./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext2/length_test03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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/memsafety-ext2/length_test03-2.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 2552da43a16cb54d5090a24426eb170717bf5525 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/memsafety-ext2/length_test03-2.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 2552da43a16cb54d5090a24426eb170717bf5525 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:21:31,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:31,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:31,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:31,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:31,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:31,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:31,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:31,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:31,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:31,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:31,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:31,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:31,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:31,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:31,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:31,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:31,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:31,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:31,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:31,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:31,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:31,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:31,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:31,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:31,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:31,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:31,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:31,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:31,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:31,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:31,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:31,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:31,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:31,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:31,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:31,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:31,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:31,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:31,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:31,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:31,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:21:31,950 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:31,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:31,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:31,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:31,960 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:31,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:31,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:31,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:31,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:31,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:31,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:31,965 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:31,965 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:31,966 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:31,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:31,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:31,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:31,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:31,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:31,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:31,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:31,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:31,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:31,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:31,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:31,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:21:31,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:21:31,978 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 -> 2552da43a16cb54d5090a24426eb170717bf5525 [2019-11-24 22:21:32,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:32,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:32,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:32,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:32,626 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:32,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2019-11-24 22:21:32,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275d9dcfd/189556ef97fb4adcbfa5c4c44e83f11d/FLAG0dba4df2a [2019-11-24 22:21:33,954 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:33,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2019-11-24 22:21:33,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275d9dcfd/189556ef97fb4adcbfa5c4c44e83f11d/FLAG0dba4df2a [2019-11-24 22:21:34,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275d9dcfd/189556ef97fb4adcbfa5c4c44e83f11d [2019-11-24 22:21:34,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:34,055 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:34,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:34,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:34,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:34,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34, skipping insertion in model container [2019-11-24 22:21:34,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:34,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:35,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:35,129 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:35,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:35,387 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:35,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:35 WrapperNode [2019-11-24 22:21:35,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:35,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:35,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:35,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:35,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:35" (1/1) ... [2019-11-24 22:21:35,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:35" (1/1) ... [2019-11-24 22:21:35,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:35" (1/1) ... [2019-11-24 22:21:35,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:35" (1/1) ... [2019-11-24 22:21:35,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:35" (1/1) ... [2019-11-24 22:21:35,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:35" (1/1) ... [2019-11-24 22:21:35,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:35" (1/1) ... [2019-11-24 22:21:35,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:35,562 INFO L168 Benchmark]: Toolchain (without parser) took 1501.85 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: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:35,576 INFO L168 Benchmark]: CDTParser took 3.04 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. [2019-11-24 22:21:35,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1335.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:35,583 INFO L168 Benchmark]: Boogie Preprocessor took 157.30 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. [2019-11-24 22:21:35,587 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.04 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 1335.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 157.30 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 0.1.24-32f2683 [2019-11-24 22:21:39,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:39,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:39,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:39,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:39,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:39,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:39,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:39,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:39,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:39,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:39,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:39,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:39,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:39,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:39,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:39,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:39,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:39,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:39,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:39,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:39,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:39,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:39,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:39,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:39,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:39,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:39,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:39,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:39,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:39,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:39,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:39,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:39,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:39,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:39,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:39,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:39,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:39,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:39,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:39,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:39,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:39,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:39,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:39,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:39,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:39,696 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:39,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:39,699 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:39,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:39,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:39,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:39,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:39,702 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:39,702 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:39,703 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:39,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:39,704 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:39,704 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:39,706 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:39,706 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:39,706 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:39,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:39,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:39,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:39,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:39,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:39,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:39,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:39,710 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:39,712 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:39,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:39,714 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 -> 2552da43a16cb54d5090a24426eb170717bf5525 [2019-11-24 22:21:40,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:40,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:40,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:40,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:40,364 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:40,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2019-11-24 22:21:40,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5e882fc7/c9b21545d82541308400f9220037d58a/FLAG5698919eb [2019-11-24 22:21:41,757 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:41,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2019-11-24 22:21:41,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5e882fc7/c9b21545d82541308400f9220037d58a/FLAG5698919eb [2019-11-24 22:21:41,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5e882fc7/c9b21545d82541308400f9220037d58a [2019-11-24 22:21:41,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:41,850 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:41,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:41,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:41,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:41,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:41" (1/1) ... [2019-11-24 22:21:41,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4685ae67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:41, skipping insertion in model container [2019-11-24 22:21:41,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:41" (1/1) ... [2019-11-24 22:21:41,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:42,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:42,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:43,011 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:43,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:43,247 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:43,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:43 WrapperNode [2019-11-24 22:21:43,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:43,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:43,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:43,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:43,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:43" (1/1) ... [2019-11-24 22:21:43,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:43" (1/1) ... [2019-11-24 22:21:43,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:43" (1/1) ... [2019-11-24 22:21:43,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:43" (1/1) ... [2019-11-24 22:21:43,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:43" (1/1) ... [2019-11-24 22:21:43,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:43" (1/1) ... [2019-11-24 22:21:43,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:43" (1/1) ... [2019-11-24 22:21:43,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:43,453 INFO L168 Benchmark]: Toolchain (without parser) took 1594.22 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 972.5 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:43,459 INFO L168 Benchmark]: CDTParser took 0.52 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. [2019-11-24 22:21:43,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:43,469 INFO L168 Benchmark]: Boogie Preprocessor took 192.26 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:43,486 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 1384.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.26 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...