./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/960521-1-2.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/960521-1-2.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 23619599fdd38727ef203e0659e9a36fd8a9395d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/960521-1-2.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 23619599fdd38727ef203e0659e9a36fd8a9395d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:21:01,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:01,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:01,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:01,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:01,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:01,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:01,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:01,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:01,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:01,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:01,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:01,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:01,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:01,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:01,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:01,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:01,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:01,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:01,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:01,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:01,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:01,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:01,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:01,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:01,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:01,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:01,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:01,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:01,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:01,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:01,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:01,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:01,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:01,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:01,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:01,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:01,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:01,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:01,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:01,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:01,623 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:21:01,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:01,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:01,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:01,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:01,672 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:01,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:01,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:01,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:01,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:01,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:01,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:01,679 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:01,680 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:01,682 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:01,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:01,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:01,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:01,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:01,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:01,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:01,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:01,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:01,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:01,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:01,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:01,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:21:01,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:21:01,690 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 -> 23619599fdd38727ef203e0659e9a36fd8a9395d [2019-11-24 22:21:02,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:02,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:02,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:02,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:02,378 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:02,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-24 22:21:02,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17857ac71/753d33211d344202afd8a60a68f4d8e3/FLAG3dd28c544 [2019-11-24 22:21:03,735 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:03,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-24 22:21:03,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17857ac71/753d33211d344202afd8a60a68f4d8e3/FLAG3dd28c544 [2019-11-24 22:21:03,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17857ac71/753d33211d344202afd8a60a68f4d8e3 [2019-11-24 22:21:03,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:03,820 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:03,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:03,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:03,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:03,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c61759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03, skipping insertion in model container [2019-11-24 22:21:03,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:03,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:04,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:04,852 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:04,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:05,092 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:05,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:05 WrapperNode [2019-11-24 22:21:05,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:05,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:05,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:05,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:05,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:05" (1/1) ... [2019-11-24 22:21:05,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:05" (1/1) ... [2019-11-24 22:21:05,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:05" (1/1) ... [2019-11-24 22:21:05,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:05" (1/1) ... [2019-11-24 22:21:05,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:05" (1/1) ... [2019-11-24 22:21:05,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:05" (1/1) ... [2019-11-24 22:21:05,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:05" (1/1) ... [2019-11-24 22:21:05,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:05,312 INFO L168 Benchmark]: Toolchain (without parser) took 1481.93 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 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:05,313 INFO L168 Benchmark]: CDTParser took 0.73 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. [2019-11-24 22:21:05,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1276.06 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:05,321 INFO L168 Benchmark]: Boogie Preprocessor took 198.28 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:05,330 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 1276.06 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 198.28 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:21:09,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:09,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:09,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:09,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:09,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:09,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:09,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:09,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:09,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:09,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:09,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:09,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:09,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:09,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:09,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:09,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:09,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:09,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:09,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:09,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:09,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:09,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:09,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:09,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:09,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:09,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:09,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:09,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:09,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:09,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:09,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:09,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:09,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:09,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:09,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:09,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:09,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:09,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:09,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:09,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:09,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:09,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:09,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:09,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:09,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:09,527 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:09,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:09,531 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:09,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:09,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:09,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:09,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:09,534 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:09,535 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:09,535 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:09,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:09,537 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:09,537 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:09,537 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:09,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:09,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:09,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:09,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:09,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:09,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:09,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:09,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:09,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:09,546 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:09,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:09,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:09,549 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 -> 23619599fdd38727ef203e0659e9a36fd8a9395d [2019-11-24 22:21:10,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:10,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:10,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:10,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:10,199 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:10,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-24 22:21:10,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43add9194/f8c70f21e3d5413ca0dd88ed57b01fc4/FLAGcf0d22553 [2019-11-24 22:21:11,503 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:11,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-24 22:21:11,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43add9194/f8c70f21e3d5413ca0dd88ed57b01fc4/FLAGcf0d22553 [2019-11-24 22:21:11,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43add9194/f8c70f21e3d5413ca0dd88ed57b01fc4 [2019-11-24 22:21:11,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:11,628 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:11,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:11,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:11,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:11,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:11" (1/1) ... [2019-11-24 22:21:11,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f87cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:11, skipping insertion in model container [2019-11-24 22:21:11,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:11" (1/1) ... [2019-11-24 22:21:11,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:11,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:12,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:12,666 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:12,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:12,923 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:12,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:12 WrapperNode [2019-11-24 22:21:12,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:12,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:12,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:12,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:12,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:12" (1/1) ... [2019-11-24 22:21:12,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:12" (1/1) ... [2019-11-24 22:21:13,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:12" (1/1) ... [2019-11-24 22:21:13,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:12" (1/1) ... [2019-11-24 22:21:13,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:12" (1/1) ... [2019-11-24 22:21:13,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:12" (1/1) ... [2019-11-24 22:21:13,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:12" (1/1) ... [2019-11-24 22:21:13,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:13,130 INFO L168 Benchmark]: Toolchain (without parser) took 1496.10 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:13,133 INFO L168 Benchmark]: CDTParser took 0.47 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 22:21:13,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1292.77 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 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:13,141 INFO L168 Benchmark]: Boogie Preprocessor took 196.01 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. [2019-11-24 22:21:13,150 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 1292.77 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 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 196.01 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...