./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_18-first-reads_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_18-first-reads_unknown_1_neg.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a340643-m [2024-01-27 14:59:24,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:59:24,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:59:24,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:59:24,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:59:24,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:59:24,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:59:24,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:59:24,158 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:59:24,158 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:59:24,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:59:24,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:59:24,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:59:24,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:59:24,159 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:59:24,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:59:24,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:59:24,165 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:59:24,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:59:24,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:59:24,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:59:24,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:59:24,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:59:24,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:59:24,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:59:24,167 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:59:24,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:59:24,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:59:24,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:59:24,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:59:24,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:59:24,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:59:24,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:24,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:59:24,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:59:24,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:59:24,170 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:59:24,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:59:24,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:59:24,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:59:24,172 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:59:24,172 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:59:24,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:59:24,172 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:59:24,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:59:24,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:59:24,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:59:24,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:59:24,366 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:59:24,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-01-27 14:59:25,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:59:25,574 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:59:25,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-01-27 14:59:25,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd62494c6/7cb0ae0cb2bc4da3a77e6d0a5591f37d/FLAG949126ca6 [2024-01-27 14:59:25,610 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd62494c6/7cb0ae0cb2bc4da3a77e6d0a5591f37d [2024-01-27 14:59:25,612 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:59:25,618 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:59:25,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_18-first-reads_unknown_1_neg.yml/witness.yml [2024-01-27 14:59:25,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:59:25,715 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:59:25,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:25,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:59:25,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:59:25,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:25" (1/2) ... [2024-01-27 14:59:25,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7851138d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:25, skipping insertion in model container [2024-01-27 14:59:25,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:25" (1/2) ... [2024-01-27 14:59:25,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1539d2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:25, skipping insertion in model container [2024-01-27 14:59:25,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:25" (2/2) ... [2024-01-27 14:59:25,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7851138d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:25, skipping insertion in model container [2024-01-27 14:59:25,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:25" (2/2) ... [2024-01-27 14:59:25,724 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:59:25,767 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:59:25,768 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 == 0 [2024-01-27 14:59:25,769 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] t == 0 || t == 1 [2024-01-27 14:59:25,769 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] 0 <= t [2024-01-27 14:59:25,769 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] t <= 1 [2024-01-27 14:59:25,769 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] glob1 == 0 [2024-01-27 14:59:25,770 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-27 14:59:25,770 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-27 14:59:25,770 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L689] (unsigned long )arg == 0UL [2024-01-27 14:59:25,770 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L689] glob1 == 0 [2024-01-27 14:59:25,770 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 == 0 || glob1 == 1 [2024-01-27 14:59:25,770 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] 0 <= glob1 [2024-01-27 14:59:25,770 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] t == 0 || t == 1 [2024-01-27 14:59:25,770 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 <= 1 [2024-01-27 14:59:25,771 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (unsigned long )arg == 0UL [2024-01-27 14:59:25,771 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] 0 <= t [2024-01-27 14:59:25,771 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] t <= 1 [2024-01-27 14:59:25,771 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-27 14:59:25,771 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] t == 42 [2024-01-27 14:59:25,771 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] glob1 == 0 [2024-01-27 14:59:25,771 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-27 14:59:25,771 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] glob1 == 0 [2024-01-27 14:59:25,772 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 <= 1 [2024-01-27 14:59:25,772 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] 0 <= glob1 [2024-01-27 14:59:25,772 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-27 14:59:25,772 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 == 0 || glob1 == 1 [2024-01-27 14:59:25,772 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= glob1 [2024-01-27 14:59:25,773 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 1 [2024-01-27 14:59:25,773 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 1 [2024-01-27 14:59:25,773 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 || glob1 == 1 [2024-01-27 14:59:25,773 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 || glob1 == 1 [2024-01-27 14:59:25,773 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= glob1 [2024-01-27 14:59:25,773 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= glob1 [2024-01-27 14:59:25,773 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 1 [2024-01-27 14:59:25,773 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 || glob1 == 1 [2024-01-27 14:59:25,774 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] t <= 1 [2024-01-27 14:59:25,774 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] 0 <= t [2024-01-27 14:59:25,774 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] (unsigned long )arg == 0UL [2024-01-27 14:59:25,774 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] t == 0 || t == 1 [2024-01-27 14:59:25,775 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] t <= 1 [2024-01-27 14:59:25,775 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-27 14:59:25,775 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 == 0 || glob1 == 1 [2024-01-27 14:59:25,775 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] t == 0 || t == 1 [2024-01-27 14:59:25,775 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 <= 1 [2024-01-27 14:59:25,775 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] 0 <= t [2024-01-27 14:59:25,776 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] 0 <= glob1 [2024-01-27 14:59:25,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:59:25,955 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_18-first-reads_unknown_1_neg.i[1097,1110] [2024-01-27 14:59:26,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:26,076 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:59:26,085 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_18-first-reads_unknown_1_neg.i[1097,1110] [2024-01-27 14:59:26,086 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 [2024-01-27 14:59:26,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:26,171 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:59:26,172 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26 WrapperNode [2024-01-27 14:59:26,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:26,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:26,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:59:26,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:59:26,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,230 INFO L138 Inliner]: procedures = 164, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2024-01-27 14:59:26,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:26,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:59:26,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:59:26,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:59:26,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,247 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,264 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-01-27 14:59:26,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:59:26,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:59:26,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:59:26,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:59:26,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (1/1) ... [2024-01-27 14:59:26,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:26,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:59:26,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 14:59:26,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 14:59:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:59:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:59:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:59:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:59:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:59:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:59:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 14:59:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:59:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:59:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-27 14:59:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-27 14:59:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:59:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:59:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:59:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:59:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 14:59:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:59:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:59:26,344 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:59:26,471 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:59:26,473 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:59:26,690 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:59:26,690 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:59:26,754 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:59:26,754 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 14:59:26,754 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:26 BoogieIcfgContainer [2024-01-27 14:59:26,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:59:26,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:59:26,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:59:26,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:59:26,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:59:25" (1/4) ... [2024-01-27 14:59:26,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cad29c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:59:26, skipping insertion in model container [2024-01-27 14:59:26,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:25" (2/4) ... [2024-01-27 14:59:26,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cad29c2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:59:26, skipping insertion in model container [2024-01-27 14:59:26,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:26" (3/4) ... [2024-01-27 14:59:26,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cad29c2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:59:26, skipping insertion in model container [2024-01-27 14:59:26,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:26" (4/4) ... [2024-01-27 14:59:26,761 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2024-01-27 14:59:26,773 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:59:26,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2024-01-27 14:59:26,774 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:59:26,836 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-27 14:59:26,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 94 transitions, 195 flow [2024-01-27 14:59:26,905 INFO L124 PetriNetUnfolderBase]: 2/93 cut-off events. [2024-01-27 14:59:26,905 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 14:59:26,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 93 events. 