./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.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/knapsack_alloca_unsafe.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 134c0db99ce5251339642354d8ec6411765b7878 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/knapsack_alloca_unsafe.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 134c0db99ce5251339642354d8ec6411765b7878 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:20:29,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:29,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:29,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:29,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:29,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:29,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:29,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:29,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:29,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:29,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:29,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:29,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:29,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:29,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:29,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:29,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:29,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:29,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:29,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:29,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:29,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:29,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:29,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:29,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:29,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:29,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:29,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:29,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:29,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:29,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:29,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:29,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:29,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:29,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:29,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:29,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:29,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:29,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:29,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:29,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:29,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:29,303 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:29,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:29,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:29,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:29,308 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:29,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:29,311 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:29,311 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:29,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:29,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:29,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:29,313 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:29,313 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:29,313 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:29,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:29,314 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:29,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:29,314 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:29,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:29,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:29,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:29,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:29,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:29,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:29,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:29,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:29,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:29,318 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 -> 134c0db99ce5251339642354d8ec6411765b7878 [2019-11-27 11:20:29,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:29,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:29,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:29,794 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:29,796 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:29,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2019-11-27 11:20:29,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097d62b86/8e4f613ee31f4778adc61f6ec1af6bb7/FLAG5dfb540e9 [2019-11-27 11:20:30,735 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:30,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2019-11-27 11:20:30,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097d62b86/8e4f613ee31f4778adc61f6ec1af6bb7/FLAG5dfb540e9 [2019-11-27 11:20:30,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097d62b86/8e4f613ee31f4778adc61f6ec1af6bb7 [2019-11-27 11:20:30,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:30,953 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:30,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:30,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:30,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:30,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:30" (1/1) ... [2019-11-27 11:20:30,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567e1af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:30, skipping insertion in model container [2019-11-27 11:20:30,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:30" (1/1) ... [2019-11-27 11:20:30,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:31,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:31,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:31,732 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-27 11:20:31,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@376f960b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:31, skipping insertion in model container [2019-11-27 11:20:31,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:31,737 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 11:20:31,755 INFO L168 Benchmark]: Toolchain (without parser) took 785.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:31,756 INFO L168 Benchmark]: CDTParser took 0.64 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 11:20:31,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:31,763 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 772.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 535]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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 11:20:34,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:34,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:34,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:34,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:34,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:34,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:34,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:34,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:34,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:34,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:34,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:34,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:34,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:34,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:34,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:34,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:34,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:34,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:34,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:34,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:34,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:34,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:34,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:34,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:34,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:34,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:34,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:34,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:34,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:34,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:34,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:34,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:34,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:34,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:34,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:34,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:34,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:34,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:34,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:34,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:34,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:34,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:34,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:34,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:34,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:34,787 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:34,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:34,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:34,788 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:34,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:34,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:34,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:34,790 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:34,790 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:34,790 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:34,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:34,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:34,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:34,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:34,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:34,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:34,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:34,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:34,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:34,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:34,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:34,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:34,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:34,796 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:34,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:34,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:34,799 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 -> 134c0db99ce5251339642354d8ec6411765b7878 [2019-11-27 11:20:35,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:35,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:35,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:35,272 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:35,274 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:35,275 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2019-11-27 11:20:35,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9f9d15bd/6798cc7d18564cfe91330e43a709c42e/FLAGd3a0d25c4 [2019-11-27 11:20:36,199 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:36,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2019-11-27 11:20:36,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9f9d15bd/6798cc7d18564cfe91330e43a709c42e/FLAGd3a0d25c4 [2019-11-27 11:20:36,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9f9d15bd/6798cc7d18564cfe91330e43a709c42e [2019-11-27 11:20:36,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:36,422 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:36,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:36,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:36,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:36,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cca9c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36, skipping insertion in model container [2019-11-27 11:20:36,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:36,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:37,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:37,195 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-27 11:20:37,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:37,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:37,299 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:37,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:37,476 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:37,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37 WrapperNode [2019-11-27 11:20:37,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:37,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:37,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:37,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:37,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:37,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:37,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:37,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:37,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:37,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:37,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:37,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:37,622 INFO L168 Benchmark]: Toolchain (without parser) took 1198.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.9 MB in the end (delta: -13.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:37,623 INFO L168 Benchmark]: CDTParser took 1.23 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 11:20:37,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1051.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:37,636 INFO L168 Benchmark]: Boogie Preprocessor took 134.42 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 11:20:37,638 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 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 1051.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 134.42 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...