./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.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_all.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 d3817421489e8c4b22e62c621a5d295134071c97 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_all.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 d3817421489e8c4b22e62c621a5d295134071c97 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:11:07,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:07,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:07,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:07,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:07,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:07,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:07,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:07,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:07,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:07,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:07,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:07,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:07,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:07,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:07,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:07,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:07,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:07,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:07,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:07,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:07,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:07,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:07,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:07,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:07,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:07,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:07,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:07,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:07,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:07,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:07,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:07,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:07,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:07,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:07,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:07,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:07,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:07,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:07,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:07,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:07,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:07,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:07,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:07,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:07,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:07,931 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:07,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:07,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:07,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:07,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:07,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:07,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:07,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:07,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:07,937 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:07,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:07,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:07,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:07,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:07,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:07,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:07,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:07,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:07,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:07,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:07,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:07,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:07,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:07,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:07,946 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 -> d3817421489e8c4b22e62c621a5d295134071c97 [2019-11-27 16:11:08,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:08,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:08,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:08,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:08,557 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:08,558 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-11-27 16:11:08,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf1f55d0/05f5e05f14e94976a03397cd3a8be4d9/FLAG3ab13e936 [2019-11-27 16:11:10,259 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:10,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-11-27 16:11:10,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf1f55d0/05f5e05f14e94976a03397cd3a8be4d9/FLAG3ab13e936 [2019-11-27 16:11:10,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf1f55d0/05f5e05f14e94976a03397cd3a8be4d9 [2019-11-27 16:11:10,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:10,390 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:10,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:10,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:10,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:10,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d57adf0 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 16:11:10,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:10,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:13,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:13,651 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:14,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:15,375 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:15,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:15 WrapperNode [2019-11-27 16:11:15,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:15,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:15,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:15,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:15,404 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 16:11:15,561 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 16:11:15,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:15,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:15,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:15,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:15,903 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 16:11:15,906 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 16:11:15,938 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 16:11:15,941 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 16:11:16,089 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 16:11:16,137 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 16:11:16,181 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 16:11:16,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:16,236 INFO L168 Benchmark]: Toolchain (without parser) took 5842.19 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 749.5 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:16,239 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:16,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4990.24 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 778.2 MB in the end (delta: 183.5 MB). Peak memory consumption was 183.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:16,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 494.91 ms. Allocated memory is still 1.0 GB. Free memory was 778.2 MB in the beginning and 761.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:16,249 INFO L168 Benchmark]: Boogie Preprocessor took 351.45 ms. Allocated memory is still 1.0 GB. Free memory was 761.0 MB in the beginning and 749.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:16,264 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 4990.24 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 778.2 MB in the end (delta: 183.5 MB). Peak memory consumption was 183.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 494.91 ms. Allocated memory is still 1.0 GB. Free memory was 778.2 MB in the beginning and 761.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 351.45 ms. Allocated memory is still 1.0 GB. Free memory was 761.0 MB in the beginning and 749.5 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 16:11:20,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:20,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:20,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:20,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:20,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:20,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:20,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:20,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:20,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:20,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:20,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:20,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:20,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:20,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:20,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:20,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:20,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:20,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:20,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:20,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:20,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:20,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:20,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:20,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:20,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:20,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:20,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:20,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:20,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:20,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:20,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:20,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:20,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:20,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:20,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:20,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:20,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:20,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:20,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:20,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:20,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:20,543 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:20,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:20,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:20,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:20,555 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:20,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:20,555 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:20,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:20,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:20,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:20,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:20,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:20,558 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:20,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:20,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:20,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:20,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:20,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:20,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:20,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:20,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:20,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:20,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:20,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:20,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:20,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:20,567 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:20,567 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:20,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:20,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:20,570 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 -> d3817421489e8c4b22e62c621a5d295134071c97 [2019-11-27 16:11:21,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:21,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:21,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:21,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:21,149 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:21,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-11-27 16:11:21,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09ff16a3f/4eb2d2cb8e464bc89b80891aa2467974/FLAG52cd66487 [2019-11-27 16:11:22,699 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:22,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-11-27 16:11:22,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09ff16a3f/4eb2d2cb8e464bc89b80891aa2467974/FLAG52cd66487 [2019-11-27 16:11:22,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09ff16a3f/4eb2d2cb8e464bc89b80891aa2467974 [2019-11-27 16:11:22,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:22,933 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:22,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:22,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:22,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:22,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:22" (1/1) ... [2019-11-27 16:11:22,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618066f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:22, skipping insertion in model container [2019-11-27 16:11:22,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:22" (1/1) ... [2019-11-27 16:11:22,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:23,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:26,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:26,683 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:27,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:28,468 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:28,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28 WrapperNode [2019-11-27 16:11:28,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:28,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:28,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:28,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:28,502 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 16:11:28,651 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 16:11:28,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:28,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:28,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:28,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:28,912 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 16:11:28,915 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 16:11:28,946 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 16:11:28,947 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 16:11:29,149 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 16:11:29,211 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 16:11:29,254 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 16:11:29,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:29,312 INFO L168 Benchmark]: Toolchain (without parser) took 6375.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 737.8 MB in the end (delta: 218.2 MB). Peak memory consumption was 218.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,313 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 16:11:29,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5535.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 766.4 MB in the end (delta: 189.5 MB). Peak memory consumption was 189.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 415.11 ms. Allocated memory is still 1.0 GB. Free memory was 766.4 MB in the beginning and 749.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,323 INFO L168 Benchmark]: Boogie Preprocessor took 415.62 ms. Allocated memory is still 1.0 GB. Free memory was 749.2 MB in the beginning and 737.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,332 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 5535.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 766.4 MB in the end (delta: 189.5 MB). Peak memory consumption was 189.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 415.11 ms. Allocated memory is still 1.0 GB. Free memory was 766.4 MB in the beginning and 749.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 415.62 ms. Allocated memory is still 1.0 GB. Free memory was 749.2 MB in the beginning and 737.8 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...