./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c -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 579bc16896f0e20e11afe49ee7ceb82dfd52b156 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/ntdrivers-simplified/floppy_simpl4.cil-1.c -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 579bc16896f0e20e11afe49ee7ceb82dfd52b156 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:32:34,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:34,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:34,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:34,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:34,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:34,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:34,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:34,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:34,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:34,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:34,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:34,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:34,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:34,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:34,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:34,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:34,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:34,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:34,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:34,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:34,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:34,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:34,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:34,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:34,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:34,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:34,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:34,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:34,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:34,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:34,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:34,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:34,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:34,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:34,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:34,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:34,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:34,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:34,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:34,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:34,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:32:34,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:34,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:34,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:34,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:34,884 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:34,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:34,884 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:34,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:32:34,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:34,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:34,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:34,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:34,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:34,892 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:34,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:34,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:34,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:34,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:34,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:34,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:34,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:34,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:34,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:34,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:34,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:34,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:32:34,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:32:34,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:34,900 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 -> 579bc16896f0e20e11afe49ee7ceb82dfd52b156 [2019-11-26 16:32:35,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:35,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:35,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:35,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:35,483 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:35,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 16:32:35,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8988265ea/328abf24ee4a4831b6d272a1c27aa968/FLAG26e9bf951 [2019-11-26 16:32:36,887 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:36,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 16:32:36,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8988265ea/328abf24ee4a4831b6d272a1c27aa968/FLAG26e9bf951 [2019-11-26 16:32:36,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8988265ea/328abf24ee4a4831b6d272a1c27aa968 [2019-11-26 16:32:36,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:36,974 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:36,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:36,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:36,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:36,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:36" (1/1) ... [2019-11-26 16:32:37,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72e966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37, skipping insertion in model container [2019-11-26 16:32:37,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:36" (1/1) ... [2019-11-26 16:32:37,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:37,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:38,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:38,234 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:38,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:38,519 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:38,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38 WrapperNode [2019-11-26 16:32:38,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:38,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:38,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:38,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:38,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38" (1/1) ... [2019-11-26 16:32:38,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38" (1/1) ... [2019-11-26 16:32:38,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:38,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:38,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:38,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:38,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38" (1/1) ... [2019-11-26 16:32:38,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38" (1/1) ... [2019-11-26 16:32:38,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38" (1/1) ... [2019-11-26 16:32:38,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38" (1/1) ... [2019-11-26 16:32:39,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38" (1/1) ... [2019-11-26 16:32:39,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38" (1/1) ... [2019-11-26 16:32:39,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:38" (1/1) ... [2019-11-26 16:32:39,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:39,151 INFO L168 Benchmark]: Toolchain (without parser) took 2166.68 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 961.1 MB in the end (delta: 638.5 kB). Peak memory consumption was 704.1 kB. Max. memory is 12.5 GB. [2019-11-26 16:32:39,152 INFO L168 Benchmark]: CDTParser took 0.87 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 16:32:39,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1540.96 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:39,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 335.38 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 966.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:39,159 INFO L168 Benchmark]: Boogie Preprocessor took 275.07 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:39,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 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 1540.96 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 335.38 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 966.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 275.07 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 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 16:32:42,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:42,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:42,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:42,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:42,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:42,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:42,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:43,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:43,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:43,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:43,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:43,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:43,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:43,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:43,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:43,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:43,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:43,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:43,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:43,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:43,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:43,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:43,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:43,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:43,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:43,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:43,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:43,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:43,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:43,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:43,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:43,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:43,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:43,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:43,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:43,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:43,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:43,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:43,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:43,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:43,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:32:43,152 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:43,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:43,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:43,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:43,163 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:43,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:43,166 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:43,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:43,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:43,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:43,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:43,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:43,171 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:32:43,172 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:32:43,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:43,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:43,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:43,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:43,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:43,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:43,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:43,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:43,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:43,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:43,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:43,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:43,180 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:32:43,180 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:32:43,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:43,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:32:43,186 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 -> 579bc16896f0e20e11afe49ee7ceb82dfd52b156 [2019-11-26 16:32:43,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:43,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:43,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:43,767 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:43,767 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:43,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 16:32:43,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef83d7ee/6c9f9e4a644442ef81c6ded7e62eba82/FLAG6160041c4 [2019-11-26 16:32:45,174 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:45,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 16:32:45,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef83d7ee/6c9f9e4a644442ef81c6ded7e62eba82/FLAG6160041c4 [2019-11-26 16:32:45,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef83d7ee/6c9f9e4a644442ef81c6ded7e62eba82 [2019-11-26 16:32:45,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:45,268 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:45,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:45,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:45,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:45,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12144453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45, skipping insertion in model container [2019-11-26 16:32:45,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:45,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:46,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:46,564 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:46,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:46,940 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:46,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46 WrapperNode [2019-11-26 16:32:46,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:46,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:46,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:46,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:46,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:47,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:47,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:47,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:47,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:47,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:47,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:47,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:47,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:47,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:47,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:47,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:47,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:47,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:47,553 INFO L168 Benchmark]: Toolchain (without parser) took 2278.37 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 961.0 MB in the end (delta: 651.2 kB). Peak memory consumption was 716.7 kB. Max. memory is 12.5 GB. [2019-11-26 16:32:47,557 INFO L168 Benchmark]: CDTParser took 0.44 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 16:32:47,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1670.59 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:47,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 304.63 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 966.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:47,568 INFO L168 Benchmark]: Boogie Preprocessor took 296.38 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:47,577 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1670.59 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 304.63 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 966.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 296.38 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.0 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...