./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 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/inv_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 0.1.24-509859d [2019-11-27 16:07:05,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:05,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:05,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:05,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:05,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:05,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:05,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:05,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:05,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:05,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:05,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:05,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:05,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:05,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:05,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:05,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:05,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:05,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:05,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:05,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:05,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:05,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:05,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:05,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:05,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:05,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:05,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:05,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:05,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:05,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:05,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:05,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:05,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:05,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:05,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:05,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:05,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:05,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:05,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:05,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:05,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:05,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:05,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:05,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:05,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:05,727 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:05,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:05,728 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:05,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:05,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:05,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:05,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:05,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:05,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:05,734 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:05,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:05,736 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:05,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:05,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:05,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:05,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:05,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:05,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:05,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:05,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:05,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:05,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:05,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:05,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:05,743 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 [2019-11-27 16:07:06,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:06,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:06,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:06,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:06,354 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:06,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-27 16:07:06,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f53286c/539d3940695d490cb7d64247bcefa025/FLAG94cd5ab96 [2019-11-27 16:07:07,539 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:07,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-27 16:07:07,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f53286c/539d3940695d490cb7d64247bcefa025/FLAG94cd5ab96 [2019-11-27 16:07:07,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f53286c/539d3940695d490cb7d64247bcefa025 [2019-11-27 16:07:07,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:07,610 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:07,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:07,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:07,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:07,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:07" (1/1) ... [2019-11-27 16:07:07,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e5d695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:07, skipping insertion in model container [2019-11-27 16:07:07,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:07" (1/1) ... [2019-11-27 16:07:07,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:07,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:08,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:08,121 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:08,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:08,283 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:08,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08 WrapperNode [2019-11-27 16:07:08,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:08,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:08,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:08,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:08,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:08,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:08,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:08,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:08,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:08" (1/1) ... [2019-11-27 16:07:08,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:08,467 INFO L168 Benchmark]: Toolchain (without parser) took 855.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:08,472 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:08,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:08,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.63 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:08,493 INFO L168 Benchmark]: Boogie Preprocessor took 72.23 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. [2019-11-27 16:07:08,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 672.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 95.63 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 72.23 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 0.1.24-509859d [2019-11-27 16:07:12,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:12,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:12,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:12,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:12,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:12,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:12,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:12,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:12,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:12,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:12,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:12,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:12,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:12,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:12,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:12,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:12,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:12,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:12,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:12,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:12,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:12,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:12,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:12,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:12,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:12,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:12,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:12,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:12,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:12,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:12,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:12,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:12,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:12,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:12,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:12,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:12,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:12,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:12,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:12,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:12,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:12,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:12,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:12,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:12,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:12,623 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:12,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:12,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:12,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:12,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:12,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:12,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:12,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:12,627 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:12,630 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:12,630 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:12,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:12,631 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:12,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:12,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:12,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:12,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:12,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:12,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:12,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:12,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:12,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:12,636 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:12,636 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:12,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:12,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:12,640 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 [2019-11-27 16:07:13,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:13,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:13,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:13,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:13,170 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:13,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-27 16:07:13,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f56927a/8da787c6b19748dd8d044eca0d097488/FLAGfa2d4748e [2019-11-27 16:07:14,289 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:14,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-27 16:07:14,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f56927a/8da787c6b19748dd8d044eca0d097488/FLAGfa2d4748e [2019-11-27 16:07:14,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f56927a/8da787c6b19748dd8d044eca0d097488 [2019-11-27 16:07:14,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:14,481 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:14,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:14,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:14,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:14,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:14" (1/1) ... [2019-11-27 16:07:14,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f6223b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:14, skipping insertion in model container [2019-11-27 16:07:14,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:14" (1/1) ... [2019-11-27 16:07:14,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:14,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:15,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:15,050 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:15,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:15,190 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:15,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15 WrapperNode [2019-11-27 16:07:15,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:15,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:15,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:15,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:15,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:15,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:15,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:15,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:15,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:15" (1/1) ... [2019-11-27 16:07:15,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:15,489 INFO L168 Benchmark]: Toolchain (without parser) took 1004.11 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 991.1 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:15,491 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:15,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:15,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 208.80 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 991.1 MB in the end (delta: -42.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:15,499 INFO L168 Benchmark]: Boogie Preprocessor took 77.58 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:15,519 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 708.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 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 208.80 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 991.1 MB in the end (delta: -42.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.58 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...