./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_square-1.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_square-1.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 5cdc4d12f446be57385f35c672efbdd6980b00fa ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_square-1.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 5cdc4d12f446be57385f35c672efbdd6980b00fa .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:07:05,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:05,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:05,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:05,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:05,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:05,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:06,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:06,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:06,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:06,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:06,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:06,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:06,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:06,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:06,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:06,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:06,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:06,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:06,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:06,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:06,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:06,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:06,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:06,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:06,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:06,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:06,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:06,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:06,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:06,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:06,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:06,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:06,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:06,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:06,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:06,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:06,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:06,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:06,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:06,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:06,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:06,164 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:06,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:06,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:06,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:06,172 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:06,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:06,174 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:06,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:06,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:06,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:06,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:06,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:06,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:06,179 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:06,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:06,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:06,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:06,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:06,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:06,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:06,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:06,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:06,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:06,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:06,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:06,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:06,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:06,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:06,188 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 -> 5cdc4d12f446be57385f35c672efbdd6980b00fa [2019-11-27 16:07:06,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:06,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:06,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:06,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:06,882 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:06,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_square-1.c [2019-11-27 16:07:07,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ec7d6ec/cd6e1e81fc444a31a973dfac33e7fa7d/FLAGdf3e4012e [2019-11-27 16:07:08,042 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:08,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_square-1.c [2019-11-27 16:07:08,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ec7d6ec/cd6e1e81fc444a31a973dfac33e7fa7d/FLAGdf3e4012e [2019-11-27 16:07:08,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ec7d6ec/cd6e1e81fc444a31a973dfac33e7fa7d [2019-11-27 16:07:08,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:08,265 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:08,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:08,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:08,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:08,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08, skipping insertion in model container [2019-11-27 16:07:08,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:08,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:08,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:08,822 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:08,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:08,889 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:08,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08 WrapperNode [2019-11-27 16:07:08,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:08,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:08,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:08,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:08,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:09,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:09,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:09,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:09,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:09,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:09,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:09,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:09,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:09,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:09,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:09,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:09,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:09,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:09,128 INFO L168 Benchmark]: Toolchain (without parser) took 864.76 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 16:07:09,130 INFO L168 Benchmark]: CDTParser took 0.32 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 16:07:09,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.10 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 16:07:09,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.00 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 16:07:09,152 INFO L168 Benchmark]: Boogie Preprocessor took 36.75 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 16:07:09,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 629.10 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 181.00 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 36.75 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 16:07:13,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:13,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:13,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:13,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:13,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:13,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:13,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:13,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:13,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:13,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:13,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:13,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:13,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:13,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:13,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:13,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:13,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:13,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:13,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:13,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:13,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:13,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:13,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:13,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:13,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:13,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:13,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:13,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:13,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:13,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:13,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:13,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:13,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:13,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:13,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:13,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:13,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:13,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:13,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:13,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:13,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:13,315 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:13,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:13,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:13,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:13,322 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:13,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:13,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:13,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:13,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:13,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:13,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:13,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:13,328 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:13,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:13,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:13,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:13,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:13,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:13,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:13,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:13,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:13,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:13,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:13,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:13,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:13,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:13,337 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:13,337 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:13,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:13,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:13,341 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 -> 5cdc4d12f446be57385f35c672efbdd6980b00fa [2019-11-27 16:07:13,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:13,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:13,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:13,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:13,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:13,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_square-1.c [2019-11-27 16:07:14,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8548a9072/d2921929cc3344c48cab1fd3ddab2254/FLAG42ef380e9 [2019-11-27 16:07:15,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:15,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_square-1.c [2019-11-27 16:07:15,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8548a9072/d2921929cc3344c48cab1fd3ddab2254/FLAG42ef380e9 [2019-11-27 16:07:15,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8548a9072/d2921929cc3344c48cab1fd3ddab2254 [2019-11-27 16:07:15,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:15,203 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:15,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:15,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:15,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:15,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15, skipping insertion in model container [2019-11-27 16:07:15,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:15,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:15,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:15,765 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:15,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:15,825 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:15,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15 WrapperNode [2019-11-27 16:07:15,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:15,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:15,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:15,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:15,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:16,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:16,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:16,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:16,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:16,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:16,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:16,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:16,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:16,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:16,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:16,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:16,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:16,127 INFO L168 Benchmark]: Toolchain (without parser) took 916.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:16,129 INFO L168 Benchmark]: CDTParser took 3.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:16,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:16,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:16,138 INFO L168 Benchmark]: Boogie Preprocessor took 83.37 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 16:07:16,151 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 617.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 191.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.37 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...