./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_sqrt_Quake.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 e0f1bd2a42710b6c2eba96cb622bd79ffd05436a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_sqrt_Quake.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 e0f1bd2a42710b6c2eba96cb622bd79ffd05436a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:01,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:01,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:01,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:01,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:01,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:01,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:01,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:01,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:01,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:01,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:01,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:01,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:01,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:01,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:01,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:01,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:01,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:01,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:01,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:01,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:01,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:01,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:01,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:01,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:01,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:01,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:01,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:01,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:01,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:01,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:01,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:01,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:01,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:01,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:01,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:01,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:01,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:01,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:01,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:01,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:01,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:58:01,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:01,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:01,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:01,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:01,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:01,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:01,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:01,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:58:01,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:01,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:01,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:01,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:01,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:01,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:01,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:01,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:01,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:01,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:01,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:01,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:01,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:01,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:01,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:01,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:01,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:01,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:58:01,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:58:01,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:01,988 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 -> e0f1bd2a42710b6c2eba96cb622bd79ffd05436a [2019-11-26 16:58:02,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:02,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:02,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:02,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:02,495 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:02,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-26 16:58:02,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed192e6a/4bcdd71f7c884b20bfd18cf2a943ca7e/FLAG0ab3734ae [2019-11-26 16:58:03,305 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:03,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-26 16:58:03,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed192e6a/4bcdd71f7c884b20bfd18cf2a943ca7e/FLAG0ab3734ae [2019-11-26 16:58:03,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed192e6a/4bcdd71f7c884b20bfd18cf2a943ca7e [2019-11-26 16:58:03,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:03,629 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:03,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:03,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:03,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:03,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:03" (1/1) ... [2019-11-26 16:58:03,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c9a419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:03, skipping insertion in model container [2019-11-26 16:58:03,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:03" (1/1) ... [2019-11-26 16:58:03,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:03,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:03,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:03,999 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:04,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:04,109 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:04,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04 WrapperNode [2019-11-26 16:58:04,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:04,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:04,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:04,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:04,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:04,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:04,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:04,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:04,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:04,214 INFO L168 Benchmark]: Toolchain (without parser) took 581.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.2 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:04,215 INFO L168 Benchmark]: CDTParser took 2.40 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. [2019-11-26 16:58:04,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 997.0 MB in the end (delta: -33.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:04,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.78 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. [2019-11-26 16:58:04,231 INFO L168 Benchmark]: Boogie Preprocessor took 50.54 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-26 16:58:04,239 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.40 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 479.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 997.0 MB in the end (delta: -33.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 44.78 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. * Boogie Preprocessor took 50.54 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:06,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:06,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:06,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:06,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:06,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:06,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:06,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:06,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:06,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:06,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:06,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:06,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:06,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:06,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:06,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:06,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:06,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:06,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:07,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:07,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:07,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:07,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:07,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:07,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:07,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:07,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:07,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:07,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:07,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:07,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:07,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:07,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:07,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:07,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:07,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:07,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:07,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:07,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:07,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:07,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:07,043 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:07,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:07,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:07,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:07,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:07,089 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:07,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:07,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:07,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:07,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:07,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:07,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:07,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:07,091 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:07,092 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:07,092 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:07,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:07,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:07,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:07,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:07,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:07,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:07,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:07,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:07,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:07,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:07,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:07,097 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:07,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:07,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:07,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:07,099 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 -> e0f1bd2a42710b6c2eba96cb622bd79ffd05436a [2019-11-26 16:58:07,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:07,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:07,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:07,583 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:07,584 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:07,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-26 16:58:07,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6920871be/4da5da929c214dfaae700459eb51a3af/FLAG05251bd60 [2019-11-26 16:58:08,424 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:08,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-26 16:58:08,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6920871be/4da5da929c214dfaae700459eb51a3af/FLAG05251bd60 [2019-11-26 16:58:08,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6920871be/4da5da929c214dfaae700459eb51a3af [2019-11-26 16:58:08,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:08,761 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:08,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:08,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:08,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:08,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:08" (1/1) ... [2019-11-26 16:58:08,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f182920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:08, skipping insertion in model container [2019-11-26 16:58:08,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:08" (1/1) ... [2019-11-26 16:58:08,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:08,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:09,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:09,139 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:09,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:09,282 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:09,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09 WrapperNode [2019-11-26 16:58:09,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:09,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:09,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:09,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:09,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09" (1/1) ... [2019-11-26 16:58:09,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09" (1/1) ... [2019-11-26 16:58:09,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:09,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:09,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:09,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:09,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09" (1/1) ... [2019-11-26 16:58:09,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09" (1/1) ... [2019-11-26 16:58:09,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09" (1/1) ... [2019-11-26 16:58:09,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09" (1/1) ... [2019-11-26 16:58:09,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09" (1/1) ... [2019-11-26 16:58:09,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09" (1/1) ... [2019-11-26 16:58:09,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:09" (1/1) ... [2019-11-26 16:58:09,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:09,409 INFO L168 Benchmark]: Toolchain (without parser) took 645.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 985.3 MB in the end (delta: -19.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:09,410 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-26 16:58:09,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.7 MB in the end (delta: -30.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:09,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.71 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. [2019-11-26 16:58:09,414 INFO L168 Benchmark]: Boogie Preprocessor took 57.96 ms. Allocated memory is still 1.0 GB. Free memory was 991.0 MB in the beginning and 985.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:09,427 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 519.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.7 MB in the end (delta: -30.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 56.71 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 57.96 ms. Allocated memory is still 1.0 GB. Free memory was 991.0 MB in the beginning and 985.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...