./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stateful01-1.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/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/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 16:21:59,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 16:21:59,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 16:21:59,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 16:21:59,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 16:21:59,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 16:21:59,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 16:21:59,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 16:21:59,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 16:21:59,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 16:21:59,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 16:21:59,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 16:21:59,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 16:21:59,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 16:21:59,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 16:21:59,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 16:21:59,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 16:21:59,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 16:21:59,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 16:21:59,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 16:21:59,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 16:21:59,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 16:21:59,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 16:21:59,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 16:21:59,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 16:21:59,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 16:21:59,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 16:21:59,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 16:21:59,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 16:21:59,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 16:21:59,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 16:21:59,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 16:21:59,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 16:21:59,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 16:21:59,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 16:21:59,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 16:21:59,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 16:21:59,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 16:21:59,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 16:21:59,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 16:21:59,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 16:21:59,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 16:21:59,232 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 16:21:59,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 16:21:59,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 16:21:59,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 16:21:59,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 16:21:59,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 16:21:59,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 16:21:59,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 16:21:59,236 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 16:21:59,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 16:21:59,237 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 16:21:59,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 16:21:59,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 16:21:59,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 16:21:59,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 16:21:59,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 16:21:59,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 16:21:59,239 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 16:21:59,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 16:21:59,239 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 16:21:59,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 16:21:59,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 16:21:59,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 16:21:59,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 16:21:59,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 16:21:59,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 16:21:59,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 16:21:59,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 16:21:59,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 16:21:59,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 16:21:59,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 16:21:59,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 16:21:59,241 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 16:21:59,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 16:21:59,242 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 16:21:59,242 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 16:21:59,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 16:21:59,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 16:21:59,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 16:21:59,587 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 16:21:59,587 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 16:21:59,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2023-08-30 16:22:00,817 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 16:22:01,102 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 16:22:01,103 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2023-08-30 16:22:01,112 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20b6a6c23/c64a4f5f398f4e26aef541feedf86a08/FLAG794ec73dc [2023-08-30 16:22:01,123 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20b6a6c23/c64a4f5f398f4e26aef541feedf86a08 [2023-08-30 16:22:01,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 16:22:01,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 16:22:01,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 16:22:01,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 16:22:01,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 16:22:01,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8bd46f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01, skipping insertion in model container [2023-08-30 16:22:01,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 16:22:01,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 16:22:01,472 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2023-08-30 16:22:01,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 16:22:01,490 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 16:22:01,539 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2023-08-30 16:22:01,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 16:22:01,598 INFO L208 MainTranslator]: Completed translation [2023-08-30 16:22:01,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01 WrapperNode [2023-08-30 16:22:01,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 16:22:01,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 16:22:01,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 16:22:01,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 16:22:01,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,663 INFO L138 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2023-08-30 16:22:01,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 16:22:01,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 16:22:01,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 16:22:01,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 16:22:01,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,695 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 16:22:01,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 16:22:01,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 16:22:01,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 16:22:01,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (1/1) ... [2023-08-30 16:22:01,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 16:22:01,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 16:22:01,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 16:22:01,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 16:22:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 16:22:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 16:22:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 16:22:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 16:22:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 16:22:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 16:22:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 16:22:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 16:22:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 16:22:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 16:22:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 16:22:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 16:22:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 16:22:01,789 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 16:22:01,905 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 16:22:01,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 16:22:02,121 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 16:22:02,128 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 16:22:02,130 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 