./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.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 f16872e95ceb4c5bb3d43220bb20359b76e5f33c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/sqrt_Householder_pseudoconstant.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 f16872e95ceb4c5bb3d43220bb20359b76e5f33c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:14,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:14,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:14,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:14,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:14,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:14,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:14,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:14,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:14,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:14,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:14,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:14,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:14,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:14,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:14,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:14,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:14,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:14,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:14,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:14,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:14,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:14,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:14,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:14,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:14,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:14,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:14,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:14,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:14,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:14,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:14,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:14,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:14,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:14,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:14,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:14,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:14,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:14,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:14,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:14,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:14,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:58:14,469 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:14,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:14,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:14,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:14,476 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:14,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:14,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:14,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:58:14,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:14,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:14,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:14,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:14,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:14,483 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:14,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:14,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:14,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:14,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:14,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:14,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:14,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:14,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:14,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:14,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:14,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:14,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:58:14,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:58:14,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:14,491 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 -> f16872e95ceb4c5bb3d43220bb20359b76e5f33c [2019-11-26 16:58:15,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:15,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:15,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:15,054 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:15,054 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:15,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2019-11-26 16:58:15,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b53dabba/b800c48816864f6b802df5a7e7752b0d/FLAG12586905c [2019-11-26 16:58:16,286 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:16,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2019-11-26 16:58:16,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b53dabba/b800c48816864f6b802df5a7e7752b0d/FLAG12586905c [2019-11-26 16:58:16,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b53dabba/b800c48816864f6b802df5a7e7752b0d [2019-11-26 16:58:16,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:16,352 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:16,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:16,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:16,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:16,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:16" (1/1) ... [2019-11-26 16:58:16,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:16, skipping insertion in model container [2019-11-26 16:58:16,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:16" (1/1) ... [2019-11-26 16:58:16,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:16,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:16,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:16,934 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:17,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:17,126 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:17,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17 WrapperNode [2019-11-26 16:58:17,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:17,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:17,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:17,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:17,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17" (1/1) ... [2019-11-26 16:58:17,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17" (1/1) ... [2019-11-26 16:58:17,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:17,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:17,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:17,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:17,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17" (1/1) ... [2019-11-26 16:58:17,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17" (1/1) ... [2019-11-26 16:58:17,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17" (1/1) ... [2019-11-26 16:58:17,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17" (1/1) ... [2019-11-26 16:58:17,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17" (1/1) ... [2019-11-26 16:58:17,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17" (1/1) ... [2019-11-26 16:58:17,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:17" (1/1) ... [2019-11-26 16:58:17,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:17,341 INFO L168 Benchmark]: Toolchain (without parser) took 980.81 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:17,346 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:17,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.09 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:17,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:17,355 INFO L168 Benchmark]: Boogie Preprocessor took 82.83 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. [2019-11-26 16:58:17,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 778.09 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 104.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.83 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:21,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:21,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:21,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:21,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:21,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:21,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:21,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:21,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:21,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:21,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:21,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:21,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:21,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:21,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:21,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:21,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:21,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:21,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:21,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:21,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:21,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:21,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:21,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:21,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:21,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:21,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:21,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:21,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:21,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:21,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:21,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:21,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:21,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:21,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:21,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:21,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:21,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:21,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:21,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:21,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:21,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:21,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:21,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:21,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:21,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:21,291 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:21,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:21,292 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:21,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:21,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:21,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:21,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:21,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:21,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:21,298 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:21,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:21,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:21,299 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:21,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:21,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:21,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:21,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:21,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:21,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:21,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:21,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:21,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:21,305 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:21,306 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:21,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:21,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:21,308 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 -> f16872e95ceb4c5bb3d43220bb20359b76e5f33c [2019-11-26 16:58:21,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:21,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:21,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:21,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:21,876 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:21,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2019-11-26 16:58:22,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a40834dff/2b95ed5212e1430a8c515d7d70eb3440/FLAG0318460a1 [2019-11-26 16:58:23,044 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:23,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2019-11-26 16:58:23,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a40834dff/2b95ed5212e1430a8c515d7d70eb3440/FLAG0318460a1 [2019-11-26 16:58:23,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a40834dff/2b95ed5212e1430a8c515d7d70eb3440 [2019-11-26 16:58:23,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:23,217 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:23,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:23,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:23,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:23,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10db85b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23, skipping insertion in model container [2019-11-26 16:58:23,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:23,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:23,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:23,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:23,779 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:23,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:23,978 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:23,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23 WrapperNode [2019-11-26 16:58:23,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:23,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:23,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:23,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:24,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:24,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:24,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:24,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:24,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:24,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:24,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:24,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:24,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:24,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:24,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:24,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:24,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:23" (1/1) ... [2019-11-26 16:58:24,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:24,169 INFO L168 Benchmark]: Toolchain (without parser) took 948.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:24,170 INFO L168 Benchmark]: CDTParser took 3.07 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:24,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.71 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:24,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.67 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:24,179 INFO L168 Benchmark]: Boogie Preprocessor took 63.72 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. [2019-11-26 16:58:24,186 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.07 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 759.71 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 115.67 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.72 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...