./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f4b24e32 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 ../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e97ea8fdd79cc88ea5d66529f91fae4bb4475970931b09c5966dea7f1229156f --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 14:03:01,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 14:03:01,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 14:03:01,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 14:03:01,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 14:03:01,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 14:03:01,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 14:03:01,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 14:03:01,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 14:03:01,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 14:03:01,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 14:03:01,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 14:03:01,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 14:03:01,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 14:03:01,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 14:03:01,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 14:03:01,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 14:03:01,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 14:03:01,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 14:03:01,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 14:03:01,384 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 14:03:01,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 14:03:01,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 14:03:01,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 14:03:01,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 14:03:01,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 14:03:01,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 14:03:01,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 14:03:01,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 14:03:01,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 14:03:01,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 14:03:01,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 14:03:01,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 14:03:01,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 14:03:01,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 14:03:01,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 14:03:01,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 14:03:01,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 14:03:01,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 14:03:01,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 14:03:01,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 14:03:01,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 14:03:01,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-14 14:03:01,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 14:03:01,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 14:03:01,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 14:03:01,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 14:03:01,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 14:03:01,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 14:03:01,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 14:03:01,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 14:03:01,427 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 14:03:01,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 14:03:01,428 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 14:03:01,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 14:03:01,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 14:03:01,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 14:03:01,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 14:03:01,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 14:03:01,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 14:03:01,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 14:03:01,429 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-14 14:03:01,429 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 14:03:01,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 14:03:01,430 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 14:03:01,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 14:03:01,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 14:03:01,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 14:03:01,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 14:03:01,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 14:03:01,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 14:03:01,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 14:03:01,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 14:03:01,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 14:03:01,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 14:03:01,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 14:03:01,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e97ea8fdd79cc88ea5d66529f91fae4bb4475970931b09c5966dea7f1229156f [2022-07-14 14:03:01,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 14:03:01,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 14:03:01,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 14:03:01,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 14:03:01,587 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 14:03:01,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-07-14 14:03:01,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc6a74e35/148159031b204ba2ab08b895f0a8d30a/FLAG083be39ab [2022-07-14 14:03:02,004 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 14:03:02,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-07-14 14:03:02,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc6a74e35/148159031b204ba2ab08b895f0a8d30a/FLAG083be39ab [2022-07-14 14:03:02,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc6a74e35/148159031b204ba2ab08b895f0a8d30a [2022-07-14 14:03:02,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 14:03:02,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 14:03:02,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 14:03:02,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 14:03:02,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 14:03:02,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb327b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02, skipping insertion in model container [2022-07-14 14:03:02,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 14:03:02,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 14:03:02,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:03:02,720 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 14:03:02,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:03:02,810 INFO L208 MainTranslator]: Completed translation [2022-07-14 14:03:02,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02 WrapperNode [2022-07-14 14:03:02,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 14:03:02,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 14:03:02,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 14:03:02,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 14:03:02,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,864 INFO L137 Inliner]: procedures = 262, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-07-14 14:03:02,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 14:03:02,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 14:03:02,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 14:03:02,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 14:03:02,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 14:03:02,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 14:03:02,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 14:03:02,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 14:03:02,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (1/1) ... [2022-07-14 14:03:02,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 14:03:02,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:03:02,930 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) [2022-07-14 14:03:02,948 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 [2022-07-14 14:03:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 14:03:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 14:03:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 14:03:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 14:03:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-14 14:03:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 14:03:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-07-14 14:03:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-07-14 14:03:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 14:03:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 14:03:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 14:03:02,969 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-14 14:03:03,081 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 14:03:03,082 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 14:03:03,204 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 14:03:03,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 14:03:03,210 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 14:03:03,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:03:03 BoogieIcfgContainer [2022-07-14 14:03:03,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 14:03:03,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 14:03:03,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 14:03:03,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 14:03:03,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:03:02" (1/3) ... [2022-07-14 14:03:03,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdf8097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:03:03, skipping insertion in model container [2022-07-14 14:03:03,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:03:02" (2/3) ... [2022-07-14 14:03:03,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdf8097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:03:03, skipping insertion in model container [2022-07-14 14:03:03,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:03:03" (3/3) ... [2022-07-14 14:03:03,221 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2022-07-14 14:03:03,226 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-14 14:03:03,231 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 14:03:03,232 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-14 14:03:03,232 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-14 14:03:03,270 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-14 14:03:03,289 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-14 14:03:03,297 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 72 transitions, 152 flow [2022-07-14 14:03:03,299 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 72 transitions, 152 flow [2022-07-14 14:03:03,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 72 transitions, 152 flow [2022-07-14 14:03:03,324 INFO L129 PetriNetUnfolder]: 0/71 cut-off events. [2022-07-14 14:03:03,325 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-14 14:03:03,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 71 events. 