./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/sqrt1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/nla-digbench/sqrt1.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 18069e734ad3e799af7ba506a01bcf1d8ca8899c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/nla-digbench/sqrt1.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 18069e734ad3e799af7ba506a01bcf1d8ca8899c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:54,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:54,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:54,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:54,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:54,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:54,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:54,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:54,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:54,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:54,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:54,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:54,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:54,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:54,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:54,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:54,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:54,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:54,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:54,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:54,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:54,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:54,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:54,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:54,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:54,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:54,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:54,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:54,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:54,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:54,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:54,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:54,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:54,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:54,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:54,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:54,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:54,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:54,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:54,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:54,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:54,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:54,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:54,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:54,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:54,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:54,560 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:54,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:54,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:54,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:54,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:54,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:54,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:54,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:54,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:54,565 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:54,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:54,565 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:54,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:54,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:54,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:54,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:54,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:54,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:54,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:54,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:54,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:54,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:54,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:54,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:54,570 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 -> 18069e734ad3e799af7ba506a01bcf1d8ca8899c [2019-11-27 09:52:55,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:55,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:55,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:55,032 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:55,032 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:55,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/sqrt1.c [2019-11-27 09:52:55,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd0fc054/69e3353827cd4b35b1057628b1cb69ef/FLAG70516a3d0 [2019-11-27 09:52:55,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:55,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/sqrt1.c [2019-11-27 09:52:55,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd0fc054/69e3353827cd4b35b1057628b1cb69ef/FLAG70516a3d0 [2019-11-27 09:52:56,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd0fc054/69e3353827cd4b35b1057628b1cb69ef [2019-11-27 09:52:56,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:56,176 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:56,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:56,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:56,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:56,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9cbd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56, skipping insertion in model container [2019-11-27 09:52:56,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:56,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:56,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:56,567 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:56,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:56,610 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:56,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56 WrapperNode [2019-11-27 09:52:56,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:56,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:56,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:56,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:56,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:56,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:56,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:56,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:56,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:56,797 INFO L168 Benchmark]: Toolchain (without parser) took 616.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 985.5 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:56,798 INFO L168 Benchmark]: CDTParser took 2.46 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 09:52:56,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.67 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:56,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.5 MB in the beginning and 997.0 MB in the end (delta: -45.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:56,816 INFO L168 Benchmark]: Boogie Preprocessor took 50.41 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 985.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:56,823 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.46 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 430.67 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 121.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.5 MB in the beginning and 997.0 MB in the end (delta: -45.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.41 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 985.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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-da95e15 [2019-11-27 09:52:59,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:59,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:59,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:59,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:59,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:59,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:59,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:59,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:59,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:59,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:59,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:59,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:59,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:59,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:59,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:59,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:59,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:59,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:59,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:59,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:59,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:59,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:59,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:59,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:59,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:59,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:59,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:59,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:59,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:59,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:59,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:59,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:59,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:59,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:59,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:59,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:59,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:59,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:59,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:59,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:59,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:59,670 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:59,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:59,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:59,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:59,675 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:59,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:59,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:59,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:59,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:59,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:59,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:59,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:59,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:59,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:59,680 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:59,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:59,684 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:59,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:59,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:59,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:59,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:59,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:59,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:59,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:59,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:59,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:59,686 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:59,686 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:59,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:59,687 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:59,688 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 -> 18069e734ad3e799af7ba506a01bcf1d8ca8899c [2019-11-27 09:53:00,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:53:00,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:53:00,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:53:00,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:53:00,138 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:53:00,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/sqrt1.c [2019-11-27 09:53:00,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d798731/8c15d652fb4b46729ff07fcb1fb083f6/FLAGad47695eb [2019-11-27 09:53:00,962 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:53:00,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/sqrt1.c [2019-11-27 09:53:00,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d798731/8c15d652fb4b46729ff07fcb1fb083f6/FLAGad47695eb [2019-11-27 09:53:01,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d798731/8c15d652fb4b46729ff07fcb1fb083f6 [2019-11-27 09:53:01,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:53:01,298 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:53:01,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:53:01,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:53:01,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:53:01,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9cbd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01, skipping insertion in model container [2019-11-27 09:53:01,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:53:01,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:53:01,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:53:01,702 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:53:01,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:53:01,771 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:53:01,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01 WrapperNode [2019-11-27 09:53:01,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:53:01,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:53:01,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:53:01,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:53:01,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:53:01,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:53:01,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:53:01,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:53:01,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:01" (1/1) ... [2019-11-27 09:53:01,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:53:01,969 INFO L168 Benchmark]: Toolchain (without parser) took 669.15 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 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:53:01,970 INFO L168 Benchmark]: CDTParser took 0.26 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 09:53:01,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.41 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:53:01,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 995.6 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:53:01,973 INFO L168 Benchmark]: Boogie Preprocessor took 46.16 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:53:01,990 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 475.41 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 141.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 995.6 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.16 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 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...