./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 32f26835 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 0.1.24-32f2683 [2019-11-24 21:03:59,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:59,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:59,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:59,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:59,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:59,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:59,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:59,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:59,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:59,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:59,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:59,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:59,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:59,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:59,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:59,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:59,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:59,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:59,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:59,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:59,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:59,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:59,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:59,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:59,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:59,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:59,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:59,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:59,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:59,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:59,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:59,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:59,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:59,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:59,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:59,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:59,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:59,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:59,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:59,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:59,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:59,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:59,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:59,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:59,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:59,348 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:59,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:59,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:59,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:59,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:59,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:59,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:59,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:59,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:59,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:59,354 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:59,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:59,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:59,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:59,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:59,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:59,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:59,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:59,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:59,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:59,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:59,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:59,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:59,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:59,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:59,359 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 [2019-11-24 21:03:59,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:59,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:59,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:59,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:59,859 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:59,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-24 21:03:59,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcefa9904/c45e38e0ab4d439ea7fd87d0744455fc/FLAGc75f7884c [2019-11-24 21:04:00,670 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:00,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-24 21:04:00,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcefa9904/c45e38e0ab4d439ea7fd87d0744455fc/FLAGc75f7884c [2019-11-24 21:04:01,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcefa9904/c45e38e0ab4d439ea7fd87d0744455fc [2019-11-24 21:04:01,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:01,023 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:01,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:01,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:01,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:01,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,044 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 24.11 09:04:01, skipping insertion in model container [2019-11-24 21:04:01,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:01,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:01,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:01,397 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:01,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:01,515 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:01,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01 WrapperNode [2019-11-24 21:04:01,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:01,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:01,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:01,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:01,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:01,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,615 INFO L168 Benchmark]: Toolchain (without parser) took 584.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:01,616 INFO L168 Benchmark]: CDTParser took 0.76 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. [2019-11-24 21:04:01,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:01,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.18 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:01,636 INFO L168 Benchmark]: Boogie Preprocessor took 48.88 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:01,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 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 487.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 39.18 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.88 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 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 0.1.24-32f2683 [2019-11-24 21:04:04,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:04,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:04,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:04,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:04,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:04,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:04,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:04,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:04,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:04,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:04,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:04,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:04,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:04,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:04,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:04,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:04,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:04,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:04,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:04,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:04,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:04,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:04,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:04,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:04,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:04,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:04,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:04,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:04,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:04,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:04,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:04,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:04,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:04,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:04,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:04,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:04,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:04,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:04,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:04,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:04,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:04,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:04,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:04,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:04,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:04,482 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:04,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:04,483 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:04,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:04,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:04,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:04,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:04,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:04,487 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:04,487 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:04,488 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:04,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:04,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:04,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:04,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:04,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:04,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:04,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:04,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:04,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:04,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:04,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:04,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:04,492 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:04,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:04,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:04,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:04,494 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 [2019-11-24 21:04:04,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:04,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:04,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:04,997 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:04,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:04,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-24 21:04:05,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/777beb1c9/1871249a49b74b21b05f0107f43d33a3/FLAGdc6987691 [2019-11-24 21:04:05,828 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:05,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-24 21:04:05,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/777beb1c9/1871249a49b74b21b05f0107f43d33a3/FLAGdc6987691 [2019-11-24 21:04:06,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/777beb1c9/1871249a49b74b21b05f0107f43d33a3 [2019-11-24 21:04:06,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:06,146 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:06,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:06,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:06,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:06,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ceac6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06, skipping insertion in model container [2019-11-24 21:04:06,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:06,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:06,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:06,501 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:06,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:06,632 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:06,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06 WrapperNode [2019-11-24 21:04:06,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:06,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:06,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:06,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:06,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:06,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:06,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:06,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:06,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:06,774 INFO L168 Benchmark]: Toolchain (without parser) took 624.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.0 MB in the end (delta: -30.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:06,775 INFO L168 Benchmark]: CDTParser took 1.34 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. [2019-11-24 21:04:06,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 996.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:06,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.76 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. [2019-11-24 21:04:06,781 INFO L168 Benchmark]: Boogie Preprocessor took 56.93 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:06,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34 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 486.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 996.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 65.76 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 56.93 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...