2/93 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2024-01-27 14:59:26,908 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 94 transitions, 195 flow [2024-01-27 14:59:26,912 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 91 transitions, 185 flow [2024-01-27 14:59:26,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:59:26,929 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;@5792df89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:59:26,929 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2024-01-27 14:59:26,933 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:59:26,934 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:59:26,934 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:26,934 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:26,935 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:59:26,936 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 70 more)] === [2024-01-27 14:59:26,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:26,940 INFO L85 PathProgramCache]: Analyzing trace with hash 8684, now seen corresponding path program 1 times [2024-01-27 14:59:26,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:26,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560446533] [2024-01-27 14:59:26,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:27,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:27,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560446533] [2024-01-27 14:59:27,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560446533] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:27,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:27,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:59:27,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682386978] [2024-01-27 14:59:27,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:27,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:27,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:27,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:27,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:27,202 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 94 [2024-01-27 14:59:27,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 91 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:27,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:27,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 94 [2024-01-27 14:59:27,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:27,360 INFO L124 PetriNetUnfolderBase]: 131/575 cut-off events. [2024-01-27 14:59:27,360 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:27,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 575 events. 131/575 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3357 event pairs, 67 based on Foata normal form. 44/476 useless extension candidates. Maximal degree in co-relation 899. Up to 175 conditions per place. [2024-01-27 14:59:27,367 INFO L140 encePairwiseOnDemand]: 75/94 looper letters, 35 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2024-01-27 14:59:27,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 95 transitions, 271 flow [2024-01-27 14:59:27,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:27,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2024-01-27 14:59:27,378 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8014184397163121 [2024-01-27 14:59:27,379 INFO L175 Difference]: Start difference. First operand has 93 places, 91 transitions, 185 flow. Second operand 3 states and 226 transitions. [2024-01-27 14:59:27,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 95 transitions, 271 flow [2024-01-27 14:59:27,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 95 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:27,384 INFO L231 Difference]: Finished difference. Result has 92 places, 88 transitions, 218 flow [2024-01-27 14:59:27,386 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=92, PETRI_TRANSITIONS=88} [2024-01-27 14:59:27,388 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -1 predicate places. [2024-01-27 14:59:27,389 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 88 transitions, 218 flow [2024-01-27 14:59:27,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:27,391 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:27,391 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 14:59:27,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:59:27,391 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 70 more)] === [2024-01-27 14:59:27,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:27,392 INFO L85 PathProgramCache]: Analyzing trace with hash 259105612, now seen corresponding path program 1 times [2024-01-27 14:59:27,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:27,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504138876] [2024-01-27 14:59:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:27,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:27,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:27,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504138876] [2024-01-27 14:59:27,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504138876] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:27,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:27,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:59:27,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880748381] [2024-01-27 14:59:27,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:27,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:27,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:27,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:27,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:27,602 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 94 [2024-01-27 14:59:27,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 88 transitions, 218 flow. Second operand has 4 states, 4 states have (on average 66.25) internal successors, (265), 4 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:27,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:27,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 94 [2024-01-27 14:59:27,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:27,695 INFO L124 PetriNetUnfolderBase]: 73/646 cut-off events. [2024-01-27 14:59:27,695 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2024-01-27 14:59:27,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 943 conditions, 646 events. 73/646 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4119 event pairs, 10 based on Foata normal form. 60/588 useless extension candidates. Maximal degree in co-relation 929. Up to 154 conditions per place. [2024-01-27 14:59:27,699 INFO L140 encePairwiseOnDemand]: 83/94 looper letters, 20 selfloop transitions, 2 changer transitions 0/83 dead transitions. [2024-01-27 14:59:27,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 83 transitions, 252 flow [2024-01-27 14:59:27,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:59:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:59:27,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 290 transitions. [2024-01-27 14:59:27,703 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7712765957446809 [2024-01-27 14:59:27,703 INFO L175 Difference]: Start difference. First operand has 92 places, 88 transitions, 218 flow. Second operand 4 states and 290 transitions. [2024-01-27 14:59:27,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 83 transitions, 252 flow [2024-01-27 14:59:27,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 83 transitions, 244 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:27,707 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 196 flow [2024-01-27 14:59:27,707 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=196, PETRI_PLACES=84, PETRI_TRANSITIONS=79} [2024-01-27 14:59:27,708 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -9 predicate places. [2024-01-27 14:59:27,708 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 196 flow [2024-01-27 14:59:27,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.25) internal successors, (265), 4 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:27,709 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:27,709 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:27,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:59:27,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 70 more)] === [2024-01-27 14:59:27,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:27,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1637831660, now