./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_Newton-2.c --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/float-benchs/inv_Newton-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66b71342bd068aaa5aa0847a6efcac54b98c09c9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float-benchs/inv_Newton-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66b71342bd068aaa5aa0847a6efcac54b98c09c9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:07:03,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:03,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:03,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:03,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:03,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:03,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:03,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:03,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:03,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:03,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:03,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:03,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:03,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:03,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:03,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:03,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:03,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:03,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:03,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:03,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:03,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:03,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:04,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:04,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:04,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:04,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:04,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:04,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:04,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:04,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:04,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:04,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:04,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:04,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:04,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:04,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:04,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:04,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:04,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:04,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:04,046 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:04,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:04,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:04,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:04,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:04,095 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:04,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:04,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:04,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:04,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:04,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:04,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:04,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:04,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:04,103 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:04,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:04,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:04,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:04,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:04,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:04,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:04,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:04,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:04,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:04,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:04,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:04,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:04,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:04,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:04,113 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 -> 66b71342bd068aaa5aa0847a6efcac54b98c09c9 [2019-11-27 16:07:04,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:04,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:04,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:04,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:04,774 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:04,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-27 16:07:04,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c603a02ee/e8d26a88092847078f933f3bc84faf26/FLAGa0818b5fe [2019-11-27 16:07:05,913 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:05,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-27 16:07:05,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c603a02ee/e8d26a88092847078f933f3bc84faf26/FLAGa0818b5fe [2019-11-27 16:07:06,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c603a02ee/e8d26a88092847078f933f3bc84faf26 [2019-11-27 16:07:06,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:06,218 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:06,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:06,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:06,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:06,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06, skipping insertion in model container [2019-11-27 16:07:06,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:06,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:06,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:06,731 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:06,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:06,936 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:06,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06 WrapperNode [2019-11-27 16:07:06,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:06,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:06,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:06,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:06,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:07,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:07,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:07,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:07,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:07,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:07,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:07,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:07,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:07,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:07,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:07,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:07,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:07,081 INFO L168 Benchmark]: Toolchain (without parser) took 859.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:07,096 INFO L168 Benchmark]: CDTParser took 0.23 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 16:07:07,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 996.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:07,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.09 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:07,107 INFO L168 Benchmark]: Boogie Preprocessor took 66.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:07,118 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 714.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 996.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 67.09 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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 16:07:11,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:11,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:11,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:11,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:11,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:11,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:11,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:11,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:11,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:11,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:11,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:11,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:11,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:11,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:11,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:11,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:11,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:11,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:11,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:11,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:11,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:11,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:11,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:11,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:11,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:11,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:11,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:11,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:11,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:11,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:11,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:11,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:11,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:11,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:11,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:11,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:11,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:11,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:11,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:11,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:11,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:11,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:11,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:11,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:11,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:11,258 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:11,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:11,259 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:11,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:11,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:11,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:11,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:11,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:11,266 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:11,266 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:11,267 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:11,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:11,267 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:11,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:11,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:11,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:11,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:11,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:11,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:11,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:11,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:11,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:11,272 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:11,272 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:11,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:11,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:11,275 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 -> 66b71342bd068aaa5aa0847a6efcac54b98c09c9 [2019-11-27 16:07:11,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:11,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:11,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:11,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:11,897 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:11,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-27 16:07:12,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207784209/5616dbd31b4648b398d474609d425e30/FLAGfccfa5c63 [2019-11-27 16:07:12,990 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:12,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-27 16:07:13,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207784209/5616dbd31b4648b398d474609d425e30/FLAGfccfa5c63 [2019-11-27 16:07:13,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207784209/5616dbd31b4648b398d474609d425e30 [2019-11-27 16:07:13,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:13,179 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:13,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:13,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:13,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:13,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331559d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13, skipping insertion in model container [2019-11-27 16:07:13,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:13,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:13,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:13,755 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:13,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:13,984 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:13,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13 WrapperNode [2019-11-27 16:07:13,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:13,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:14,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:14,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:14,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:14,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:14,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:14,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:14,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:14,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:14,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:14,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:14,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:14,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:14,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:14,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:14,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:14,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:14,200 INFO L168 Benchmark]: Toolchain (without parser) took 1016.61 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 991.0 MB in the end (delta: -23.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:14,201 INFO L168 Benchmark]: CDTParser took 3.49 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 16:07:14,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.19 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 996.7 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:14,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.86 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:14,206 INFO L168 Benchmark]: Boogie Preprocessor took 89.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:14,223 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.49 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 804.19 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 996.7 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 103.86 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 89.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 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...