./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_1_neg.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a340643-m [2024-01-27 14:59:33,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:59:33,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:59:33,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:59:33,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:59:33,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:59:33,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:59:33,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:59:33,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:59:33,312 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:59:33,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:59:33,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:59:33,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:59:33,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:59:33,314 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:59:33,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:59:33,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:59:33,315 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:59:33,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:59:33,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:59:33,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:59:33,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:59:33,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:59:33,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:59:33,316 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:59:33,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:59:33,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:59:33,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:59:33,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:59:33,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:59:33,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:59:33,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:59:33,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:33,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:59:33,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:59:33,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:59:33,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:59:33,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:59:33,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:59:33,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:59:33,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:59:33,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:59:33,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:59:33,321 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:59:33,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:59:33,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:59:33,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:59:33,568 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:59:33,570 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:59:33,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_1_neg.yml/witness.yml [2024-01-27 14:59:33,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:59:33,648 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:59:33,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-01-27 14:59:34,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:59:34,828 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:59:34,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-01-27 14:59:34,845 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16d2be3bf/55b339ffe15a498dbd1c46a206bac7cd/FLAGa6260ac7f [2024-01-27 14:59:34,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16d2be3bf/55b339ffe15a498dbd1c46a206bac7cd [2024-01-27 14:59:34,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:59:34,856 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:59:34,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:34,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:59:34,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:59:34,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:33" (1/2) ... [2024-01-27 14:59:34,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18125c27 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:34, skipping insertion in model container [2024-01-27 14:59:34,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:33" (1/2) ... [2024-01-27 14:59:34,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ed58c2b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:34, skipping insertion in model container [2024-01-27 14:59:34,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:34" (2/2) ... [2024-01-27 14:59:34,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18125c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:34, skipping insertion in model container [2024-01-27 14:59:34,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:34" (2/2) ... [2024-01-27 14:59:34,863 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:59:34,886 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:59:34,887 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 == 0 [2024-01-27 14:59:34,887 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 == 0 [2024-01-27 14:59:34,887 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-27 14:59:34,887 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-01-27 14:59:34,887 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-27 14:59:34,887 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-27 14:59:34,888 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (unsigned long )arg == 0UL [2024-01-27 14:59:34,888 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 == 0 [2024-01-27 14:59:34,888 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-27 14:59:34,888 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 == 0 [2024-01-27 14:59:34,888 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-27 14:59:34,888 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] glob1 == 5 [2024-01-27 14:59:34,888 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-27 14:59:34,888 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-27 14:59:34,889 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 == 5 [2024-01-27 14:59:34,889 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-27 14:59:34,889 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-27 14:59:34,889 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] glob1 == 5 [2024-01-27 14:59:34,889 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-27 14:59:34,889 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 == 0 [2024-01-27 14:59:34,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:59:35,060 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2024-01-27 14:59:35,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:35,175 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:59:35,183 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2024-01-27 14:59:35,184 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 14:59:35,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:35,253 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:59:35,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35 WrapperNode [2024-01-27 14:59:35,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:35,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:35,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:59:35,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:59:35,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,287 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-01-27 14:59:35,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:35,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:59:35,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:59:35,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:59:35,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,298 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,308 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 5, 2, 5]. 