seen corresponding path program 1 times [2024-01-27 14:59:27,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:27,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666078107] [2024-01-27 14:59:27,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:27,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:27,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:27,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666078107] [2024-01-27 14:59:27,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666078107] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:27,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:27,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:27,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169194395] [2024-01-27 14:59:27,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:27,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:27,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:27,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:27,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:27,761 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 94 [2024-01-27 14:59:27,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:27,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:27,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 94 [2024-01-27 14:59:27,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:27,856 INFO L124 PetriNetUnfolderBase]: 143/635 cut-off events. [2024-01-27 14:59:27,856 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-01-27 14:59:27,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 635 events. 143/635 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3706 event pairs, 118 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 1069. Up to 288 conditions per place. [2024-01-27 14:59:27,860 INFO L140 encePairwiseOnDemand]: 91/94 looper letters, 33 selfloop transitions, 2 changer transitions 0/83 dead transitions. [2024-01-27 14:59:27,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 83 transitions, 274 flow [2024-01-27 14:59:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:27,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-01-27 14:59:27,861 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7730496453900709 [2024-01-27 14:59:27,861 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 196 flow. Second operand 3 states and 218 transitions. [2024-01-27 14:59:27,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 83 transitions, 274 flow [2024-01-27 14:59:27,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 83 transitions, 271 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:27,865 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 201 flow [2024-01-27 14:59:27,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=201, PETRI_PLACES=84, PETRI_TRANSITIONS=79} [2024-01-27 14:59:27,866 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -9 predicate places. [2024-01-27 14:59:27,866 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 201 flow [2024-01-27 14:59:27,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:27,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:27,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:27,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:59:27,867 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 70 more)] === [2024-01-27 14:59:27,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:27,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1998183826, now seen corresponding path program 1 times [2024-01-27 14:59:27,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:27,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128674935] [2024-01-27 14:59:27,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:27,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:27,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:27,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128674935] [2024-01-27 14:59:27,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128674935] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:27,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:27,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:27,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630175100] [2024-01-27 14:59:27,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:27,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:27,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:27,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:27,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:27,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 94 [2024-01-27 14:59:27,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 201 flow. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:27,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:27,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 94 [2024-01-27 14:59:27,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:27,999 INFO L124 PetriNetUnfolderBase]: 77/395 cut-off events. [2024-01-27 14:59:27,999 INFO L125 PetriNetUnfolderBase]: For 89/99 co-relation queries the response was YES. [2024-01-27 14:59:27,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 634 conditions, 395 events. 77/395 cut-off events. For 89/99 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2067 event pairs, 55 based on Foata normal form. 54/370 useless extension candidates. Maximal degree in co-relation 620. Up to 140 conditions per place. [2024-01-27 14:59:28,001 INFO L140 encePairwiseOnDemand]: 82/94 looper letters, 26 selfloop transitions, 2 changer transitions 0/75 dead transitions. [2024-01-27 14:59:28,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 75 transitions, 229 flow [2024-01-27 14:59:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2024-01-27 14:59:28,002 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7943262411347518 [2024-01-27 14:59:28,002 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 201 flow. Second operand 3 states and 224 transitions. [2024-01-27 14:59:28,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 75 transitions, 229 flow [2024-01-27 14:59:28,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 75 transitions, 227 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:28,003 INFO L231 Difference]: Finished difference. Result has 76 places, 69 transitions, 163 flow [2024-01-27 14:59:28,003 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=76, PETRI_TRANSITIONS=69} [2024-01-27 14:59:28,004 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -17 predicate places. [2024-01-27 14:59:28,004 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 69 transitions, 163 flow [2024-01-27 14:59:28,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:28,004 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:28,005 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:28,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:59:28,005 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 70 more)] === [2024-01-27 14:59:28,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:28,005 INFO L85 PathProgramCache]: Analyzing trace with hash 542414041, now seen corresponding path program 1 times [2024-01-27 14:59:28,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:28,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966404130] [2024-01-27 14:59:28,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:28,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:28,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:28,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966404130] [2024-01-27 