./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/AutomizerReach.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aaacdce1ebac170270f1d28946e4127334dd282e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/AutomizerReach.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aaacdce1ebac170270f1d28946e4127334dd282e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:11:07,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:07,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:07,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:07,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:07,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:07,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:07,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:07,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:07,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:07,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:07,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:08,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:08,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:08,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:08,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:08,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:08,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:08,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:08,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:08,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:08,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:08,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:08,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:08,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:08,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:08,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:08,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:08,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:08,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:08,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:08,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:08,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:08,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:08,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:08,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:08,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:08,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:08,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:08,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:08,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:08,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:08,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:08,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:08,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:08,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:08,146 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:08,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:08,146 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:08,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:08,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:08,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:08,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:08,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:08,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:08,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:08,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:08,155 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:08,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:08,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:08,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:08,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:08,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:08,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:08,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:08,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:08,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:08,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:08,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:08,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:08,162 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 ! call(__VERIFIER_error())) ) 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 -> aaacdce1ebac170270f1d28946e4127334dd282e [2019-11-27 16:11:08,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:08,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:08,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:08,775 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:08,778 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:08,779 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2019-11-27 16:11:08,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b31973c3f/6ecad626f417469085beaa7b99ea3f2c/FLAGdddca028c [2019-11-27 16:11:10,388 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:10,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2019-11-27 16:11:10,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b31973c3f/6ecad626f417469085beaa7b99ea3f2c/FLAGdddca028c [2019-11-27 16:11:10,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b31973c3f/6ecad626f417469085beaa7b99ea3f2c [2019-11-27 16:11:10,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:10,650 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:10,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:10,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:10,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:10,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e262158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10, skipping insertion in model container [2019-11-27 16:11:10,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:10,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:14,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:14,219 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:14,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:15,928 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:15,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15 WrapperNode [2019-11-27 16:11:15,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:15,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:15,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:15,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:15,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15" (1/1) ... [2019-11-27 16:11:16,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15" (1/1) ... [2019-11-27 16:11:16,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:16,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:16,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:16,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:16,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15" (1/1) ... [2019-11-27 16:11:16,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15" (1/1) ... [2019-11-27 16:11:16,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15" (1/1) ... [2019-11-27 16:11:16,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15" (1/1) ... [2019-11-27 16:11:16,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15" (1/1) ... [2019-11-27 16:11:16,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15" (1/1) ... [2019-11-27 16:11:16,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15" (1/1) ... [2019-11-27 16:11:16,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:16,821 INFO L168 Benchmark]: Toolchain (without parser) took 6167.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 760.9 MB in the end (delta: 193.6 MB). Peak memory consumption was 193.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:16,823 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:16,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5277.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 783.8 MB in the end (delta: 170.7 MB). Peak memory consumption was 170.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:16,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 466.24 ms. Allocated memory is still 1.0 GB. Free memory was 783.8 MB in the beginning and 772.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:16,835 INFO L168 Benchmark]: Boogie Preprocessor took 412.70 ms. Allocated memory is still 1.0 GB. Free memory was 772.3 MB in the beginning and 760.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:16,843 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 5277.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 783.8 MB in the end (delta: 170.7 MB). Peak memory consumption was 170.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 466.24 ms. Allocated memory is still 1.0 GB. Free memory was 783.8 MB in the beginning and 772.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 412.70 ms. Allocated memory is still 1.0 GB. Free memory was 772.3 MB in the beginning and 760.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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 0.1.24-509859d [2019-11-27 16:11:20,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:20,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:20,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:20,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:20,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:20,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:20,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:20,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:20,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:20,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:20,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:21,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:21,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:21,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:21,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:21,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:21,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:21,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:21,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:21,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:21,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:21,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:21,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:21,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:21,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:21,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:21,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:21,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:21,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:21,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:21,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:21,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:21,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:21,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:21,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:21,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:21,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:21,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:21,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:21,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:21,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:21,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:21,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:21,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:21,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:21,145 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:21,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:21,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:21,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:21,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:21,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:21,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:21,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:21,151 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:21,152 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:21,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:21,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:21,155 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:21,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:21,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:21,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:21,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:21,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:21,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:21,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:21,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:21,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:21,160 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:21,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:21,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:21,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:21,164 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 ! call(__VERIFIER_error())) ) 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 -> aaacdce1ebac170270f1d28946e4127334dd282e [2019-11-27 16:11:21,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:21,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:21,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:21,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:21,812 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:21,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2019-11-27 16:11:21,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b381183ec/7b245e0fcac14bd99f1ee3c076b30fe4/FLAG5bb4f6524 [2019-11-27 16:11:23,480 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:23,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2019-11-27 16:11:23,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b381183ec/7b245e0fcac14bd99f1ee3c076b30fe4/FLAG5bb4f6524 [2019-11-27 16:11:23,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b381183ec/7b245e0fcac14bd99f1ee3c076b30fe4 [2019-11-27 16:11:23,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:23,678 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:23,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:23,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:23,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:23,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f636103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23, skipping insertion in model container [2019-11-27 16:11:23,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:23,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:26,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:26,934 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:27,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:28,803 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:28,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28 WrapperNode [2019-11-27 16:11:28,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:28,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:28,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:28,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:28,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:28,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:29,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:29,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:29,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:29,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:29,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:29,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:29,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:29,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:29,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:29,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:29,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:29,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:29,626 INFO L168 Benchmark]: Toolchain (without parser) took 5943.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 749.4 MB in the end (delta: 205.1 MB). Peak memory consumption was 205.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,627 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:29,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5124.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 772.3 MB in the end (delta: 182.2 MB). Peak memory consumption was 182.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 460.86 ms. Allocated memory is still 1.0 GB. Free memory was 772.3 MB in the beginning and 760.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,637 INFO L168 Benchmark]: Boogie Preprocessor took 346.99 ms. Allocated memory is still 1.0 GB. Free memory was 760.9 MB in the beginning and 749.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 5124.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 772.3 MB in the end (delta: 182.2 MB). Peak memory consumption was 182.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 460.86 ms. Allocated memory is still 1.0 GB. Free memory was 772.3 MB in the beginning and 760.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 346.99 ms. Allocated memory is still 1.0 GB. Free memory was 760.9 MB in the beginning and 749.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...