./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/verifythis/elimination_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 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/verifythis/elimination_max.c -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 2e9d0e89ee237165e6cd15cb730148b321ca31eb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/elimination_max.c -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 2e9d0e89ee237165e6cd15cb730148b321ca31eb ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:56:06,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:56:06,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:56:06,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:56:06,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:56:06,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:56:06,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:56:06,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:56:06,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:56:06,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:56:06,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:56:06,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:56:06,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:56:06,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:56:06,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:56:06,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:56:06,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:56:06,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:56:06,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:56:06,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:56:06,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:56:06,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:56:06,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:56:06,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:56:06,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:56:06,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:56:06,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:56:06,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:56:06,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:56:06,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:56:06,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:56:06,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:56:06,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:56:06,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:56:06,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:56:06,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:56:06,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:56:06,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:56:06,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:56:06,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:56:06,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:56:06,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:56:06,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:56:06,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:56:06,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:56:06,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:56:06,596 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:56:06,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:56:06,597 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:56:06,597 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:56:06,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:56:06,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:56:06,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:56:06,600 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:56:06,601 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:56:06,602 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:56:06,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:56:06,604 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:56:06,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:56:06,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:56:06,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:56:06,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:56:06,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:56:06,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:56:06,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:56:06,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:56:06,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:56:06,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:56:06,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:56:06,612 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 -> 2e9d0e89ee237165e6cd15cb730148b321ca31eb [2019-11-26 17:56:07,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:56:07,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:56:07,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:56:07,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:56:07,320 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:56:07,321 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max.c [2019-11-26 17:56:07,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433c1f5ca/ef03283b1a3f43f79fbd2cc011464a0b/FLAGa0f96c388 [2019-11-26 17:56:08,585 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:56:08,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max.c [2019-11-26 17:56:08,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433c1f5ca/ef03283b1a3f43f79fbd2cc011464a0b/FLAGa0f96c388 [2019-11-26 17:56:08,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433c1f5ca/ef03283b1a3f43f79fbd2cc011464a0b [2019-11-26 17:56:08,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:56:08,657 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:56:08,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:08,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:56:08,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:56:08,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:08" (1/1) ... [2019-11-26 17:56:08,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7ae881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:08, skipping insertion in model container [2019-11-26 17:56:08,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:08" (1/1) ... [2019-11-26 17:56:08,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:56:08,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:56:09,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:56:09,240 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:56:09,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:56:09,408 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:56:09,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09 WrapperNode [2019-11-26 17:56:09,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:09,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:56:09,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:56:09,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:56:09,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:56:09,548 INFO L168 Benchmark]: Toolchain (without parser) took 886.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.1 MB in the end (delta: -25.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:56:09,563 INFO L168 Benchmark]: CDTParser took 2.13 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:56:09,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:56:09,567 INFO L168 Benchmark]: Boogie Preprocessor took 129.86 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:56:09,578 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.13 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 747.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.86 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:56:13,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:56:13,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:56:13,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:56:13,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:56:13,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:56:13,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:56:13,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:56:13,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:56:13,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:56:13,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:56:13,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:56:13,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:56:13,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:56:13,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:56:13,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:56:13,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:56:13,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:56:13,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:56:13,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:56:13,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:56:13,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:56:13,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:56:13,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:56:13,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:56:13,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:56:13,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:56:13,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:56:13,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:56:13,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:56:13,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:56:13,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:56:13,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:56:13,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:56:13,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:56:13,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:56:13,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:56:13,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:56:13,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:56:13,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:56:13,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:56:13,826 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:56:13,867 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:56:13,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:56:13,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:56:13,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:56:13,875 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:56:13,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:56:13,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:56:13,877 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:56:13,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:56:13,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:56:13,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:56:13,882 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:56:13,882 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:56:13,882 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:56:13,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:56:13,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:56:13,884 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:56:13,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:56:13,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:56:13,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:56:13,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:56:13,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:56:13,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:56:13,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:56:13,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:56:13,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:56:13,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:56:13,892 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:56:13,892 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:56:13,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:56:13,894 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 -> 2e9d0e89ee237165e6cd15cb730148b321ca31eb [2019-11-26 17:56:14,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:56:14,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:56:14,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:56:14,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:56:14,548 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:56:14,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max.c [2019-11-26 17:56:14,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93208fa12/28fe48c87a004dc59d8c4e230286d68c/FLAGee62c2231 [2019-11-26 17:56:15,811 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:56:15,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max.c [2019-11-26 17:56:15,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93208fa12/28fe48c87a004dc59d8c4e230286d68c/FLAGee62c2231 [2019-11-26 17:56:15,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93208fa12/28fe48c87a004dc59d8c4e230286d68c [2019-11-26 17:56:15,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:56:15,887 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:56:15,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:15,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:56:15,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:56:15,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:15" (1/1) ... [2019-11-26 17:56:15,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cca9c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:15, skipping insertion in model container [2019-11-26 17:56:15,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:15" (1/1) ... [2019-11-26 17:56:15,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:56:15,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:56:16,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:56:16,473 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:56:16,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:56:16,642 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:56:16,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16 WrapperNode [2019-11-26 17:56:16,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:16,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:56:16,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:56:16,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:56:16,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:56:16,789 INFO L168 Benchmark]: Toolchain (without parser) took 901.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:56:16,791 INFO L168 Benchmark]: CDTParser took 2.90 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:56:16,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.16 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:56:16,794 INFO L168 Benchmark]: Boogie Preprocessor took 137.86 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:56:16,807 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.90 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 755.16 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 137.86 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 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...