. [2024-01-27 23:29:09,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 57 transitions, 168 flow [2024-01-27 23:29:09,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:29:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:29:09,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 358 transitions. [2024-01-27 23:29:09,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8774509803921569 [2024-01-27 23:29:09,308 INFO L175 Difference]: Start difference. First operand has 63 places, 54 transitions, 126 flow. Second operand 4 states and 358 transitions. [2024-01-27 23:29:09,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 57 transitions, 168 flow [2024-01-27 23:29:09,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 57 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:29:09,309 INFO L231 Difference]: Finished difference. Result has 64 places, 54 transitions, 129 flow [2024-01-27 23:29:09,309 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=64, PETRI_TRANSITIONS=54} [2024-01-27 23:29:09,309 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -40 predicate places. [2024-01-27 23:29:09,310 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 54 transitions, 129 flow [2024-01-27 23:29:09,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:09,310 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:29:09,310 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:29:09,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 23:29:09,310 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 23:29:09,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:29:09,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2113212024, now seen corresponding path program 1 times [2024-01-27 23:29:09,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:29:09,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630885116] [2024-01-27 23:29:09,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:29:09,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:29:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:29:09,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 23:29:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:29:09,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 23:29:09,385 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 23:29:09,386 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (58 of 59 remaining) [2024-01-27 23:29:09,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 59 remaining) [2024-01-27 23:29:09,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 59 remaining) [2024-01-27 23:29:09,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 59 remaining) [2024-01-27 23:29:09,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 59 remaining) [2024-01-27 23:29:09,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 59 remaining) [2024-01-27 23:29:09,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 59 remaining) [2024-01-27 23:29:09,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 59 remaining) [2024-01-27 23:29:09,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 59 remaining) [2024-01-27 23:29:09,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 59 remaining) [2024-01-27 23:29:09,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 59 remaining) [2024-01-27 23:29:09,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 59 remaining) [2024-01-27 23:29:09,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 59 remaining) [2024-01-27 23:29:09,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 59 remaining) [2024-01-27 23:29:09,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 59 remaining) [2024-01-27 23:29:09,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 59 remaining) [2024-01-27 23:29:09,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 59 remaining) [2024-01-27 23:29:09,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 59 remaining) [2024-01-27 23:29:09,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 59 remaining) [2024-01-27 23:29:09,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 59 remaining) [2024-01-27 23:29:09,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 59 remaining) [2024-01-27 23:29:09,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 59 remaining) [2024-01-27 23:29:09,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 59 remaining) [2024-01-27 23:29:09,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 59 remaining) [2024-01-27 23:29:09,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 59 remaining) [2024-01-27 23:29:09,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 59 remaining) [2024-01-27 23:29:09,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 59 remaining) [2024-01-27 23:29:09,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 59 remaining) [2024-01-27 23:29:09,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 59 remaining) [2024-01-27 23:29:09,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 59 remaining) [2024-01-27 23:29:09,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 59 remaining) [2024-01-27 23:29:09,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 59 remaining) [2024-01-27 23:29:09,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 59 remaining) [2024-01-27 23:29:09,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 59 remaining) [2024-01-27 23:29:09,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 59 remaining) [2024-01-27 23:29:09,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 59 remaining) [2024-01-27 23:29:09,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 59 remaining) [2024-01-27 23:29:09,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 59 remaining) [2024-01-27 23:29:09,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 59 remaining) [2024-01-27 23:29:09,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 59 remaining) [2024-01-27 23:29:09,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 59 remaining) [2024-01-27 23:29:09,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 59 remaining) [2024-01-27 23:29:09,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 59 remaining) [2024-01-27 23:29:09,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 59 remaining) [2024-01-27 23:29:09,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 59 remaining) [2024-01-27 23:29:09,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 59 remaining) [2024-01-27 23:29:09,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 59 remaining) [2024-01-27 23:29:09,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 59 remaining) [2024-01-27 23:29:09,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 59 remaining) [2024-01-27 23:29:09,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 59 remaining) [2024-01-27 23:29:09,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 59 remaining) [2024-01-27 23:29:09,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 59 remaining) [2024-01-27 23:29:09,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 59 remaining) [2024-01-27 23:29:09,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 59 remaining) [2024-01-27 23:29:09,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 59 remaining) [2024-01-27 23:29:09,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 59 remaining) [2024-01-27 23:29:09,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 59 remaining) [2024-01-27 23:29:09,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 59 remaining) [2024-01-27 23:29:09,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 59 remaining) [2024-01-27 23:29:09,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 23:29:09,401 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-01-27 23:29:09,406 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 23:29:09,407 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 23:29:09,448 INFO L503 ceAbstractionStarter]: Automizer considered 39 witness invariants [2024-01-27 23:29:09,448 INFO L504 ceAbstractionStarter]: WitnessConsidered=39 [2024-01-27 23:29:09,448 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 11:29:09 BasicIcfg [2024-01-27 23:29:09,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 23:29:09,449 INFO L158 Benchmark]: Toolchain (without parser) took 3376.70ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 72.3MB in the beginning and 125.4MB in the end (delta: -53.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-01-27 23:29:09,449 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:29:09,449 INFO L158 Benchmark]: Witness Parser took 0.93ms. Allocated memory is still 151.0MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:29:09,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.66ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 72.1MB in the beginning and 175.7MB in the end (delta: -103.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-01-27 23:29:09,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.02ms. Allocated memory is still 216.0MB. Free memory was 175.7MB in the beginning and 173.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 23:29:09,450 INFO L158 Benchmark]: Boogie Preprocessor took 61.95ms. Allocated memory is still 216.0MB. Free memory was 173.6MB in the beginning and 171.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 23:29:09,450 INFO L158 Benchmark]: RCFGBuilder took 481.58ms. Allocated memory is still 216.0MB. Free memory was 171.5MB in the beginning and 141.1MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-01-27 23:29:09,451 INFO L158 Benchmark]: TraceAbstraction took 2153.49ms. Allocated memory is still 216.0MB. Free memory was 141.1MB in the beginning and 125.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-01-27 23:29:09,452 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.93ms. Allocated memory is still 151.0MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.66ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 72.1MB in the beginning and 175.7MB in the end (delta: -103.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.02ms. Allocated memory is still 216.0MB. Free memory was 175.7MB in the beginning and 173.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.95ms. Allocated memory is still 216.0MB. Free memory was 173.6MB in the beginning and 171.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.58ms. Allocated memory is still 216.0MB. Free memory was 171.5MB in the beginning and 141.1MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2153.49ms. Allocated memory is still 216.0MB. Free memory was 141.1MB in the beginning and 125.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]]]] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L685] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=0] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]] [L687] 1 g = 17 VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17] [L688] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17] [L688] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17] [L689] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17] [L689] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]] [L698] CALL 0 __VERIFIER_assert(g == 0) [L19] COND TRUE 0 !(cond) VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, arg={0:0}, cond=0, g=17] [L19] 0 reach_error() VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, arg={0:0}, cond=0, g=17] - UnprovableResult [Line: 694]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 149 locations, 59 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 539 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 458 IncrementalHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 85 mSDtfsCounter, 458 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=1, InterpolantAutomatonStates: 23, 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, 0.7s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 578 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-27 23:29:09,491 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