./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/divbin.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/nla-digbench/divbin.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 ac688db0a5759c1fe5bdf21d6f8667ab2b6a1b56 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nla-digbench/divbin.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 ac688db0a5759c1fe5bdf21d6f8667ab2b6a1b56 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:14:31,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:31,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:31,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:31,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:31,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:31,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:31,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:31,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:31,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:31,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:31,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:31,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:31,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:31,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:31,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:31,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:31,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:31,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:31,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:31,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:31,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:31,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:31,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:31,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:31,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:31,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:31,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:31,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:31,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:31,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:31,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:31,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:31,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:31,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:31,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:31,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:31,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:31,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:31,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:31,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:31,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:14:31,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:31,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:31,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:31,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:31,926 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:31,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:31,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:31,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:14:31,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:31,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:31,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:31,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:31,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:31,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:31,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:31,931 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:31,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:31,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:31,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:31,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:31,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:31,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:31,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:31,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:31,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:31,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:14:31,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:14:31,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:31,937 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 -> ac688db0a5759c1fe5bdf21d6f8667ab2b6a1b56 [2019-11-27 16:14:32,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:32,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:32,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:32,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:32,453 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:32,454 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/divbin.i [2019-11-27 16:14:32,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3393981b/b15198a136034674beae736a564ce793/FLAG605b4c32d [2019-11-27 16:14:33,291 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:33,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/divbin.i [2019-11-27 16:14:33,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3393981b/b15198a136034674beae736a564ce793/FLAG605b4c32d [2019-11-27 16:14:33,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3393981b/b15198a136034674beae736a564ce793 [2019-11-27 16:14:33,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:33,637 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:33,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:33,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:33,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:33,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:33,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5553a1b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33, skipping insertion in model container [2019-11-27 16:14:33,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:33,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:33,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:33,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:33,973 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:34,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:34,015 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:34,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34 WrapperNode [2019-11-27 16:14:34,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:34,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:34,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:34,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:34,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34" (1/1) ... [2019-11-27 16:14:34,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34" (1/1) ... [2019-11-27 16:14:34,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:34,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:34,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:34,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:34,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34" (1/1) ... [2019-11-27 16:14:34,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34" (1/1) ... [2019-11-27 16:14:34,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34" (1/1) ... [2019-11-27 16:14:34,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34" (1/1) ... [2019-11-27 16:14:34,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34" (1/1) ... [2019-11-27 16:14:34,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34" (1/1) ... [2019-11-27 16:14:34,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:34" (1/1) ... [2019-11-27 16:14:34,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:34,184 INFO L168 Benchmark]: Toolchain (without parser) took 541.88 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 997.0 MB in the end (delta: -36.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:34,186 INFO L168 Benchmark]: CDTParser took 1.67 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:34,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:34,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:34,206 INFO L168 Benchmark]: Boogie Preprocessor took 33.72 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. [2019-11-27 16:14:34,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67 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 377.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 124.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 33.72 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:14:36,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:36,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:36,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:36,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:36,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:36,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:37,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:37,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:37,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:37,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:37,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:37,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:37,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:37,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:37,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:37,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:37,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:37,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:37,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:37,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:37,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:37,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:37,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:37,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:37,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:37,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:37,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:37,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:37,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:37,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:37,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:37,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:37,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:37,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:37,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:37,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:37,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:37,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:37,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:37,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:37,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:14:37,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:37,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:37,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:37,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:37,136 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:37,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:37,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:37,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:37,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:37,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:37,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:37,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:37,141 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:14:37,141 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:14:37,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:37,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:37,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:37,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:37,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:37,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:37,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:37,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:37,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:37,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:37,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:37,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:37,146 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:14:37,146 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:14:37,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:37,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:14:37,149 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 -> ac688db0a5759c1fe5bdf21d6f8667ab2b6a1b56 [2019-11-27 16:14:37,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:37,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:37,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:37,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:37,680 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:37,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/divbin.i [2019-11-27 16:14:37,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3829764b4/a35e9239ffd14958b4b3fc58ef2c20b0/FLAG0fc4b5f25 [2019-11-27 16:14:38,518 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:38,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/divbin.i [2019-11-27 16:14:38,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3829764b4/a35e9239ffd14958b4b3fc58ef2c20b0/FLAG0fc4b5f25 [2019-11-27 16:14:38,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3829764b4/a35e9239ffd14958b4b3fc58ef2c20b0 [2019-11-27 16:14:38,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:38,837 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:38,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:38,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:38,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:38,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58038550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38, skipping insertion in model container [2019-11-27 16:14:38,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:38,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:39,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:39,280 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:39,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:39,338 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:39,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39 WrapperNode [2019-11-27 16:14:39,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:39,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:39,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:39,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:39,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39" (1/1) ... [2019-11-27 16:14:39,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39" (1/1) ... [2019-11-27 16:14:39,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:39,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:39,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:39,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:39,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39" (1/1) ... [2019-11-27 16:14:39,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39" (1/1) ... [2019-11-27 16:14:39,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39" (1/1) ... [2019-11-27 16:14:39,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39" (1/1) ... [2019-11-27 16:14:39,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39" (1/1) ... [2019-11-27 16:14:39,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39" (1/1) ... [2019-11-27 16:14:39,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:39" (1/1) ... [2019-11-27 16:14:39,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:39,553 INFO L168 Benchmark]: Toolchain (without parser) took 710.80 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 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:39,554 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:39,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:39,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 995.6 MB in the end (delta: -45.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:39,563 INFO L168 Benchmark]: Boogie Preprocessor took 61.76 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:39,572 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 498.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 995.6 MB in the end (delta: -45.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.76 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 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...