36 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 0, 5]. The 1 writes are split as follows [0, 0, 1, 0]. [2024-01-27 14:59:35,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:59:35,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:59:35,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:59:35,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:59:35,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (1/1) ... [2024-01-27 14:59:35,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:35,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:59:35,358 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 14:59:35,419 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 14:59:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:59:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:59:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:59:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:59:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:59:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:59:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:59:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:59:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 14:59:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:59:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:59:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-27 14:59:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-27 14:59:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:59:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:59:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:59:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:59:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:59:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 14:59:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:59:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:59:35,450 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 14:59:35,542 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:59:35,544 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:59:35,705 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:59:35,705 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:59:35,811 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:59:35,811 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 14:59:35,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:35 BoogieIcfgContainer [2024-01-27 14:59:35,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:59:35,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:59:35,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:59:35,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:59:35,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:33" (1/4) ... [2024-01-27 14:59:35,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9f53e5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:59:35, skipping insertion in model container [2024-01-27 14:59:35,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:59:34" (2/4) ... [2024-01-27 14:59:35,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9f53e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:59:35, skipping insertion in model container [2024-01-27 14:59:35,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:35" (3/4) ... [2024-01-27 14:59:35,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9f53e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:59:35, skipping insertion in model container [2024-01-27 14:59:35,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:35" (4/4) ... [2024-01-27 14:59:35,818 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2024-01-27 14:59:35,830 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:59:35,831 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-01-27 14:59:35,831 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:59:35,882 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-27 14:59:35,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 64 transitions, 135 flow [2024-01-27 14:59:35,931 INFO L124 PetriNetUnfolderBase]: 1/63 cut-off events. [2024-01-27 14:59:35,932 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 14:59:35,934 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 14:59:35,935 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 64 transitions, 135 flow [2024-01-27 14:59:35,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2024-01-27 14:59:35,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:59:35,956 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;@6d6c3ab0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:59:35,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-01-27 14:59:35,959 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:59:35,959 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:59:35,959 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:35,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:35,960 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:59:35,960 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 14:59:35,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:35,964 INFO L85 PathProgramCache]: Analyzing trace with hash 7911, now seen corresponding path program 1 times [2024-01-27 14:59:35,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:35,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075422665] [2024-01-27 14:59:35,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:35,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:36,128 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 14:59:36,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:36,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075422665] [2024-01-27 14:59:36,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075422665] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:36,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:36,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:59:36,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928710670] [2024-01-27 14:59:36,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:36,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:36,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:36,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:36,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:36,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 64 [2024-01-27 14:59:36,191 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) [2024-01-27 14:59:36,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:36,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 64 [2024-01-27 14:59:36,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:36,311 INFO L124 PetriNetUnfolderBase]: 91/418 cut-off events. [2024-01-27 14:59:36,311 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:36,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 652 conditions, 418 events. 91/418 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2159 event pairs, 58 based on Foata normal form. 32/386 useless extension candidates. Maximal degree in co-relation 641. Up to 160 conditions per place. [2024-01-27 14:59:36,315 INFO L140 encePairwiseOnDemand]: 51/64 looper letters, 28 selfloop transitions, 4 changer transitions 0/63 dead transitions. [2024-01-27 14:59:36,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 63 transitions, 193 flow [2024-01-27 14:59:36,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 139 transitions. [2024-01-27 14:59:36,341 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7239583333333334 [2024-01-27 14:59:36,343 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 125 flow. Second operand 3 states and 139 transitions. [2024-01-27 14:59:36,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 63 transitions, 193 flow [2024-01-27 14:59:36,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 63 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:36,347 INFO L231 Difference]: Finished difference. Result has 62 places, 56 transitions, 138 flow [2024-01-27 14:59:36,349 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 14:59:36,351 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places. [2024-01-27 14:59:36,353 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 138 flow [2024-01-27 14:59:36,353 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) [2024-01-27 14:59:36,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:36,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 14:59:36,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:59:36,354 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 14:59:36,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:36,355 INFO L85 PathProgramCache]: Analyzing trace with hash 235999842, now seen corresponding path program 1 times [2024-01-27 14:59:36,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:36,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874536842] [2024-01-27 14:59:36,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:36,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:36,496 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 14:59:36,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:36,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874536842] [2024-01-27 14:59:36,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874536842] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:36,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:36,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:59:36,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319572139] [2024-01-27 14:59:36,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:36,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:36,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:36,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:36,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:36,559 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 64 [2024-01-27 14:59:36,561 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 14:59:36,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:36,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 64 [2024-01-27 14:59:36,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:36,677 INFO L124 PetriNetUnfolderBase]: 67/357 cut-off events. [2024-01-27 14:59:36,677 INFO L125 PetriNetUnfolderBase]: For 65/68 co-relation queries the response was YES. [2024-01-27 14:59:36,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 357 events. 