14:59:28,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966404130] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:28,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:28,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:28,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010355273] [2024-01-27 14:59:28,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:28,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:28,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:28,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:28,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:28,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 94 [2024-01-27 14:59:28,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 69 transitions, 163 flow. Second operand has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:28,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:28,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 94 [2024-01-27 14:59:28,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:28,216 INFO L124 PetriNetUnfolderBase]: 164/705 cut-off events. [2024-01-27 14:59:28,216 INFO L125 PetriNetUnfolderBase]: For 83/85 co-relation queries the response was YES. [2024-01-27 14:59:28,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1189 conditions, 705 events. 164/705 cut-off events. For 83/85 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3916 event pairs, 89 based on Foata normal form. 60/727 useless extension candidates. Maximal degree in co-relation 1175. Up to 194 conditions per place. [2024-01-27 14:59:28,218 INFO L140 encePairwiseOnDemand]: 78/94 looper letters, 42 selfloop transitions, 4 changer transitions 5/83 dead transitions. [2024-01-27 14:59:28,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 83 transitions, 295 flow [2024-01-27 14:59:28,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:59:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:59:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 235 transitions. [2024-01-27 14:59:28,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-01-27 14:59:28,220 INFO L175 Difference]: Start difference. First operand has 76 places, 69 transitions, 163 flow. Second operand 4 states and 235 transitions. [2024-01-27 14:59:28,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 83 transitions, 295 flow [2024-01-27 14:59:28,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 83 transitions, 293 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:28,221 INFO L231 Difference]: Finished difference. Result has 79 places, 68 transitions, 190 flow [2024-01-27 14:59:28,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=190, PETRI_PLACES=79, PETRI_TRANSITIONS=68} [2024-01-27 14:59:28,222 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -14 predicate places. [2024-01-27 14:59:28,222 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 68 transitions, 190 flow [2024-01-27 14:59:28,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:28,222 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:28,222 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:28,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:59:28,222 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 70 more)] === [2024-01-27 14:59:28,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:28,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1609825469, now seen corresponding path program 1 times [2024-01-27 14:59:28,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:28,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670249725] [2024-01-27 14:59:28,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:28,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:28,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:28,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670249725] [2024-01-27 14:59:28,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670249725] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:28,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:28,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:59:28,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460750273] [2024-01-27 14:59:28,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:28,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:28,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:28,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:28,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:28,283 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 94 [2024-01-27 14:59:28,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 68 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:28,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:28,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 94 [2024-01-27 14:59:28,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:28,319 INFO L124 PetriNetUnfolderBase]: 29/332 cut-off events. [2024-01-27 14:59:28,319 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-01-27 14:59:28,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 332 events. 29/332 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1531 event pairs, 9 based on Foata normal form. 10/332 useless extension candidates. Maximal degree in co-relation 493. Up to 60 conditions per place. [2024-01-27 14:59:28,320 INFO L140 encePairwiseOnDemand]: 90/94 looper letters, 15 selfloop transitions, 4 changer transitions 2/71 dead transitions. [2024-01-27 14:59:28,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 71 transitions, 236 flow [2024-01-27 14:59:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2024-01-27 14:59:28,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.875886524822695 [2024-01-27 14:59:28,321 INFO L175 Difference]: Start difference. First operand has 79 places, 68 transitions, 190 flow. Second operand 3 states and 247 transitions. [2024-01-27 14:59:28,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 71 transitions, 236 flow [2024-01-27 14:59:28,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 71 transitions, 213 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-01-27 14:59:28,323 INFO L231 Difference]: Finished difference. Result has 77 places, 66 transitions, 169 flow [2024-01-27 14:59:28,323 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=77, PETRI_TRANSITIONS=66} [2024-01-27 14:59:28,324 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -16 predicate places. [2024-01-27 14:59:28,324 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 66 transitions, 169 flow [2024-01-27 14:59:28,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:28,324 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:28,324 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] [2024-01-27 14:59:28,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 14:59:28,324 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 70 more)] === [2024-01-27 14:59:28,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:28,325 INFO L85 PathProgramCache]: Analyzing trace with hash -352987537, now seen corresponding path program 1 times [2024-01-27 14:59:28,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:28,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750679637] [2024-01-27 14:59:28,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:28,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:28,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:28,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:28,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750679637] [2024-01-27 14:59:28,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750679637] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:28,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:28,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:59:28,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477240549] [2024-01-27 14:59:28,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:28,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:28,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:28,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:28,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:28,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 94 [2024-01-27 14:59:28,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 66 transitions, 169 flow. Second operand has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:28,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:28,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 94 [2024-01-27 14:59:28,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:28,476 INFO L124 PetriNetUnfolderBase]: 36/263 cut-off events. [2024-01-27 14:59:28,476 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-01-27 14:59:28,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 263 events. 