./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/modulus-1.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 47b0bc17 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/bitvector/modulus-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6253a401c5a2a2b8eab18bffe82737a5c816300f --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:49:45,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:49:45,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:49:45,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:49:45,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:49:45,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:49:45,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:49:45,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:49:45,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:49:45,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:49:45,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:49:45,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:49:45,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:49:45,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:49:45,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:49:45,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:49:45,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:49:45,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:49:45,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:49:46,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:49:46,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:49:46,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:49:46,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:49:46,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:49:46,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:49:46,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:49:46,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:49:46,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:49:46,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:49:46,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:49:46,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:49:46,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:49:46,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:49:46,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:49:46,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:49:46,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:49:46,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:49:46,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:49:46,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:49:46,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:49:46,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:49:46,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-20 23:49:46,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:49:46,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:49:46,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:49:46,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:49:46,120 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:49:46,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:49:46,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 23:49:46,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:49:46,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:49:46,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 23:49:46,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:49:46,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 23:49:46,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:49:46,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 23:49:46,132 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 23:49:46,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 23:49:46,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:49:46,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:49:46,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 23:49:46,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:49:46,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:49:46,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:49:46,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:49:46,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:49:46,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:49:46,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:49:46,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 23:49:46,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:49:46,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 23:49:46,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 23:49:46,148 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 ! overflow) ) 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 -> 6253a401c5a2a2b8eab18bffe82737a5c816300f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:49:46,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:49:46,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:49:46,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:49:46,783 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:49:46,785 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:49:46,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/modulus-1.i [2019-11-20 23:49:46,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8d2372e3/e816a7b4e5b04ef58b2e2de6c1b7ca1d/FLAG91ecd72e0 [2019-11-20 23:49:48,072 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:49:48,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-1.i [2019-11-20 23:49:48,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8d2372e3/e816a7b4e5b04ef58b2e2de6c1b7ca1d/FLAG91ecd72e0 [2019-11-20 23:49:48,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8d2372e3/e816a7b4e5b04ef58b2e2de6c1b7ca1d [2019-11-20 23:49:48,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:49:48,149 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:49:48,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:49:48,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:49:48,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:49:48,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:48,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd778a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48, skipping insertion in model container [2019-11-20 23:49:48,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:48,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:49:48,246 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:49:48,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:49:48,668 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:49:48,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:49:48,854 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:49:48,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48 WrapperNode [2019-11-20 23:49:48,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:49:48,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 23:49:48,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 23:49:48,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 23:49:48,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:48,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:48,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 23:49:48,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:49:48,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:49:48,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:49:48,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:48,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:49,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:49,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:49,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:49,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:49,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2019-11-20 23:49:49,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:49:49,066 INFO L168 Benchmark]: Toolchain (without parser) took 910.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:49:49,067 INFO L168 Benchmark]: CDTParser took 1.46 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. [2019-11-20 23:49:49,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.38 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-20 23:49:49,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.17 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:49:49,075 INFO L168 Benchmark]: Boogie Preprocessor took 86.24 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-20 23:49:49,090 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 707.38 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 108.17 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 86.24 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...