./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/modulus-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-2.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 c028dc478ad08c52f1db2e76a15a3094442b18a8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/bitvector/modulus-2.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 c028dc478ad08c52f1db2e76a15a3094442b18a8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:12,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:12,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:13,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:13,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:13,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:13,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:13,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:13,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:13,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:13,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:13,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:13,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:13,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:13,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:13,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:13,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:13,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:13,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:13,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:13,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:13,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:13,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:13,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:13,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:13,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:13,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:13,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:13,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:13,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:13,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:13,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:13,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:13,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:13,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:13,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:13,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:13,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:13,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:13,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:13,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:13,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:13,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:13,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:13,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:13,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:13,148 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:13,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:13,150 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:13,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:13,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:13,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:13,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:13,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:13,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:13,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:13,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:13,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:13,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:13,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:13,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:13,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:13,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:13,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:13,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:13,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:13,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:13,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:13,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:13,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:13,160 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 -> c028dc478ad08c52f1db2e76a15a3094442b18a8 [2019-11-27 09:19:13,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:13,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:13,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:13,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:13,625 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:13,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 09:19:13,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73268e541/04e4e64afefb401a9061822b6a5c001d/FLAG4907afd88 [2019-11-27 09:19:14,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:14,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 09:19:14,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73268e541/04e4e64afefb401a9061822b6a5c001d/FLAG4907afd88 [2019-11-27 09:19:14,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73268e541/04e4e64afefb401a9061822b6a5c001d [2019-11-27 09:19:14,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:14,780 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:14,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:14,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:14,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:14,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:14" (1/1) ... [2019-11-27 09:19:14,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccb7bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:14, skipping insertion in model container [2019-11-27 09:19:14,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:14" (1/1) ... [2019-11-27 09:19:14,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:14,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:15,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:15,142 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:15,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:15,260 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:15,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15 WrapperNode [2019-11-27 09:19:15,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:15,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:15,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:15,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:15,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:15,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:15,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:15,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:15,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:15,378 INFO L168 Benchmark]: Toolchain (without parser) took 595.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 990.0 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:15,381 INFO L168 Benchmark]: CDTParser took 0.83 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 09:19:15,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 995.7 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:15,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.31 ms. Allocated memory is still 1.0 GB. Free memory is still 995.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:15,400 INFO L168 Benchmark]: Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.0 GB. Free memory was 995.7 MB in the beginning and 990.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:15,408 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 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 484.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 995.7 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 63.31 ms. Allocated memory is still 1.0 GB. Free memory is still 995.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.0 GB. Free memory was 995.7 MB in the beginning and 990.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:18,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:18,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:18,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:18,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:18,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:18,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:18,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:18,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:18,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:18,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:18,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:18,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:18,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:18,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:18,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:18,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:18,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:18,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:18,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:18,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:18,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:18,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:18,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:18,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:18,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:18,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:18,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:18,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:18,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:18,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:18,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:18,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:18,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:18,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:18,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:18,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:18,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:18,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:18,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:18,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:18,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:19:18,339 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:18,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:18,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:18,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:18,346 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:18,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:18,347 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:18,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:18,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:18,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:18,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:18,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:18,349 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:19:18,350 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:19:18,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:18,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:18,353 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:18,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:18,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:18,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:18,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:18,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:18,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:18,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:18,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:18,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:18,355 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:19:18,355 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:19:18,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:18,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:19:18,359 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 -> c028dc478ad08c52f1db2e76a15a3094442b18a8 [2019-11-27 09:19:18,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:18,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:18,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:18,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:18,845 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:18,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 09:19:18,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0485399c1/9e288ff72e40473c8afb7bbd8007d1c5/FLAGb9c3a63ef [2019-11-27 09:19:19,705 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:19,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 09:19:19,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0485399c1/9e288ff72e40473c8afb7bbd8007d1c5/FLAGb9c3a63ef [2019-11-27 09:19:20,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0485399c1/9e288ff72e40473c8afb7bbd8007d1c5 [2019-11-27 09:19:20,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:20,027 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:20,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:20,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:20,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:20,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9cbd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20, skipping insertion in model container [2019-11-27 09:19:20,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:20,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:20,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:20,418 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:20,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:20,526 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:20,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20 WrapperNode [2019-11-27 09:19:20,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:20,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:20,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:20,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:20,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:20,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:20,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:20,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:20,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:20" (1/1) ... [2019-11-27 09:19:20,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:20,637 INFO L168 Benchmark]: Toolchain (without parser) took 593.31 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 989.8 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:20,640 INFO L168 Benchmark]: CDTParser took 1.99 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 09:19:20,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.14 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 995.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:20,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.93 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:20,644 INFO L168 Benchmark]: Boogie Preprocessor took 37.85 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:20,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99 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 502.14 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 995.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 46.93 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 37.85 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.8 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...