67/357 cut-off events. For 65/68 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1747 event pairs, 10 based on Foata normal form. 70/420 useless extension candidates. Maximal degree in co-relation 586. Up to 159 conditions per place. [2024-01-27 14:59:36,680 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 24 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2024-01-27 14:59:36,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 53 transitions, 186 flow [2024-01-27 14:59:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:59:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:59:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2024-01-27 14:59:36,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6484375 [2024-01-27 14:59:36,682 INFO L175 Difference]: Start difference. First operand has 62 places, 56 transitions, 138 flow. Second operand 4 states and 166 transitions. [2024-01-27 14:59:36,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 53 transitions, 186 flow [2024-01-27 14:59:36,683 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 14:59:36,684 INFO L231 Difference]: Finished difference. Result has 54 places, 47 transitions, 116 flow [2024-01-27 14:59:36,685 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 14:59:36,685 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -10 predicate places. [2024-01-27 14:59:36,686 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 47 transitions, 116 flow [2024-01-27 14:59:36,687 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 14:59:36,687 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:36,687 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:36,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:59:36,687 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 14:59:36,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:36,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1551346218, now seen corresponding path program 1 times [2024-01-27 14:59:36,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:36,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652299484] [2024-01-27 14:59:36,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:36,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:36,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:59:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:36,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:59:36,731 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:59:36,732 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2024-01-27 14:59:36,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 36 remaining) [2024-01-27 14:59:36,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 36 remaining) [2024-01-27 14:59:36,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 36 remaining) [2024-01-27 14:59:36,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 36 remaining) [2024-01-27 14:59:36,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 36 remaining) [2024-01-27 14:59:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 36 remaining) [2024-01-27 14:59:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 36 remaining) [2024-01-27 14:59:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 36 remaining) [2024-01-27 14:59:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 36 remaining) [2024-01-27 14:59:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 36 remaining) [2024-01-27 14:59:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 36 remaining) [2024-01-27 14:59:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 36 remaining) [2024-01-27 14:59:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 36 remaining) [2024-01-27 14:59:36,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 36 remaining) [2024-01-27 14:59:36,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 36 remaining) [2024-01-27 14:59:36,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 36 remaining) [2024-01-27 14:59:36,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 36 remaining) [2024-01-27 14:59:36,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 36 remaining) [2024-01-27 14:59:36,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 36 remaining) [2024-01-27 14:59:36,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 36 remaining) [2024-01-27 14:59:36,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 36 remaining) [2024-01-27 14:59:36,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 36 remaining) [2024-01-27 14:59:36,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 36 remaining) [2024-01-27 14:59:36,738 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 36 remaining) [2024-01-27 14:59:36,738 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 36 remaining) [2024-01-27 14:59:36,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 36 remaining) [2024-01-27 14:59:36,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 36 remaining) [2024-01-27 14:59:36,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 36 remaining) [2024-01-27 14:59:36,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 36 remaining) [2024-01-27 14:59:36,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 36 remaining) [2024-01-27 14:59:36,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 36 remaining) [2024-01-27 14:59:36,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 36 remaining) [2024-01-27 14:59:36,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 36 remaining) [2024-01-27 14:59:36,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 36 remaining) [2024-01-27 14:59:36,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 36 remaining) [2024-01-27 14:59:36,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:59:36,743 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-01-27 14:59:36,747 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:59:36,747 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:59:36,763 INFO L503 ceAbstractionStarter]: Automizer considered 18 witness invariants [2024-01-27 14:59:36,764 INFO L504 ceAbstractionStarter]: WitnessConsidered=18 [2024-01-27 14:59:36,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:59:36 BasicIcfg [2024-01-27 14:59:36,765 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:59:36,766 INFO L158 Benchmark]: Toolchain (without parser) took 1910.08ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 78.1MB in the end (delta: 44.2MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-01-27 14:59:36,766 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:36,767 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:36,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.69ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 99.3MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:36,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.04ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:36,770 INFO L158 Benchmark]: Boogie Preprocessor took 30.78ms. Allocated memory is still 159.4MB. Free memory was 97.1MB in the beginning and 95.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:36,771 INFO L158 Benchmark]: RCFGBuilder took 492.08ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 104.2MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-01-27 14:59:36,772 INFO L158 Benchmark]: TraceAbstraction took 952.29ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 78.1MB in the end (delta: 25.6MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-01-27 14:59:36,774 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 0.15ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.69ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 99.3MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.04ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.78ms. Allocated memory is still 159.4MB. Free memory was 97.1MB in the beginning and 95.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 492.08ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 104.2MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 952.29ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 78.1MB in the end (delta: 25.6MB). Peak memory consumption was 27.2MB. 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={5:0}, 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={5:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [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: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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, 0.0s 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 14:59:36,812 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