36/263 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 955 event pairs, 21 based on Foata normal form. 50/297 useless extension candidates. Maximal degree in co-relation 408. Up to 68 conditions per place. [2024-01-27 14:59:28,477 INFO L140 encePairwiseOnDemand]: 79/94 looper letters, 21 selfloop transitions, 2 changer transitions 24/65 dead transitions. [2024-01-27 14:59:28,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 65 transitions, 225 flow [2024-01-27 14:59:28,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:59:28,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:59:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 285 transitions. [2024-01-27 14:59:28,478 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6063829787234043 [2024-01-27 14:59:28,478 INFO L175 Difference]: Start difference. First operand has 77 places, 66 transitions, 169 flow. Second operand 5 states and 285 transitions. [2024-01-27 14:59:28,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 65 transitions, 225 flow [2024-01-27 14:59:28,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 65 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:28,479 INFO L231 Difference]: Finished difference. Result has 66 places, 36 transitions, 93 flow [2024-01-27 14:59:28,479 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=93, PETRI_PLACES=66, PETRI_TRANSITIONS=36} [2024-01-27 14:59:28,480 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -27 predicate places. [2024-01-27 14:59:28,480 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 36 transitions, 93 flow [2024-01-27 14:59:28,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:28,480 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:28,480 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] [2024-01-27 14:59:28,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 14:59:28,480 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 70 more)] === [2024-01-27 14:59:28,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:28,481 INFO L85 PathProgramCache]: Analyzing trace with hash 322047283, now seen corresponding path program 1 times [2024-01-27 14:59:28,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:28,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813557510] [2024-01-27 14:59:28,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:28,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:28,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:59:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:28,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:59:28,516 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:59:28,517 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr18ASSERT_VIOLATIONERROR_FUNCTION (72 of 73 remaining) [2024-01-27 14:59:28,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 73 remaining) [2024-01-27 14:59:28,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 73 remaining) [2024-01-27 14:59:28,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (69 of 73 remaining) [2024-01-27 14:59:28,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 73 remaining) [2024-01-27 14:59:28,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 73 remaining) [2024-01-27 14:59:28,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 73 remaining) [2024-01-27 14:59:28,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 73 remaining) [2024-01-27 14:59:28,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 73 remaining) [2024-01-27 14:59:28,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 73 remaining) [2024-01-27 14:59:28,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 73 remaining) [2024-01-27 14:59:28,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 73 remaining) [2024-01-27 14:59:28,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 73 remaining) [2024-01-27 14:59:28,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 73 remaining) [2024-01-27 14:59:28,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 73 remaining) [2024-01-27 14:59:28,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 73 remaining) [2024-01-27 14:59:28,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 73 remaining) [2024-01-27 14:59:28,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 73 remaining) [2024-01-27 14:59:28,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 73 remaining) [2024-01-27 14:59:28,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 73 remaining) [2024-01-27 14:59:28,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 73 remaining) [2024-01-27 14:59:28,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 73 remaining) [2024-01-27 14:59:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONERROR_FUNCTION (50 of 73 remaining) [2024-01-27 14:59:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 73 remaining) [2024-01-27 14:59:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 73 remaining) [2024-01-27 14:59:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 73 remaining) [2024-01-27 14:59:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 73 remaining) [2024-01-27 14:59:28,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 73 remaining) [2024-01-27 14:59:28,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 73 remaining) [2024-01-27 14:59:28,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 73 remaining) [2024-01-27 14:59:28,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 73 remaining) [2024-01-27 14:59:28,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr27ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 73 remaining) [2024-01-27 14:59:28,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr28ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 73 remaining) [2024-01-27 14:59:28,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr29ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 73 remaining) [2024-01-27 14:59:28,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr30ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 73 remaining) [2024-01-27 14:59:28,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr31ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 73 remaining) [2024-01-27 14:59:28,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr32ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 73 remaining) [2024-01-27 14:59:28,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr33ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 73 remaining) [2024-01-27 14:59:28,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr34ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 73 remaining) [2024-01-27 14:59:28,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 73 remaining) [2024-01-27 14:59:28,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 73 remaining) [2024-01-27 14:59:28,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 73 remaining) [2024-01-27 14:59:28,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 73 remaining) [2024-01-27 14:59:28,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 73 remaining) [2024-01-27 14:59:28,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 73 remaining) [2024-01-27 14:59:28,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 73 remaining) [2024-01-27 14:59:28,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 73 remaining) [2024-01-27 14:59:28,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 73 remaining) [2024-01-27 14:59:28,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 73 remaining) [2024-01-27 14:59:28,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 73 remaining) [2024-01-27 14:59:28,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 73 remaining) [2024-01-27 14:59:28,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 73 remaining) [2024-01-27 14:59:28,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 73 remaining) [2024-01-27 14:59:28,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 73 remaining) [2024-01-27 14:59:28,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 73 remaining) [2024-01-27 14:59:28,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 73 remaining) [2024-01-27 14:59:28,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 73 remaining) [2024-01-27 14:59:28,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 73 remaining) [2024-01-27 14:59:28,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 73 remaining) [2024-01-27 14:59:28,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 73 remaining) [2024-01-27 14:59:28,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 73 remaining) [2024-01-27 14:59:28,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 73 remaining) [2024-01-27 14:59:28,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 73 remaining) [2024-01-27 14:59:28,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 73 remaining) [2024-01-27 14:59:28,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 73 remaining) [2024-01-27 14:59:28,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr27ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 73 remaining) [2024-01-27 14:59:28,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr28ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 73 remaining) [2024-01-27 14:59:28,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr29ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 73 remaining) [2024-01-27 14:59:28,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr30ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 73 remaining) [2024-01-27 14:59:28,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr31ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 73 remaining) [2024-01-27 14:59:28,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr32ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 73 remaining) [2024-01-27 14:59:28,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr33ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 73 remaining) [2024-01-27 14:59:28,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr34ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 73 remaining) [2024-01-27 14:59:28,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 14:59:28,537 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:28,542 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:59:28,545 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:59:28,570 INFO L503 ceAbstractionStarter]: Automizer considered 36 witness invariants [2024-01-27 14:59:28,570 INFO L504 ceAbstractionStarter]: WitnessConsidered=36 [2024-01-27 14:59:28,571 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:59:28 BasicIcfg [2024-01-27 14:59:28,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:59:28,571 INFO L158 Benchmark]: Toolchain (without parser) took 2856.35ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 121.6MB in the beginning and 114.2MB in the end (delta: 7.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-01-27 14:59:28,571 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 157.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:28,572 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:28,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.04ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 97.0MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:28,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.50ms. Allocated memory is still 157.3MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:28,572 INFO L158 Benchmark]: Boogie Preprocessor took 55.64ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:28,572 INFO L158 Benchmark]: RCFGBuilder took 467.41ms. Allocated memory is still 157.3MB. Free memory was 92.2MB in the beginning and 67.7MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:28,572 INFO L158 Benchmark]: TraceAbstraction took 1815.03ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 67.1MB in the beginning and 114.2MB in the end (delta: -47.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-01-27 14:59:28,573 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 157.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.04ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 97.0MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.50ms. Allocated memory is still 157.3MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.64ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.41ms. Allocated memory is still 157.3MB. Free memory was 92.2MB in the beginning and 67.7MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1815.03ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 67.1MB in the beginning and 114.2MB in the end (delta: -47.1MB). Peak memory consumption was 4.9MB. 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}] [L685] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L685] 1 int t = __VERIFIER_nondet_int(); [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[1]]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[glob1]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[1]]]] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[glob1]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[t]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[1]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[1]]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[1]]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[t],IntegerLiteral[1]]]] [L691] CALL 1 __VERIFIER_assert(!(t == 0)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - 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: 700]: 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 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: 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: 690]: 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: 690]: 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: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - 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: 694]: 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 invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 694]: 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, 173 locations, 73 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 602 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 372 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 551 IncrementalHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 120 mSolverCounterUnsat, 91 mSDtfsCounter, 551 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=1, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-27 14:59:28,593 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