./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_2_pos.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_19-publish-precision_unknown_2_pos.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_2_pos.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a340643-m [2024-01-27 14:59:39,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:59:39,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:59:39,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:59:39,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:59:39,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:59:39,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:59:39,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:59:39,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:59:39,884 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:59:39,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:59:39,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:59:39,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:59:39,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:59:39,885 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:59:39,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:59:39,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:59:39,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:59:39,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:59:39,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:59:39,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:59:39,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:59:39,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:59:39,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:59:39,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:59:39,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:59:39,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:59:39,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:59:39,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:59:39,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:59:39,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:59:39,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:59:39,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:39,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:59:39,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:59:39,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:59:39,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:59:39,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:59:39,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:59:39,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:59:39,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:59:39,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:59:39,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:59:39,901 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:59:40,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:59:40,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:59:40,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:59:40,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:59:40,093 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:59:40,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-27 14:59:41,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:59:41,306 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:59:41,307 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-27 14:59:41,315 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ab66ca0f/11e37c6b7dc34953a86e183c12104c49/FLAGe51a5329c [2024-01-27 14:59:41,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ab66ca0f/11e37c6b7dc34953a86e183c12104c49 [2024-01-27 14:59:41,326 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:59:41,326 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:59:41,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_2_pos.yml/witness.yml [2024-01-27 14:59:41,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:59:41,384 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:59:41,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:41,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:59:41,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:59:41,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:41" (1/2) ... [2024-01-27 14:59:41,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ec35fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:41, skipping insertion in model container [2024-01-27 14:59:41,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:41" (1/2) ... [2024-01-27 14:59:41,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bd24a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:41, skipping insertion in model container [2024-01-27 14:59:41,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:41" (2/2) ... [2024-01-27 14:59:41,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ec35fe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:41, skipping insertion in model container [2024-01-27 14:59:41,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:41" (2/2) ... [2024-01-27 14:59:41,392 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:59:41,418 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:59:41,420 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 == 0 [2024-01-27 14:59:41,420 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-27 14:59:41,420 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 == 0 [2024-01-27 14:59:41,420 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (unsigned long )arg == 0UL [2024-01-27 14:59:41,420 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-27 14:59:41,421 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-27 14:59:41,421 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 == 5 [2024-01-27 14:59:41,421 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-27 14:59:41,421 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 == 0 [2024-01-27 14:59:41,421 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-27 14:59:41,421 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] glob1 == 5 [2024-01-27 14:59:41,422 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-27 14:59:41,422 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-27 14:59:41,422 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 == 0 [2024-01-27 14:59:41,422 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] glob1 == 5 [2024-01-27 14:59:41,422 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-27 14:59:41,422 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-27 14:59:41,422 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 == 0 [2024-01-27 14:59:41,423 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-27 14:59:41,423 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-01-27 14:59:41,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:59:41,608 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2024-01-27 14:59:41,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:41,722 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:59:41,732 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2024-01-27 14:59:41,733 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 [2024-01-27 14:59:41,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:41,833 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:59:41,833 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:41 WrapperNode [2024-01-27 14:59:41,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:41,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:41,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:59:41,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:59:41,839 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,847 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,860 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-01-27 14:59:41,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:41,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:59:41,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:59:41,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:59:41,867 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,868 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,870 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,878 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 5, 5, 2]. 