./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/simple_built_from_end.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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/list-properties/simple_built_from_end.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 41b5142f2d6582efd6d9a128e4dfef83faaab097 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/list-properties/simple_built_from_end.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 41b5142f2d6582efd6d9a128e4dfef83faaab097 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:27,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:27,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:27,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:27,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:27,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:27,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:27,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:27,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:27,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:27,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:27,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:27,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:27,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:27,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:27,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:27,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:27,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:27,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:27,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:27,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:27,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:27,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:27,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:27,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:27,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:27,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:27,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:27,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:27,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:27,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:27,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:27,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:27,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:27,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:27,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:27,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:27,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:27,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:27,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:27,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:27,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:27,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:27,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:27,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:27,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:27,206 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:27,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:27,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:27,207 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:27,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:27,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:27,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:27,208 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:27,209 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:27,209 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:27,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:27,209 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:27,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:27,210 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:27,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:27,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:27,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:27,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:27,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:27,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:27,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:27,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:27,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:27,215 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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-11-26 00:27:27,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:27,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:27,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:27,651 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:27,653 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:27,654 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-26 00:27:27,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d467e86/f663c874203f4ce684bc01e0960ba22a/FLAG1c0f91a8b [2019-11-26 00:27:28,662 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:28,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-26 00:27:28,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d467e86/f663c874203f4ce684bc01e0960ba22a/FLAG1c0f91a8b [2019-11-26 00:27:28,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d467e86/f663c874203f4ce684bc01e0960ba22a [2019-11-26 00:27:28,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:28,820 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:28,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:28,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:28,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:28,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:28,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28, skipping insertion in model container [2019-11-26 00:27:28,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:28,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:28,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:29,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:29,521 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:29,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:29,691 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:29,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29 WrapperNode [2019-11-26 00:27:29,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:29,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:29,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:29,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:29,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:29,817 INFO L168 Benchmark]: Toolchain (without parser) took 997.13 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 978.3 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:29,832 INFO L168 Benchmark]: CDTParser took 1.20 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. [2019-11-26 00:27:29,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.84 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 978.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:29,837 INFO L168 Benchmark]: Boogie Preprocessor took 116.04 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:29,842 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 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 871.84 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 978.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 116.04 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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 0.1.24-65d6cd2 [2019-11-26 00:27:32,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:32,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:32,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:32,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:32,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:32,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:32,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:32,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:32,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:32,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:32,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:32,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:32,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:32,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:32,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:32,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:32,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:32,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:32,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:32,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:32,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:32,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:32,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:32,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:32,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:32,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:32,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:32,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:32,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:32,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:32,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:32,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:32,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:32,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:32,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:32,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:32,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:32,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:32,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:32,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:32,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:32,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:32,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:32,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:32,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:32,690 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:32,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:32,691 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:32,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:32,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:32,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:32,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:32,695 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:32,695 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:32,696 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:32,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:32,696 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:32,696 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:32,696 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:32,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:32,697 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:32,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:32,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:32,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:32,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:32,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:32,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:32,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:32,701 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:32,701 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:32,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:32,703 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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-11-26 00:27:33,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:33,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:33,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:33,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:33,148 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:33,151 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-26 00:27:33,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed77a08bc/caf8981d85934d7ea4981d4e37989e19/FLAG0518bf4c3 [2019-11-26 00:27:34,085 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:34,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-26 00:27:34,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed77a08bc/caf8981d85934d7ea4981d4e37989e19/FLAG0518bf4c3 [2019-11-26 00:27:34,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed77a08bc/caf8981d85934d7ea4981d4e37989e19 [2019-11-26 00:27:34,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:34,286 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:34,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:34,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:34,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:34,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:34" (1/1) ... [2019-11-26 00:27:34,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702095a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:34, skipping insertion in model container [2019-11-26 00:27:34,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:34" (1/1) ... [2019-11-26 00:27:34,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:34,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:35,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:35,063 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:35,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:35,252 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:35,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:35 WrapperNode [2019-11-26 00:27:35,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:35,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:35,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:35,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:35,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:35" (1/1) ... [2019-11-26 00:27:35,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:35" (1/1) ... [2019-11-26 00:27:35,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:35" (1/1) ... [2019-11-26 00:27:35,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:35" (1/1) ... [2019-11-26 00:27:35,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:35" (1/1) ... [2019-11-26 00:27:35,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:35" (1/1) ... [2019-11-26 00:27:35,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:35" (1/1) ... [2019-11-26 00:27:35,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:35,398 INFO L168 Benchmark]: Toolchain (without parser) took 1109.19 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. [2019-11-26 00:27:35,399 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-26 00:27:35,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 967.78 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 26.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:35,400 INFO L168 Benchmark]: Boogie Preprocessor took 136.86 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. [2019-11-26 00:27:35,404 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 967.78 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 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 136.86 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...