java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-66639aa [2018-11-20 15:05:43,702 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-20 15:05:43,704 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-20 15:05:43,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-20 15:05:43,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-20 15:05:43,718 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-20 15:05:43,719 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-20 15:05:43,722 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-20 15:05:43,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-20 15:05:43,725 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-20 15:05:43,727 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-20 15:05:43,728 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-20 15:05:43,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-20 15:05:43,729 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-20 15:05:43,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-20 15:05:43,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-20 15:05:43,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-20 15:05:43,734 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-20 15:05:43,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-20 15:05:43,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-20 15:05:43,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-20 15:05:43,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-20 15:05:43,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-20 15:05:43,753 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-20 15:05:43,754 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-20 15:05:43,755 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-20 15:05:43,756 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-20 15:05:43,756 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-20 15:05:43,780 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-20 15:05:43,780 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-20 15:05:43,781 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-20 15:05:43,782 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-20 15:05:43,782 INFO L133 SettingsManager]: * Use SBE=true [2018-11-20 15:05:43,782 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-20 15:05:43,782 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-20 15:05:43,783 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-20 15:05:43,783 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-20 15:05:43,783 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-20 15:05:43,783 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-20 15:05:43,783 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-20 15:05:43,783 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-20 15:05:43,785 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-20 15:05:43,786 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-20 15:05:43,786 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-20 15:05:43,786 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-20 15:05:43,786 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-20 15:05:43,786 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-20 15:05:43,787 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-20 15:05:43,787 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-20 15:05:43,787 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-20 15:05:43,787 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-20 15:05:43,787 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-20 15:05:43,787 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-20 15:05:43,788 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-20 15:05:43,788 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-20 15:05:43,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-20 15:05:43,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-20 15:05:43,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-20 15:05:43,866 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-20 15:05:43,866 INFO L276 PluginConnector]: CDTParser initialized [2018-11-20 15:05:43,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-11-20 15:05:43,928 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a035e8a44/39a7d3aa70f9414cbe155a96fdb7b662/FLAGa0f48cc41 [2018-11-20 15:05:44,315 INFO L307 CDTParser]: Found 1 translation units. [2018-11-20 15:05:44,316 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-11-20 15:05:44,321 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a035e8a44/39a7d3aa70f9414cbe155a96fdb7b662/FLAGa0f48cc41 [2018-11-20 15:05:44,691 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a035e8a44/39a7d3aa70f9414cbe155a96fdb7b662 [2018-11-20 15:05:44,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-20 15:05:44,702 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-20 15:05:44,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-20 15:05:44,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-20 15:05:44,707 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-20 15:05:44,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:05:44" (1/1) ... [2018-11-20 15:05:44,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763c6e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:44, skipping insertion in model container [2018-11-20 15:05:44,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:05:44" (1/1) ... [2018-11-20 15:05:44,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-20 15:05:44,749 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-20 15:05:44,992 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-20 15:05:45,008 INFO L191 MainTranslator]: Completed pre-run [2018-11-20 15:05:45,036 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-20 15:05:45,059 INFO L195 MainTranslator]: Completed translation [2018-11-20 15:05:45,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:45 WrapperNode [2018-11-20 15:05:45,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-20 15:05:45,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-20 15:05:45,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-20 15:05:45,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-20 15:05:45,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:45" (1/1) ... [2018-11-20 15:05:45,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:45" (1/1) ... [2018-11-20 15:05:45,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:45" (1/1) ... [2018-11-20 15:05:45,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:45" (1/1) ... [2018-11-20 15:05:45,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:45" (1/1) ... [2018-11-20 15:05:45,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:45" (1/1) ... [2018-11-20 15:05:45,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:45" (1/1) ... [2018-11-20 15:05:45,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-20 15:05:45,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-20 15:05:45,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-20 15:05:45,100 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-20 15:05:45,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:05:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-20 15:05:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-20 15:05:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-20 15:05:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cstrncat [2018-11-20 15:05:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-20 15:05:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-20 15:05:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure cstrncat [2018-11-20 15:05:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-20 15:05:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-20 15:05:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-20 15:05:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-20 15:05:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-20 15:05:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-20 15:05:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-20 15:05:46,103 INFO L271 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-20 15:05:46,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:05:46 BoogieIcfgContainer [2018-11-20 15:05:46,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-20 15:05:46,106 INFO L168 Benchmark]: Toolchain (without parser) took 1405.21 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 673.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -687.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2018-11-20 15:05:46,109 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-20 15:05:46,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-20 15:05:46,111 INFO L168 Benchmark]: Boogie Preprocessor took 38.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-20 15:05:46,111 INFO L168 Benchmark]: RCFGBuilder took 1004.41 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 673.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -697.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2018-11-20 15:05:46,116 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 357.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1004.41 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 673.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -697.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...