36 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-01-27 14:59:41,878 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,879 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,884 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,885 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,886 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,887 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:59:41,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:59:41,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:59:41,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:59:41,890 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 02:59:41" (1/1) ... [2024-01-27 14:59:41,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:41,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:59:41,909 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 14:59:41,925 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 14:59:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:59:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:59:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:59:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:59:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:59:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:59:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:59:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:59:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 14:59:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:59:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:59:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-27 14:59:41,942 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-27 14:59:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:59:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:59:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:59:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:59:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:59:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 14:59:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:59:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:59:41,947 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:59:42,040 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:59:42,041 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:59:42,210 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:59:42,210 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:59:42,291 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:59:42,291 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 14:59:42,292 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:42 BoogieIcfgContainer [2024-01-27 14:59:42,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:59:42,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:59:42,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:59:42,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:59:42,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:59:41" (1/4) ... [2024-01-27 14:59:42,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c309701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:59:42, skipping insertion in model container [2024-01-27 14:59:42,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:41" (2/4) ... [2024-01-27 14:59:42,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c309701 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:59:42, skipping insertion in model container [2024-01-27 14:59:42,297 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 02:59:41" (3/4) ... [2024-01-27 14:59:42,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c309701 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:59:42, skipping insertion in model container [2024-01-27 14:59:42,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:42" (4/4) ... [2024-01-27 14:59:42,298 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-27 14:59:42,310 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:59:42,310 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-01-27 14:59:42,310 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:59:42,361 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-27 14:59:42,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 64 transitions, 135 flow [2024-01-27 14:59:42,431 INFO L124 PetriNetUnfolderBase]: 1/63 cut-off events. [2024-01-27 14:59:42,431 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 14:59:42,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 1/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-01-27 14:59:42,434 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 64 transitions, 135 flow [2024-01-27 14:59:42,438 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2024-01-27 14:59:42,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:59:42,459 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;@3930901a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:59:42,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-01-27 14:59:42,463 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:59:42,463 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:59:42,464 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:42,464 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:42,464 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:59:42,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-01-27 14:59:42,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:42,469 INFO L85 PathProgramCache]: Analyzing trace with hash 7911, now seen corresponding path program 1 times [2024-01-27 14:59:42,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:42,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764394120] [2024-01-27 14:59:42,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:42,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:42,664 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 14:59:42,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:42,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764394120] [2024-01-27 14:59:42,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764394120] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:42,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:42,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:59:42,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139025946] [2024-01-27 14:59:42,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:42,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:42,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:42,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:42,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:42,720 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 64 [2024-01-27 14:59:42,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 14:59:42,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:42,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 64 [2024-01-27 14:59:42,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:42,837 INFO L124 PetriNetUnfolderBase]: 97/426 cut-off events. [2024-01-27 14:59:42,838 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:42,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 426 events. 97/426 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2177 event pairs, 64 based on Foata normal form. 33/401 useless extension candidates. Maximal degree in co-relation 662. Up to 173 conditions per place. [2024-01-27 14:59:42,841 INFO L140 encePairwiseOnDemand]: 51/64 looper letters, 29 selfloop transitions, 4 changer transitions 0/63 dead transitions. [2024-01-27 14:59:42,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 63 transitions, 195 flow [2024-01-27 14:59:42,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2024-01-27 14:59:42,850 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7135416666666666 [2024-01-27 14:59:42,851 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 125 flow. Second operand 3 states and 137 transitions. [2024-01-27 14:59:42,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 63 transitions, 195 flow [2024-01-27 14:59:42,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 63 transitions, 194 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:42,855 INFO L231 Difference]: Finished difference. Result has 62 places, 56 transitions, 138 flow [2024-01-27 14:59:42,856 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=62, PETRI_TRANSITIONS=56} [2024-01-27 14:59:42,859 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places. [2024-01-27 14:59:42,859 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 138 flow [2024-01-27 14:59:42,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 14:59:42,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:42,860 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 14:59:42,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:59:42,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-01-27 14:59:42,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:42,861 INFO L85 PathProgramCache]: Analyzing trace with hash 235999842, now seen corresponding path program 1 times [2024-01-27 14:59:42,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:42,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808216907] [2024-01-27 14:59:42,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:42,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:42,996 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 14:59:42,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:42,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808216907] [2024-01-27 14:59:42,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808216907] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:42,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:42,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:59:42,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641474638] [2024-01-27 14:59:42,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:42,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:42,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:42,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:42,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:43,039 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 64 [2024-01-27 14:59:43,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 56 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:43,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:43,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 64 [2024-01-27 14:59:43,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:43,114 INFO L124 PetriNetUnfolderBase]: 67/370 cut-off events. [2024-01-27 14:59:43,115 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-01-27 14:59:43,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 370 events. 