./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation2.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/float-benchs/interpolation2.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 3b34dfede3b17d4dbfd431f9690ffc98f8a52b8d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/interpolation2.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 3b34dfede3b17d4dbfd431f9690ffc98f8a52b8d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:45:13,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:13,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:13,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:13,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:13,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:13,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:13,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:13,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:13,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:13,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:13,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:13,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:13,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:13,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:13,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:13,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:13,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:13,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:13,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:13,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:13,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:13,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:13,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:13,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:13,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:13,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:13,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:13,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:13,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:13,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:13,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:13,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:13,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:13,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:13,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:13,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:13,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:13,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:13,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:13,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:13,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:13,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:13,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:13,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:13,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:13,665 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:13,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:13,667 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:13,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:13,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:13,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:13,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:13,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:13,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:13,670 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:13,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:13,670 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:13,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:13,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:13,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:13,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:13,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:13,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:13,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:13,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:13,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:13,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:13,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:13,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:13,678 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 -> 3b34dfede3b17d4dbfd431f9690ffc98f8a52b8d [2019-11-27 09:45:14,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:14,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:14,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:14,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:14,186 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:14,187 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c [2019-11-27 09:45:14,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5e409b4/9272e78bb2d7427988e06b5bbb6cf469/FLAG74ff51b21 [2019-11-27 09:45:15,061 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:15,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c [2019-11-27 09:45:15,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5e409b4/9272e78bb2d7427988e06b5bbb6cf469/FLAG74ff51b21 [2019-11-27 09:45:15,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5e409b4/9272e78bb2d7427988e06b5bbb6cf469 [2019-11-27 09:45:15,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:15,356 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:15,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:15,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:15,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:15,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9d5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15, skipping insertion in model container [2019-11-27 09:45:15,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:15,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:15,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:15,781 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:15,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:15,994 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:15,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15 WrapperNode [2019-11-27 09:45:15,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:15,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:15,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:15,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:16,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:16,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:16,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:16,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:16,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:16,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:16,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:16,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:16,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:16,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:16,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:16,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:16,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:16,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:16,166 INFO L168 Benchmark]: Toolchain (without parser) took 808.71 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:16,170 INFO L168 Benchmark]: CDTParser took 0.22 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 09:45:16,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.39 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:16,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:16,185 INFO L168 Benchmark]: Boogie Preprocessor took 71.81 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:16,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 638.39 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 91.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.81 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:18,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:18,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:18,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:18,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:18,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:18,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:18,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:19,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:19,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:19,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:19,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:19,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:19,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:19,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:19,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:19,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:19,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:19,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:19,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:19,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:19,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:19,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:19,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:19,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:19,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:19,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:19,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:19,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:19,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:19,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:19,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:19,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:19,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:19,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:19,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:19,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:19,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:19,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:19,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:19,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:19,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:19,117 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:19,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:19,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:19,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:19,120 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:19,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:19,123 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:19,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:19,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:19,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:19,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:19,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:19,125 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:19,126 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:19,126 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:19,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:19,126 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:19,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:19,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:19,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:19,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:19,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:19,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:19,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:19,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:19,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:19,131 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:19,131 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:19,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:19,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:19,133 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 -> 3b34dfede3b17d4dbfd431f9690ffc98f8a52b8d [2019-11-27 09:45:19,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:19,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:19,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:19,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:19,613 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:19,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c [2019-11-27 09:45:19,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bc050531/cf06e44e413b4e699bf81cb16beb753b/FLAG46b1cb210 [2019-11-27 09:45:20,482 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:20,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c [2019-11-27 09:45:20,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bc050531/cf06e44e413b4e699bf81cb16beb753b/FLAG46b1cb210 [2019-11-27 09:45:20,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bc050531/cf06e44e413b4e699bf81cb16beb753b [2019-11-27 09:45:20,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:20,784 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:20,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:20,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:20,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:20,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c61759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20, skipping insertion in model container [2019-11-27 09:45:20,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:20,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:21,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:21,189 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:21,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:21,364 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:21,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21 WrapperNode [2019-11-27 09:45:21,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:21,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:21,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:21,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:21,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21" (1/1) ... [2019-11-27 09:45:21,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21" (1/1) ... [2019-11-27 09:45:21,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:21,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:21,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:21,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:21,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21" (1/1) ... [2019-11-27 09:45:21,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21" (1/1) ... [2019-11-27 09:45:21,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21" (1/1) ... [2019-11-27 09:45:21,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21" (1/1) ... [2019-11-27 09:45:21,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21" (1/1) ... [2019-11-27 09:45:21,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21" (1/1) ... [2019-11-27 09:45:21,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:21" (1/1) ... [2019-11-27 09:45:21,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:21,523 INFO L168 Benchmark]: Toolchain (without parser) took 735.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.4 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:21,525 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 09:45:21,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:21,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.59 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:21,531 INFO L168 Benchmark]: Boogie Preprocessor took 66.86 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:21,549 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 571.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 83.59 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.86 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...