./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-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/forester-heap/dll-rb-sentinel-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 3e0675069af96ce2b947856aad4bf6a2d556158b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/forester-heap/dll-rb-sentinel-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 3e0675069af96ce2b947856aad4bf6a2d556158b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:22:38,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:38,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:39,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:39,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:39,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:39,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:39,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:39,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:39,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:39,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:39,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:39,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:39,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:39,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:39,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:39,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:39,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:39,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:39,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:39,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:39,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:39,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:39,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:39,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:39,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:39,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:39,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:39,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:39,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:39,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:39,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:39,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:39,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:39,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:39,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:39,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:39,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:39,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:39,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:39,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:39,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:39,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:39,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:39,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:39,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:39,209 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:39,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:39,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:39,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:39,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:39,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:39,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:39,215 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:39,215 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:39,216 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:39,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:39,216 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:39,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:39,218 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:39,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:39,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:39,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:39,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:39,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:39,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:39,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:39,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:39,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:39,224 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 -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-27 11:22:39,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:39,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:39,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:39,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:39,922 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:39,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 11:22:40,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88af5c20/d3f567cd7e1e48f2bdee439b9caf4951/FLAG25fb75dd3 [2019-11-27 11:22:41,289 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:41,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 11:22:41,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88af5c20/d3f567cd7e1e48f2bdee439b9caf4951/FLAG25fb75dd3 [2019-11-27 11:22:41,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88af5c20/d3f567cd7e1e48f2bdee439b9caf4951 [2019-11-27 11:22:41,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:41,384 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:41,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:41,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:41,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:41,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:41" (1/1) ... [2019-11-27 11:22:41,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:41, skipping insertion in model container [2019-11-27 11:22:41,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:41" (1/1) ... [2019-11-27 11:22:41,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:41,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:42,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:42,434 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:42,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:42,683 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:42,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:42 WrapperNode [2019-11-27 11:22:42,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:42,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:42,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:42,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:42,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:42" (1/1) ... [2019-11-27 11:22:42,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:42" (1/1) ... [2019-11-27 11:22:42,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:42" (1/1) ... [2019-11-27 11:22:42,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:42" (1/1) ... [2019-11-27 11:22:42,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:42" (1/1) ... [2019-11-27 11:22:42,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:42" (1/1) ... [2019-11-27 11:22:42,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:42" (1/1) ... [2019-11-27 11:22:42,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:42,892 INFO L168 Benchmark]: Toolchain (without parser) took 1503.53 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 978.4 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:42,893 INFO L168 Benchmark]: CDTParser took 2.76 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 11:22:42,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1301.93 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:42,911 INFO L168 Benchmark]: Boogie Preprocessor took 192.37 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:42,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.76 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 1301.93 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.37 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 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 11:22:46,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:46,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:46,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:46,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:46,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:46,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:46,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:46,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:46,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:46,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:46,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:46,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:46,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:46,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:46,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:46,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:46,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:46,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:46,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:46,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:46,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:46,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:46,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:46,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:46,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:46,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:46,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:46,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:46,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:46,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:46,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:46,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:46,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:46,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:46,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:46,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:46,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:46,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:46,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:46,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:46,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:22:46,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:46,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:46,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:46,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:46,928 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:46,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:46,930 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:46,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:46,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:46,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:46,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:46,933 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:46,934 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:46,935 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:46,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:46,936 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:46,936 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:22:46,938 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:22:46,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:46,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:46,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:46,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:46,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:46,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:46,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:46,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:46,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:46,942 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:22:46,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:22:46,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:22:46,945 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 -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-27 11:22:47,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:47,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:47,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:47,566 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:47,567 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:47,570 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 11:22:47,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b58d99e/70ffd71913f3488cb5209fba8bb50daa/FLAGab319fa51 [2019-11-27 11:22:48,930 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:48,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 11:22:48,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b58d99e/70ffd71913f3488cb5209fba8bb50daa/FLAGab319fa51 [2019-11-27 11:22:49,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b58d99e/70ffd71913f3488cb5209fba8bb50daa [2019-11-27 11:22:49,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:49,016 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:49,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:49,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:49,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:49,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:49" (1/1) ... [2019-11-27 11:22:49,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:49, skipping insertion in model container [2019-11-27 11:22:49,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:49" (1/1) ... [2019-11-27 11:22:49,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:49,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:50,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:50,108 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:50,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:50,364 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:50,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50 WrapperNode [2019-11-27 11:22:50,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:50,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:50,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:50,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:50,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:50,586 INFO L168 Benchmark]: Toolchain (without parser) took 1570.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.6 MB in the end (delta: -5.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:50,587 INFO L168 Benchmark]: CDTParser took 0.63 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 11:22:50,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1344.86 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 978.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:50,604 INFO L168 Benchmark]: Boogie Preprocessor took 211.66 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:50,614 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 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 1344.86 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 978.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 211.66 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...