./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 ab2e0ac4 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_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-ab2e0ac-m [2024-01-29 14:39:08,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:39:08,126 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:39:08,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:39:08,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:39:08,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:39:08,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:39:08,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:39:08,167 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:39:08,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:39:08,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:39:08,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:39:08,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:39:08,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:39:08,173 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:39:08,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:39:08,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:39:08,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:39:08,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:39:08,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:39:08,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:39:08,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:39:08,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:39:08,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:39:08,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:39:08,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:39:08,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:39:08,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:39:08,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:39:08,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:39:08,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:39:08,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:39:08,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:08,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:39:08,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:39:08,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:39:08,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:39:08,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:39:08,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:39:08,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:39:08,181 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:39:08,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:39:08,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:39:08,181 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:39:08,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:39:08,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:39:08,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:39:08,468 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:39:08,469 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:39:08,470 INFO L431 ainManager$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 [2024-01-29 14:39:08,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:39:08,600 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:39:08,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-29 14:39:09,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:39:10,155 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:39:10,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-29 14:39:10,177 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439f49328/1e8490521db9416a94586eca57810235/FLAG9aa0348cf [2024-01-29 14:39:10,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439f49328/1e8490521db9416a94586eca57810235 [2024-01-29 14:39:10,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:39:10,194 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:39:10,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:10,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:39:10,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:39:10,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:08" (1/2) ... [2024-01-29 14:39:10,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a4effe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:10, skipping insertion in model container [2024-01-29 14:39:10,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:08" (1/2) ... [2024-01-29 14:39:10,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36ba408 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:10, skipping insertion in model container [2024-01-29 14:39:10,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:10" (2/2) ... [2024-01-29 14:39:10,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a4effe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10, skipping insertion in model container [2024-01-29 14:39:10,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:10" (2/2) ... [2024-01-29 14:39:10,207 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:39:10,244 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:39:10,246 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-29 14:39:10,247 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 == 5 [2024-01-29 14:39:10,247 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-29 14:39:10,247 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-29 14:39:10,247 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-29 14:39:10,248 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-29 14:39:10,248 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (unsigned long )arg == 0UL [2024-01-29 14:39:10,248 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 == 0 [2024-01-29 14:39:10,248 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-29 14:39:10,248 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] glob1 == 5 [2024-01-29 14:39:10,249 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-01-29 14:39:10,249 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 == 0 [2024-01-29 14:39:10,249 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-29 14:39:10,249 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-29 14:39:10,249 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] glob1 == 5 [2024-01-29 14:39:10,250 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-29 14:39:10,250 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 == 0 [2024-01-29 14:39:10,250 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 == 0 [2024-01-29 14:39:10,250 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 == 0 [2024-01-29 14:39:10,250 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-29 14:39:10,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:39:10,479 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] [2024-01-29 14:39:10,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:10,620 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:39:10,638 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] [2024-01-29 14:39:10,638 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 [2024-01-29 14:39:10,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:10,729 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:39:10,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10 WrapperNode [2024-01-29 14:39:10,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:10,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:10,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:39:10,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:39:10,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,799 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-01-29 14:39:10,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:10,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:39:10,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:39:10,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:39:10,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,849 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 5, 5, 2]. 