./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20f541ceeb4d88c1ded29d751212bcde5b7dc0f0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20f541ceeb4d88c1ded29d751212bcde5b7dc0f0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:20:48,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:48,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:48,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:48,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:48,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:49,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:49,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:49,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:49,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:49,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:49,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:49,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:49,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:49,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:49,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:49,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:49,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:49,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:49,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:49,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:49,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:49,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:49,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:49,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:49,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:49,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:49,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:49,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:49,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:49,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:49,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:49,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:49,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:49,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:49,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:49,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:49,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:49,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:49,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:49,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:49,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:49,178 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:49,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:49,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:49,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:49,184 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:49,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:49,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:49,187 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:49,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:49,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:49,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:49,189 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:49,190 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:49,192 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:49,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:49,192 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:49,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:49,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:49,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:49,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:49,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:49,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:49,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:49,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:49,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:49,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:49,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:49,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 20f541ceeb4d88c1ded29d751212bcde5b7dc0f0 [2019-11-27 11:20:49,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:49,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:49,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:49,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:49,816 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:49,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2019-11-27 11:20:49,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeebd4570/9bec3ca106a14000831aba4df645d528/FLAG2c329c212 [2019-11-27 11:20:51,200 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:51,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2019-11-27 11:20:51,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeebd4570/9bec3ca106a14000831aba4df645d528/FLAG2c329c212 [2019-11-27 11:20:51,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeebd4570/9bec3ca106a14000831aba4df645d528 [2019-11-27 11:20:51,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:51,290 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:51,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:51,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:51,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:51,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:51" (1/1) ... [2019-11-27 11:20:51,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:51, skipping insertion in model container [2019-11-27 11:20:51,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:51" (1/1) ... [2019-11-27 11:20:51,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:51,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:52,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:52,366 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:52,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:52,634 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:52,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:52 WrapperNode [2019-11-27 11:20:52,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:52,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:52,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:52,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:52,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:52" (1/1) ... [2019-11-27 11:20:52,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:52" (1/1) ... [2019-11-27 11:20:52,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:52" (1/1) ... [2019-11-27 11:20:52,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:52" (1/1) ... [2019-11-27 11:20:52,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:52" (1/1) ... [2019-11-27 11:20:52,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:52" (1/1) ... [2019-11-27 11:20:52,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:52" (1/1) ... [2019-11-27 11:20:52,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:52,825 INFO L168 Benchmark]: Toolchain (without parser) took 1529.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:52,838 INFO L168 Benchmark]: CDTParser took 2.03 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:52,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:52,843 INFO L168 Benchmark]: Boogie Preprocessor took 175.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:52,849 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.03 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1340.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 175.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:20:56,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:56,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:56,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:56,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:56,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:56,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:56,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:56,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:56,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:56,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:56,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:56,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:56,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:56,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:56,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:56,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:56,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:56,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:56,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:56,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:56,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:56,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:56,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:56,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:56,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:56,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:56,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:56,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:56,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:56,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:56,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:56,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:56,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:56,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:56,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:56,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:56,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:56,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:56,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:56,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:56,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:56,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:56,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:56,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:56,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:56,894 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:56,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:56,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:56,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:56,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:56,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:56,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:56,899 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:56,899 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:56,900 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:56,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:56,902 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:56,903 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:56,903 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:56,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:56,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:56,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:56,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:56,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:56,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:56,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:56,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:56,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:56,911 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:56,911 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:56,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:56,913 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 20f541ceeb4d88c1ded29d751212bcde5b7dc0f0 [2019-11-27 11:20:57,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:57,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:57,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:57,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:57,512 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:57,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2019-11-27 11:20:57,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1711b3d/61aa79ca40ae429ea479589376b30869/FLAG2d3e03c0e [2019-11-27 11:20:58,880 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:58,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2019-11-27 11:20:58,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1711b3d/61aa79ca40ae429ea479589376b30869/FLAG2d3e03c0e [2019-11-27 11:20:58,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1711b3d/61aa79ca40ae429ea479589376b30869 [2019-11-27 11:20:58,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:58,973 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:58,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:58,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:58,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:58,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:58" (1/1) ... [2019-11-27 11:20:58,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f374e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:58, skipping insertion in model container [2019-11-27 11:20:58,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:58" (1/1) ... [2019-11-27 11:20:59,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:59,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:00,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:00,063 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:00,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:00,297 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:00,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00 WrapperNode [2019-11-27 11:21:00,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:00,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:00,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:00,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:00,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:00,509 INFO L168 Benchmark]: Toolchain (without parser) took 1530.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 973.9 MB in the end (delta: -13.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:00,510 INFO L168 Benchmark]: CDTParser took 5.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:00,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1326.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 973.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:00,517 INFO L168 Benchmark]: Boogie Preprocessor took 194.79 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:00,537 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1326.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 973.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.79 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...