./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 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.24-509859d [2019-11-27 15:41:02,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:02,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:03,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:03,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:03,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:03,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:03,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:03,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:03,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:03,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:03,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:03,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:03,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:03,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:03,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:03,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:03,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:03,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:03,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:03,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:03,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:03,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:03,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:03,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:03,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:03,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:03,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:03,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:03,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:03,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:03,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:03,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:03,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:03,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:03,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:03,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:03,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:03,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:03,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:03,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:03,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:03,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:03,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:03,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:03,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:03,215 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:03,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:03,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:03,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:03,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:03,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:03,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:03,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:03,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:03,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:03,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:03,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:03,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:03,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:03,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:03,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:03,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:03,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:03,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:03,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:03,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:03,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:03,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:03,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:03,231 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 15:41:03,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:03,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:03,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:03,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:03,866 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:03,868 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 15:41:04,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b215850/6bf95aca21274a7bae210b71fa42d8db/FLAG1899f2fdb [2019-11-27 15:41:05,063 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:05,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 15:41:05,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b215850/6bf95aca21274a7bae210b71fa42d8db/FLAG1899f2fdb [2019-11-27 15:41:05,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b215850/6bf95aca21274a7bae210b71fa42d8db [2019-11-27 15:41:05,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:05,133 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:05,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:05,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:05,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:05,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:05,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05, skipping insertion in model container [2019-11-27 15:41:05,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:05,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:05,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:05,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:05,729 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:05,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:05,826 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:05,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05 WrapperNode [2019-11-27 15:41:05,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:05,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:05,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:05,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:05,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:05,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:06,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:06,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:06,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:06,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:06,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:06,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:06,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:06,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:06,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:06,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:06,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:05" (1/1) ... [2019-11-27 15:41:06,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:06,081 INFO L168 Benchmark]: Toolchain (without parser) took 945.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:06,083 INFO L168 Benchmark]: CDTParser took 3.19 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:06,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.24 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:06,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:06,107 INFO L168 Benchmark]: Boogie Preprocessor took 72.86 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. [2019-11-27 15:41:06,120 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.19 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 692.24 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.86 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:41:09,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:09,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:09,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:09,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:09,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:09,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:09,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:09,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:09,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:09,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:09,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:09,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:09,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:09,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:09,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:09,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:09,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:09,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:09,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:09,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:09,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:10,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:10,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:10,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:10,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:10,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:10,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:10,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:10,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:10,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:10,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:10,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:10,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:10,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:10,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:10,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:10,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:10,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:10,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:10,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:10,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:10,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:10,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:10,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:10,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:10,101 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:10,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:10,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:10,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:10,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:10,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:10,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:10,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:10,106 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:10,107 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:10,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:10,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:10,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:10,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:10,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:10,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:10,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:10,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:10,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:10,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:10,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:10,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:10,116 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:10,116 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:10,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:10,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:10,118 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 15:41:10,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:10,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:10,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:10,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:10,757 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:10,758 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 15:41:10,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f22b5d772/9ea9a85ec1ba4301b970fd459986031f/FLAG8bb52c1e4 [2019-11-27 15:41:11,893 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:11,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 15:41:11,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f22b5d772/9ea9a85ec1ba4301b970fd459986031f/FLAG8bb52c1e4 [2019-11-27 15:41:12,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f22b5d772/9ea9a85ec1ba4301b970fd459986031f [2019-11-27 15:41:12,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:12,076 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:12,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:12,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:12,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:12,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216a4388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12, skipping insertion in model container [2019-11-27 15:41:12,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:12,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:12,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:12,637 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:12,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:12,730 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:12,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12 WrapperNode [2019-11-27 15:41:12,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:12,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:12,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:12,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:12,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:12,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:12,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:12,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:12,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:12" (1/1) ... [2019-11-27 15:41:12,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:12,970 INFO L168 Benchmark]: Toolchain (without parser) took 887.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.3 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:12,972 INFO L168 Benchmark]: CDTParser took 0.33 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 15:41:12,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.23 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:12,976 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 991.3 MB in the end (delta: -39.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:12,977 INFO L168 Benchmark]: Boogie Preprocessor took 56.69 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:12,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 657.23 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 164.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 991.3 MB in the end (delta: -39.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.69 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...