./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/interpolation.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 d8b7d2eba04d5104e6e025f54a673b137a0acc7a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/interpolation.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 d8b7d2eba04d5104e6e025f54a673b137a0acc7a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:09,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:09,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:09,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:09,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:09,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:09,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:09,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:09,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:09,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:09,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:09,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:09,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:09,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:09,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:09,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:09,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:09,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:09,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:09,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:09,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:09,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:09,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:09,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:09,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:09,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:09,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:09,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:09,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:09,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:09,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:09,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:09,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:09,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:09,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:09,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:09,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:09,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:09,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:09,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:09,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:09,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:09,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:09,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:09,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:09,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:09,773 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:09,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:09,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:09,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:09,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:09,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:09,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:09,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:09,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:09,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:09,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:09,777 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:09,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:09,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:09,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:09,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:09,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:09,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:09,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:09,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:09,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:09,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:09,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:09,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:09,782 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 -> d8b7d2eba04d5104e6e025f54a673b137a0acc7a [2019-11-25 22:50:10,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:10,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:10,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:10,290 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:10,291 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:10,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c [2019-11-25 22:50:10,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51299891f/91db5f9172dc420c8a7876278269cb10/FLAGe24db1d73 [2019-11-25 22:50:11,185 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:11,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c [2019-11-25 22:50:11,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51299891f/91db5f9172dc420c8a7876278269cb10/FLAGe24db1d73 [2019-11-25 22:50:11,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51299891f/91db5f9172dc420c8a7876278269cb10 [2019-11-25 22:50:11,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:11,486 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:11,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:11,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:11,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:11,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1affec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:11, skipping insertion in model container [2019-11-25 22:50:11,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:11" (1/1) ... [2019-11-25 22:50:11,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:11,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:11,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:11,896 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:11,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:12,019 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:12,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12 WrapperNode [2019-11-25 22:50:12,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:12,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:12,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:12,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:12,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:12,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:12,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:12,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:12,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:12,148 INFO L168 Benchmark]: Toolchain (without parser) took 659.78 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:12,149 INFO L168 Benchmark]: CDTParser took 1.80 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. [2019-11-25 22:50:12,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.70 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:12,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.77 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:12,168 INFO L168 Benchmark]: Boogie Preprocessor took 51.50 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:12,176 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80 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 527.70 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 70.77 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.50 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 0.1.24-65d6cd2 [2019-11-25 22:50:14,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:14,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:15,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:15,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:15,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:15,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:15,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:15,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:15,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:15,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:15,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:15,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:15,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:15,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:15,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:15,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:15,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:15,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:15,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:15,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:15,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:15,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:15,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:15,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:15,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:15,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:15,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:15,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:15,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:15,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:15,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:15,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:15,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:15,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:15,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:15,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:15,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:15,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:15,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:15,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:15,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:15,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:15,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:15,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:15,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:15,148 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:15,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:15,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:15,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:15,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:15,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:15,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:15,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:15,152 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:15,154 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:15,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:15,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:15,155 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:15,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:15,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:15,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:15,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:15,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:15,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:15,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:15,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:15,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:15,160 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:15,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:15,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:15,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:15,161 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 -> d8b7d2eba04d5104e6e025f54a673b137a0acc7a [2019-11-25 22:50:15,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:15,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:15,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:15,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:15,578 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:15,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c [2019-11-25 22:50:15,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3d76b51/82bdd9f486824bb8bca0a108695a545c/FLAG00b0f6ba5 [2019-11-25 22:50:16,444 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:16,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c [2019-11-25 22:50:16,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3d76b51/82bdd9f486824bb8bca0a108695a545c/FLAG00b0f6ba5 [2019-11-25 22:50:16,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3d76b51/82bdd9f486824bb8bca0a108695a545c [2019-11-25 22:50:16,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:16,738 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:16,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:16,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:16,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:16,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:16" (1/1) ... [2019-11-25 22:50:16,757 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 25.11 10:50:16, skipping insertion in model container [2019-11-25 22:50:16,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:16" (1/1) ... [2019-11-25 22:50:16,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:16,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:17,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:17,130 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:17,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:17,300 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:17,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17 WrapperNode [2019-11-25 22:50:17,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:17,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:17,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:17,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:17,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:17,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:17,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:17,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:17,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:17" (1/1) ... [2019-11-25 22:50:17,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:17,465 INFO L168 Benchmark]: Toolchain (without parser) took 725.89 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 989.8 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:17,467 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-25 22:50:17,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.97 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 989.8 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:17,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.98 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:17,475 INFO L168 Benchmark]: Boogie Preprocessor took 63.69 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:17,479 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 558.97 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 989.8 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 94.98 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.69 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 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...