36 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-01-29 14:39:10,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:39:10,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:39:10,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:39:10,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:39:10,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (1/1) ... [2024-01-29 14:39:10,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:10,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:39:10,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 14:39:10,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 14:39:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:39:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:39:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:39:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:39:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:39:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:39:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:39:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:39:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 14:39:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:39:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:39:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 14:39:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 14:39:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:39:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:39:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:39:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:39:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:39:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 14:39:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:39:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:39:10,997 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:39:11,108 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:39:11,110 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:39:11,300 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:39:11,300 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:39:11,423 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:39:11,423 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:39:11,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:11 BoogieIcfgContainer [2024-01-29 14:39:11,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:39:11,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:39:11,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:39:11,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:39:11,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:08" (1/4) ... [2024-01-29 14:39:11,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc6347a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:39:11, skipping insertion in model container [2024-01-29 14:39:11,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:39:10" (2/4) ... [2024-01-29 14:39:11,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc6347a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:39:11, skipping insertion in model container [2024-01-29 14:39:11,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:10" (3/4) ... [2024-01-29 14:39:11,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc6347a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:39:11, skipping insertion in model container [2024-01-29 14:39:11,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:11" (4/4) ... [2024-01-29 14:39:11,432 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-29 14:39:11,449 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:39:11,449 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-01-29 14:39:11,449 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:39:11,529 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 14:39:11,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 64 transitions, 135 flow [2024-01-29 14:39:11,625 INFO L124 PetriNetUnfolderBase]: 1/63 cut-off events. [2024-01-29 14:39:11,625 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:39:11,633 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. [2024-01-29 14:39:11,633 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 64 transitions, 135 flow [2024-01-29 14:39:11,639 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2024-01-29 14:39:11,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:39:11,667 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;@11ceb281, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:39:11,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-01-29 14:39:11,671 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:39:11,672 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:39:11,672 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:11,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:11,673 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:39:11,674 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)] === [2024-01-29 14:39:11,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash 7911, now seen corresponding path program 1 times [2024-01-29 14:39:11,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:11,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243077467] [2024-01-29 14:39:11,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:11,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:11,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:11,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243077467] [2024-01-29 14:39:11,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243077467] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:11,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:11,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:39:11,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143444045] [2024-01-29 14:39:11,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:11,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:11,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:11,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:11,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:11,996 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 64 [2024-01-29 14:39:11,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:11,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:11,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 64 [2024-01-29 14:39:12,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:12,187 INFO L124 PetriNetUnfolderBase]: 91/410 cut-off events. [2024-01-29 14:39:12,187 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:12,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 410 events. 91/410 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2096 event pairs, 58 based on Foata normal form. 32/379 useless extension candidates. Maximal degree in co-relation 633. Up to 160 conditions per place. [2024-01-29 14:39:12,195 INFO L140 encePairwiseOnDemand]: 51/64 looper letters, 28 selfloop transitions, 4 changer transitions 0/63 dead transitions. [2024-01-29 14:39:12,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 63 transitions, 193 flow [2024-01-29 14:39:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:39:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:39:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 139 transitions. [2024-01-29 14:39:12,209 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7239583333333334 [2024-01-29 14:39:12,210 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 125 flow. Second operand 3 states and 139 transitions. [2024-01-29 14:39:12,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 63 transitions, 193 flow [2024-01-29 14:39:12,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 63 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:39:12,220 INFO L231 Difference]: Finished difference. Result has 62 places, 56 transitions, 138 flow [2024-01-29 14:39:12,222 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} [2024-01-29 14:39:12,225 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places. [2024-01-29 14:39:12,225 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 138 flow [2024-01-29 14:39:12,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:12,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:12,226 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:39:12,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:39:12,227 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)] === [2024-01-29 14:39:12,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:12,228 INFO L85 PathProgramCache]: Analyzing trace with hash 235999842, now seen corresponding path program 1 times [2024-01-29 14:39:12,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:12,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106815186] [2024-01-29 14:39:12,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:12,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:12,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:12,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106815186] [2024-01-29 14:39:12,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106815186] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:12,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:12,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:39:12,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513796081] [2024-01-29 14:39:12,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:12,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:39:12,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:12,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:39:12,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:39:12,552 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 64 [2024-01-29 14:39:12,554 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) [2024-01-29 14:39:12,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:12,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 64 [2024-01-29 14:39:12,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:12,666 INFO L124 PetriNetUnfolderBase]: 67/352 cut-off events. [2024-01-29 14:39:12,667 INFO L125 PetriNetUnfolderBase]: For 66/70 co-relation queries the response was YES. [2024-01-29 14:39:12,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 352 events. 