67/370 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1850 event pairs, 10 based on Foata normal form. 70/434 useless extension candidates. Maximal degree in co-relation 599. Up to 159 conditions per place. [2024-01-27 14:59:43,117 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 24 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2024-01-27 14:59:43,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 53 transitions, 186 flow [2024-01-27 14:59:43,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:59:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:59:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2024-01-27 14:59:43,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6484375 [2024-01-27 14:59:43,119 INFO L175 Difference]: Start difference. First operand has 62 places, 56 transitions, 138 flow. Second operand 4 states and 166 transitions. [2024-01-27 14:59:43,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 53 transitions, 186 flow [2024-01-27 14:59:43,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 53 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:43,121 INFO L231 Difference]: Finished difference. Result has 54 places, 47 transitions, 116 flow [2024-01-27 14:59:43,121 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=116, PETRI_PLACES=54, PETRI_TRANSITIONS=47} [2024-01-27 14:59:43,122 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -10 predicate places. [2024-01-27 14:59:43,122 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 47 transitions, 116 flow [2024-01-27 14:59:43,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:43,122 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:43,122 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:43,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:59:43,122 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-01-27 14:59:43,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:43,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1551346218, now seen corresponding path program 1 times [2024-01-27 14:59:43,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:43,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157509005] [2024-01-27 14:59:43,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:43,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:43,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:59:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:43,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:59:43,152 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:59:43,153 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2024-01-27 14:59:43,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 36 remaining) [2024-01-27 14:59:43,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 36 remaining) [2024-01-27 14:59:43,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 36 remaining) [2024-01-27 14:59:43,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 36 remaining) [2024-01-27 14:59:43,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 36 remaining) [2024-01-27 14:59:43,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 36 remaining) [2024-01-27 14:59:43,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 36 remaining) [2024-01-27 14:59:43,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 36 remaining) [2024-01-27 14:59:43,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 36 remaining) [2024-01-27 14:59:43,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 36 remaining) [2024-01-27 14:59:43,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 36 remaining) [2024-01-27 14:59:43,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 36 remaining) [2024-01-27 14:59:43,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 36 remaining) [2024-01-27 14:59:43,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 36 remaining) [2024-01-27 14:59:43,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 36 remaining) [2024-01-27 14:59:43,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 36 remaining) [2024-01-27 14:59:43,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 36 remaining) [2024-01-27 14:59:43,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 36 remaining) [2024-01-27 14:59:43,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 36 remaining) [2024-01-27 14:59:43,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 36 remaining) [2024-01-27 14:59:43,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 36 remaining) [2024-01-27 14:59:43,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 36 remaining) [2024-01-27 14:59:43,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 36 remaining) [2024-01-27 14:59:43,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 36 remaining) [2024-01-27 14:59:43,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 36 remaining) [2024-01-27 14:59:43,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 36 remaining) [2024-01-27 14:59:43,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 36 remaining) [2024-01-27 14:59:43,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 36 remaining) [2024-01-27 14:59:43,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 36 remaining) [2024-01-27 14:59:43,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 36 remaining) [2024-01-27 14:59:43,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 36 remaining) [2024-01-27 14:59:43,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 36 remaining) [2024-01-27 14:59:43,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 36 remaining) [2024-01-27 14:59:43,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 36 remaining) [2024-01-27 14:59:43,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 36 remaining) [2024-01-27 14:59:43,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:59:43,159 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-01-27 14:59:43,163 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:59:43,163 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:59:43,176 INFO L503 ceAbstractionStarter]: Automizer considered 18 witness invariants [2024-01-27 14:59:43,176 INFO L504 ceAbstractionStarter]: WitnessConsidered=18 [2024-01-27 14:59:43,177 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:59:43 BasicIcfg [2024-01-27 14:59:43,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:59:43,177 INFO L158 Benchmark]: Toolchain (without parser) took 1793.74ms. Allocated memory is still 151.0MB. Free memory was 120.6MB in the beginning and 50.9MB in the end (delta: 69.7MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,178 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:43,178 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 151.0MB. Free memory was 123.8MB in the beginning and 123.3MB in the end (delta: 492.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:43,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.05ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 97.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.17ms. Allocated memory is still 151.0MB. Free memory was 97.0MB in the beginning and 95.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,178 INFO L158 Benchmark]: Boogie Preprocessor took 27.88ms. Allocated memory is still 151.0MB. Free memory was 95.5MB in the beginning and 92.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,179 INFO L158 Benchmark]: RCFGBuilder took 403.04ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 65.0MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,179 INFO L158 Benchmark]: TraceAbstraction took 883.81ms. Allocated memory is still 151.0MB. Free memory was 64.5MB in the beginning and 50.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 151.0MB. Free memory was 123.8MB in the beginning and 123.3MB in the end (delta: 492.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.05ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 97.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.17ms. Allocated memory is still 151.0MB. Free memory was 97.0MB in the beginning and 95.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.88ms. Allocated memory is still 151.0MB. Free memory was 95.5MB in the beginning and 92.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.04ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 65.0MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 883.81ms. Allocated memory is still 151.0MB. Free memory was 64.5MB in the beginning and 50.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 111 locations, 36 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: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 3 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=1, InterpolantAutomatonStates: 7, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 14:59:43,220 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