16:22:02,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:22:02 BoogieIcfgContainer [2023-08-30 16:22:02,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 16:22:02,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 16:22:02,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 16:22:02,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 16:22:02,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 04:22:01" (1/3) ... [2023-08-30 16:22:02,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bbd481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:22:02, skipping insertion in model container [2023-08-30 16:22:02,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:22:01" (2/3) ... [2023-08-30 16:22:02,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bbd481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:22:02, skipping insertion in model container [2023-08-30 16:22:02,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:22:02" (3/3) ... [2023-08-30 16:22:02,142 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2023-08-30 16:22:02,149 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 16:22:02,156 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 16:22:02,157 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 16:22:02,157 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 16:22:02,222 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 16:22:02,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 89 transitions, 194 flow [2023-08-30 16:22:02,316 INFO L130 PetriNetUnfolder]: 1/87 cut-off events. [2023-08-30 16:22:02,316 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 16:22:02,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 87 events. 1/87 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2023-08-30 16:22:02,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 89 transitions, 194 flow [2023-08-30 16:22:02,323 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 77 transitions, 166 flow [2023-08-30 16:22:02,331 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 16:22:02,339 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 77 transitions, 166 flow [2023-08-30 16:22:02,341 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 77 transitions, 166 flow [2023-08-30 16:22:02,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 77 transitions, 166 flow [2023-08-30 16:22:02,366 INFO L130 PetriNetUnfolder]: 0/77 cut-off events. [2023-08-30 16:22:02,366 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 16:22:02,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 77 events. 0/77 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-30 16:22:02,367 INFO L119 LiptonReduction]: Number of co-enabled transitions 732 [2023-08-30 16:22:05,238 INFO L134 LiptonReduction]: Checked pairs total: 2433 [2023-08-30 16:22:05,238 INFO L136 LiptonReduction]: Total number of compositions: 54 [2023-08-30 16:22:05,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 16:22:05,256 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@7c8e84d2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 16:22:05,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-08-30 16:22:05,263 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2023-08-30 16:22:05,263 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 16:22:05,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 16:22:05,264 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 16:22:05,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-30 16:22:05,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 16:22:05,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1212926621, now seen corresponding path program 1 times [2023-08-30 16:22:05,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 16:22:05,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512467551] [2023-08-30 16:22:05,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 16:22:05,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 16:22:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 16:22:05,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-30 16:22:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 16:22:05,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-30 16:22:05,549 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-30 16:22:05,550 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-08-30 16:22:05,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-08-30 16:22:05,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-08-30 16:22:05,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 16:22:05,553 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-30 16:22:05,559 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 16:22:05,559 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 16:22:05,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 04:22:05 BasicIcfg [2023-08-30 16:22:05,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 16:22:05,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 16:22:05,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 16:22:05,614 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 16:22:05,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:22:02" (3/4) ... [2023-08-30 16:22:05,616 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-08-30 16:22:05,678 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 16:22:05,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 16:22:05,679 INFO L158 Benchmark]: Toolchain (without parser) took 4553.14ms. Allocated memory was 67.1MB in the beginning and 121.6MB in the end (delta: 54.5MB). Free memory was 43.4MB in the beginning and 95.7MB in the end (delta: -52.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-08-30 16:22:05,679 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 16:22:05,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.60ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 43.3MB in the beginning and 74.0MB in the end (delta: -30.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-08-30 16:22:05,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.27ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 16:22:05,681 INFO L158 Benchmark]: Boogie Preprocessor took 41.14ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 70.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 16:22:05,681 INFO L158 Benchmark]: RCFGBuilder took 426.74ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 56.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 16:22:05,682 INFO L158 Benchmark]: TraceAbstraction took 3477.45ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 56.1MB in the beginning and 42.2MB in the end (delta: 13.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2023-08-30 16:22:05,682 INFO L158 Benchmark]: Witness Printer took 64.75ms. Allocated memory is still 121.6MB. Free memory was 42.2MB in the beginning and 95.7MB in the end (delta: -53.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 16:22:05,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.60ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 43.3MB in the beginning and 74.0MB in the end (delta: -30.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.27ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.14ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 70.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.74ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 56.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3477.45ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 56.1MB in the beginning and 42.2MB in the end (delta: 13.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Witness Printer took 64.75ms. Allocated memory is still 121.6MB. Free memory was 42.2MB in the beginning and 95.7MB in the end (delta: -53.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 84 PlacesBefore, 30 PlacesAfterwards, 77 TransitionsBefore, 23 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, 2433 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1335, independent: 1170, independent conditional: 0, independent unconditional: 1170, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 373, independent: 348, independent conditional: 0, independent unconditional: 348, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1335, independent: 822, independent conditional: 0, independent unconditional: 822, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 373, unknown conditional: 0, unknown unconditional: 373] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; [L693] 0 int data1, data2; [L716] 0 pthread_t t1, t2; [L719] 0 data1 = 10 [L720] 0 data2 = 10 [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t1, 0, thread1, 0)=-2, t1={6:0}, t2={5:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t2, 0, thread2, 0)=-1, t1={6:0}, t2={5:0}] [L707] 2 data1+=5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=10, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=4, ma={3:0}, mb={4:0}] [L712] 2 return 0; [L697] 1 data1++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=4, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L702] 1 return 0; [L723] 0 \read(t1) VAL [\read(t1)=-2, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-2, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L725] COND TRUE 0 data1==16 && data2==5 [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 119 locations, 3 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: 3.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2023-08-30 16:22:05,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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