./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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.v+cfa-reducer.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 97ac2503801a101f5a44ae44e4a77e81fa872959 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:18:01,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:18:01,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:18:01,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:18:01,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:18:01,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:18:01,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:18:01,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:18:01,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:18:01,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:18:01,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:18:01,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:18:01,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:18:01,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:18:01,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:18:01,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:18:01,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:18:01,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:18:01,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:18:01,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:18:01,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:18:01,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:18:01,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:18:01,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:18:01,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:18:01,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:18:01,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:18:01,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:18:01,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:18:01,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:18:01,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:18:01,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:18:01,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:18:01,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:18:01,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:18:01,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:18:01,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:18:01,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:18:01,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:18:01,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:18:01,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:18:01,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:18:01,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:18:01,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:18:01,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:18:01,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:18:01,673 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:18:01,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:18:01,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:18:01,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:18:01,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:18:01,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:18:01,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:18:01,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:18:01,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:18:01,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:18:01,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:18:01,684 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:18:01,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:18:01,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:18:01,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:18:01,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:18:01,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:18:01,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:18:01,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:18:01,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:18:01,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:18:01,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:18:01,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:18:01,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:18:01,691 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 -> 97ac2503801a101f5a44ae44e4a77e81fa872959 [2019-11-16 21:18:02,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:18:02,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:18:02,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:18:02,305 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:18:02,305 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:18:02,306 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-16 21:18:02,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daff7fc92/a0f3d6167f8e4b4bb26feb339e3a064c/FLAG2b7b0c2a3 [2019-11-16 21:18:03,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:18:03,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-16 21:18:03,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daff7fc92/a0f3d6167f8e4b4bb26feb339e3a064c/FLAG2b7b0c2a3 [2019-11-16 21:18:03,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daff7fc92/a0f3d6167f8e4b4bb26feb339e3a064c [2019-11-16 21:18:03,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:18:03,628 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:18:03,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:18:03,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:18:03,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:18:03,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:18:03" (1/1) ... [2019-11-16 21:18:03,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437ea821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:03, skipping insertion in model container [2019-11-16 21:18:03,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:18:03" (1/1) ... [2019-11-16 21:18:03,674 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:18:03,723 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:18:04,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:18:04,221 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:18:04,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:18:04,311 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:18:04,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04 WrapperNode [2019-11-16 21:18:04,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:18:04,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:18:04,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:18:04,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:18:04,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04" (1/1) ... [2019-11-16 21:18:04,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04" (1/1) ... [2019-11-16 21:18:04,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:18:04,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:18:04,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:18:04,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:18:04,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04" (1/1) ... [2019-11-16 21:18:04,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04" (1/1) ... [2019-11-16 21:18:04,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04" (1/1) ... [2019-11-16 21:18:04,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04" (1/1) ... [2019-11-16 21:18:04,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04" (1/1) ... [2019-11-16 21:18:04,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04" (1/1) ... [2019-11-16 21:18:04,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:04" (1/1) ... [2019-11-16 21:18:04,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:18:04,571 INFO L168 Benchmark]: Toolchain (without parser) took 935.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:18:04,573 INFO L168 Benchmark]: CDTParser took 2.33 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. [2019-11-16 21:18:04,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.13 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:18:04,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:18:04,593 INFO L168 Benchmark]: Boogie Preprocessor took 67.00 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:18:04,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.33 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 681.13 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.00 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...