0/71 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-07-14 14:03:03,327 INFO L116 LiptonReduction]: Number of co-enabled transitions 480 [2022-07-14 14:03:05,123 INFO L131 LiptonReduction]: Checked pairs total: 1177 [2022-07-14 14:03:05,124 INFO L133 LiptonReduction]: Total number of compositions: 62 [2022-07-14 14:03:05,129 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 18 transitions, 44 flow [2022-07-14 14:03:05,150 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 51 states have internal predecessors, (87), 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) [2022-07-14 14:03:05,168 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 14:03:05,174 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=FINITE_AUTOMATA, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@72f88d31, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7847a7f7 [2022-07-14 14:03:05,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-07-14 14:03:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 51 states have internal predecessors, (87), 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) [2022-07-14 14:03:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-07-14 14:03:05,180 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:03:05,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-07-14 14:03:05,181 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-14 14:03:05,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:03:05,186 INFO L85 PathProgramCache]: Analyzing trace with hash 250265, now seen corresponding path program 1 times [2022-07-14 14:03:05,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:03:05,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415398315] [2022-07-14 14:03:05,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:03:05,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:03:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:03:05,286 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:03:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:03:05,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:03:05,329 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-14 14:03:05,330 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-07-14 14:03:05,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-07-14 14:03:05,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 7 remaining) [2022-07-14 14:03:05,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-07-14 14:03:05,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-07-14 14:03:05,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-07-14 14:03:05,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-07-14 14:03:05,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 14:03:05,335 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-14 14:03:05,340 INFO L226 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-07-14 14:03:05,340 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-14 14:03:05,344 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-07-14 14:03:05,344 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-07-14 14:03:05,345 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-07-14 14:03:05,345 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-07-14 14:03:05,346 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-07-14 14:03:05,346 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-07-14 14:03:05,347 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-07-14 14:03:05,347 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-07-14 14:03:05,348 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-07-14 14:03:05,348 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-07-14 14:03:05,348 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-07-14 14:03:05,349 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-07-14 14:03:05,350 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-07-14 14:03:05,350 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-07-14 14:03:05,350 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-07-14 14:03:05,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 02:03:05 BasicIcfg [2022-07-14 14:03:05,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-14 14:03:05,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 14:03:05,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 14:03:05,361 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 14:03:05,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:03:03" (3/4) ... [2022-07-14 14:03:05,363 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-14 14:03:05,364 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,365 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-07-14 14:03:05,365 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,365 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-07-14 14:03:05,366 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,367 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-07-14 14:03:05,368 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,368 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-07-14 14:03:05,369 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,369 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-07-14 14:03:05,369 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-07-14 14:03:05,370 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-07-14 14:03:05,370 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,375 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-07-14 14:03:05,375 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,375 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-07-14 14:03:05,375 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,375 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-07-14 14:03:05,376 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,376 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-07-14 14:03:05,376 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-07-14 14:03:05,377 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-07-14 14:03:05,377 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-07-14 14:03:05,377 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-07-14 14:03:05,378 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-07-14 14:03:05,421 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 14:03:05,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 14:03:05,422 INFO L158 Benchmark]: Toolchain (without parser) took 3020.54ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 60.2MB in the beginning and 102.9MB in the end (delta: -42.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-07-14 14:03:05,423 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:03:05,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.67ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 60.1MB in the beginning and 92.9MB in the end (delta: -32.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-07-14 14:03:05,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.25ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 93.2MB in the end (delta: -384.2kB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-07-14 14:03:05,427 INFO L158 Benchmark]: Boogie Preprocessor took 36.40ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:03:05,427 INFO L158 Benchmark]: RCFGBuilder took 309.34ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-14 14:03:05,427 INFO L158 Benchmark]: TraceAbstraction took 2144.81ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 78.6MB in the beginning and 107.1MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:03:05,428 INFO L158 Benchmark]: Witness Printer took 60.33ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 102.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 14:03:05,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.67ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 60.1MB in the beginning and 92.9MB in the end (delta: -32.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.25ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 93.2MB in the end (delta: -384.2kB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.40ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.34ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2144.81ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 78.6MB in the beginning and 107.1MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.33ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 102.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 76 PlacesBefore, 22 PlacesAfterwards, 72 TransitionsBefore, 18 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 1177 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 756, positive: 642, positive conditional: 0, positive unconditional: 642, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 373, positive: 340, positive conditional: 0, positive unconditional: 340, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 373, positive: 334, positive conditional: 0, positive unconditional: 334, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 756, positive: 302, positive conditional: 0, positive unconditional: 302, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 373, unknown conditional: 0, unknown unconditional: 373] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 922]: integer overflow possible integer overflow possible We found a FailurePath: [L917] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L918] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L927] 0 pthread_t id; [L928] 0 int i; [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [arg={3:0}, i={3:0}, id={2:0}, mutex1={1:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, pthread_create(&id, ((void *)0), t_fun, (void *) &i)=-1] [L920] 1 int *p = (int *) arg; [L922] EXPR 1 \read(*p) [L922] 1 (*p)++ VAL [(*p)++=-2147483650, \read(*p)=-2147483650, arg={3:0}, arg={3:0}, mutex1={1:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, p={3:0}] - UnprovableResult [Line: 931]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 929]: 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: 922]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 91 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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! [2022-07-14 14:03:05,466 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(OVERFLOW)