67/352 cut-off events. For 66/70 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1705 event pairs, 10 based on Foata normal form. 70/414 useless extension candidates. Maximal degree in co-relation 581. Up to 159 conditions per place. [2024-01-29 14:39:12,669 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 24 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2024-01-29 14:39:12,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 53 transitions, 186 flow [2024-01-29 14:39:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:39:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:39:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2024-01-29 14:39:12,676 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6484375 [2024-01-29 14:39:12,677 INFO L175 Difference]: Start difference. First operand has 62 places, 56 transitions, 138 flow. Second operand 4 states and 166 transitions. [2024-01-29 14:39:12,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 53 transitions, 186 flow [2024-01-29 14:39:12,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 53 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:39:12,680 INFO L231 Difference]: Finished difference. Result has 54 places, 47 transitions, 116 flow [2024-01-29 14:39:12,680 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} [2024-01-29 14:39:12,681 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -10 predicate places. [2024-01-29 14:39:12,681 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 47 transitions, 116 flow [2024-01-29 14:39:12,681 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) [2024-01-29 14:39:12,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:12,682 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:39:12,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:39:12,682 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)] === [2024-01-29 14:39:12,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:12,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1551346218, now seen corresponding path program 1 times [2024-01-29 14:39:12,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:12,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892479133] [2024-01-29 14:39:12,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:12,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:39:12,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:39:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:39:12,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:39:12,762 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:39:12,763 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2024-01-29 14:39:12,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 36 remaining) [2024-01-29 14:39:12,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 36 remaining) [2024-01-29 14:39:12,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 36 remaining) [2024-01-29 14:39:12,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 36 remaining) [2024-01-29 14:39:12,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 36 remaining) [2024-01-29 14:39:12,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 36 remaining) [2024-01-29 14:39:12,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 36 remaining) [2024-01-29 14:39:12,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 36 remaining) [2024-01-29 14:39:12,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 36 remaining) [2024-01-29 14:39:12,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 36 remaining) [2024-01-29 14:39:12,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 36 remaining) [2024-01-29 14:39:12,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 36 remaining) [2024-01-29 14:39:12,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 36 remaining) [2024-01-29 14:39:12,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 36 remaining) [2024-01-29 14:39:12,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 36 remaining) [2024-01-29 14:39:12,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 36 remaining) [2024-01-29 14:39:12,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 36 remaining) [2024-01-29 14:39:12,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 36 remaining) [2024-01-29 14:39:12,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 36 remaining) [2024-01-29 14:39:12,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 36 remaining) [2024-01-29 14:39:12,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 36 remaining) [2024-01-29 14:39:12,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 36 remaining) [2024-01-29 14:39:12,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 36 remaining) [2024-01-29 14:39:12,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 36 remaining) [2024-01-29 14:39:12,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 36 remaining) [2024-01-29 14:39:12,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 36 remaining) [2024-01-29 14:39:12,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 36 remaining) [2024-01-29 14:39:12,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 36 remaining) [2024-01-29 14:39:12,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 36 remaining) [2024-01-29 14:39:12,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 36 remaining) [2024-01-29 14:39:12,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 36 remaining) [2024-01-29 14:39:12,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 36 remaining) [2024-01-29 14:39:12,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 36 remaining) [2024-01-29 14:39:12,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 36 remaining) [2024-01-29 14:39:12,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 36 remaining) [2024-01-29 14:39:12,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:39:12,773 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-01-29 14:39:12,780 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:39:12,780 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:39:12,806 INFO L503 ceAbstractionStarter]: Automizer considered 18 witness invariants [2024-01-29 14:39:12,806 INFO L504 ceAbstractionStarter]: WitnessConsidered=18 [2024-01-29 14:39:12,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:39:12 BasicIcfg [2024-01-29 14:39:12,807 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:39:12,808 INFO L158 Benchmark]: Toolchain (without parser) took 2613.52ms. Allocated memory is still 169.9MB. Free memory was 97.7MB in the beginning and 69.1MB in the end (delta: 28.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-01-29 14:39:12,808 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:39:12,808 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:39:12,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.43ms. Allocated memory is still 169.9MB. Free memory was 97.6MB in the beginning and 127.5MB in the end (delta: -29.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-01-29 14:39:12,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.57ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:39:12,809 INFO L158 Benchmark]: Boogie Preprocessor took 78.19ms. Allocated memory is still 169.9MB. Free memory was 125.4MB in the beginning and 123.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:39:12,810 INFO L158 Benchmark]: RCFGBuilder took 543.16ms. Allocated memory is still 169.9MB. Free memory was 123.2MB in the beginning and 95.3MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-01-29 14:39:12,810 INFO L158 Benchmark]: TraceAbstraction took 1381.95ms. Allocated memory is still 169.9MB. Free memory was 94.6MB in the beginning and 69.1MB in the end (delta: 25.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-29 14:39:12,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.43ms. Allocated memory is still 169.9MB. Free memory was 97.6MB in the beginning and 127.5MB in the end (delta: -29.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.57ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.19ms. Allocated memory is still 169.9MB. Free memory was 125.4MB in the beginning and 123.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.16ms. Allocated memory is still 169.9MB. Free memory was 123.2MB in the beginning and 95.3MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1381.95ms. Allocated memory is still 169.9MB. Free memory was 94.6MB in the beginning and 69.1MB in the end (delta: 25.5MB). Peak memory consumption was 23.1MB. 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: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 3 mSDtfsCounter, 120 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, 0.1s SatisfiabilityAnalysisTime, 0.3s 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! [2024-01-29 14:39:12,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE