./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/float_int_inv_square.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/float_int_inv_square.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 3a552ed0b53624bc27612451ed4207d0101db39b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/float_int_inv_square.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 3a552ed0b53624bc27612451ed4207d0101db39b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:10,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:10,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:10,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:10,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:10,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:10,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:10,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:10,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:10,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:10,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:10,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:10,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:10,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:10,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:10,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:10,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:10,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:10,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:10,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:10,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:10,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:10,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:10,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:10,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:10,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:10,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:10,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:10,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:10,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:10,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:10,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:10,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:10,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:10,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:10,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:10,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:10,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:10,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:10,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:10,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:10,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:10,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:10,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:10,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:10,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:10,281 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:10,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:10,282 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:10,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:10,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:10,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:10,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:10,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:10,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:10,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:10,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:10,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:10,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:10,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:10,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:10,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:10,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:10,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:10,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:10,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:10,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:10,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:10,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:10,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:10,299 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 -> 3a552ed0b53624bc27612451ed4207d0101db39b [2019-11-27 09:45:10,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:10,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:10,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:10,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:10,940 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:10,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-27 09:45:11,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3575e23c8/cc4fbd386eb741399b22fcfddd58dada/FLAGa1169d21a [2019-11-27 09:45:12,141 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:12,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-27 09:45:12,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3575e23c8/cc4fbd386eb741399b22fcfddd58dada/FLAGa1169d21a [2019-11-27 09:45:12,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3575e23c8/cc4fbd386eb741399b22fcfddd58dada [2019-11-27 09:45:12,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:12,213 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:12,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:12,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:12,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:12,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,235 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 09:45:12, skipping insertion in model container [2019-11-27 09:45:12,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:12,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:12,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:12,709 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:12,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:12,776 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:12,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12 WrapperNode [2019-11-27 09:45:12,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:12,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:12,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:12,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:12,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:12,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:12,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:12,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:12,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:12,984 INFO L168 Benchmark]: Toolchain (without parser) took 767.97 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:12,986 INFO L168 Benchmark]: CDTParser took 2.94 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 09:45:12,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.59 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:12,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:13,003 INFO L168 Benchmark]: Boogie Preprocessor took 35.15 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 09:45:13,014 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.94 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 571.59 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 153.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.15 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-da95e15 [2019-11-27 09:45:16,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:16,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:16,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:16,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:16,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:16,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:16,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:16,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:16,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:16,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:16,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:16,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:16,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:16,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:16,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:16,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:16,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:16,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:16,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:16,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:16,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:16,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:16,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:16,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:16,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:16,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:16,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:16,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:16,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:16,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:16,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:16,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:16,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:16,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:16,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:16,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:16,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:16,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:16,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:16,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:16,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:17,050 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:17,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:17,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:17,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:17,063 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:17,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:17,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:17,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:17,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:17,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:17,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:17,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:17,068 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:17,070 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:17,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:17,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:17,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:17,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:17,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:17,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:17,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:17,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:17,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:17,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:17,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:17,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:17,077 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:17,077 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:17,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:17,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:17,082 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 -> 3a552ed0b53624bc27612451ed4207d0101db39b [2019-11-27 09:45:17,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:17,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:17,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:17,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:17,677 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:17,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-27 09:45:17,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/143be2f2a/268368963d234269844e00f3842e6339/FLAGd33c4e247 [2019-11-27 09:45:18,864 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:18,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-27 09:45:18,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/143be2f2a/268368963d234269844e00f3842e6339/FLAGd33c4e247 [2019-11-27 09:45:18,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/143be2f2a/268368963d234269844e00f3842e6339 [2019-11-27 09:45:18,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:18,937 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:18,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:18,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:18,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:18,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,963 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 09:45:18, skipping insertion in model container [2019-11-27 09:45:18,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:19,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:19,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:19,491 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:19,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:19,572 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:19,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19 WrapperNode [2019-11-27 09:45:19,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:19,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:19,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:19,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:19,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:19,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:19,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:19,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:19,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:19,826 INFO L168 Benchmark]: Toolchain (without parser) took 884.53 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:19,831 INFO L168 Benchmark]: CDTParser took 1.70 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:19,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.46 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 09:45:19,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.79 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:19,838 INFO L168 Benchmark]: Boogie Preprocessor took 72.77 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:19,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70 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 634.46 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 167.79 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.77 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...