./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.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 f22611f93269e362683124716e1056f24d2e8589 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.p+cfa-reducer.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 f22611f93269e362683124716e1056f24d2e8589 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:06:59,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:59,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:59,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:59,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:59,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:59,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:59,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:59,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:59,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:59,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:59,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:59,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:59,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:59,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:00,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:00,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:00,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:00,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:00,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:00,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:00,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:00,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:00,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:00,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:00,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:00,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:00,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:00,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:00,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:00,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:00,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:00,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:00,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:00,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:00,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:00,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:00,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:00,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:00,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:00,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:00,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:00,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:00,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:00,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:00,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:00,138 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:00,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:00,138 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:00,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:00,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:00,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:00,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:00,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:00,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:00,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:00,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:00,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:00,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:00,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:00,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:00,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:00,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:00,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:00,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:00,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:00,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:00,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:00,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:00,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:00,154 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 -> f22611f93269e362683124716e1056f24d2e8589 [2019-11-27 16:07:00,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:00,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:00,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:00,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:00,834 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:00,835 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2019-11-27 16:07:00,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46da972a2/c759290253374c6294e0f7c9f31f4a52/FLAG6622db1ee [2019-11-27 16:07:02,078 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:02,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2019-11-27 16:07:02,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46da972a2/c759290253374c6294e0f7c9f31f4a52/FLAG6622db1ee [2019-11-27 16:07:02,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46da972a2/c759290253374c6294e0f7c9f31f4a52 [2019-11-27 16:07:02,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:02,150 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:02,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:02,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:02,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:02,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:02,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02, skipping insertion in model container [2019-11-27 16:07:02,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:02,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:02,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:02,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:02,724 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:02,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:02,957 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:02,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02 WrapperNode [2019-11-27 16:07:02,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:02,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:02,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:02,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:02,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:03,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:03,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:03,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:03,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:03,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:03,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:03,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:03,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:03,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:03,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:03,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:03,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:03,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:03,153 INFO L168 Benchmark]: Toolchain (without parser) took 1003.94 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:03,167 INFO L168 Benchmark]: CDTParser took 2.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:03,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.73 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:03,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.89 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:03,175 INFO L168 Benchmark]: Boogie Preprocessor took 66.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:03,185 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.87 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 811.73 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 116.89 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 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 0.1.24-509859d [2019-11-27 16:07:07,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:07,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:07,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:07,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:07,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:07,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:07,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:07,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:07,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:07,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:07,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:07,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:07,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:07,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:07,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:07,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:07,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:07,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:07,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:07,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:07,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:07,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:07,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:07,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:07,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:07,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:07,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:07,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:07,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:07,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:07,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:07,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:07,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:07,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:07,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:07,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:07,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:07,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:07,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:07,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:07,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:07,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:07,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:07,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:07,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:07,335 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:07,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:07,337 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:07,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:07,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:07,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:07,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:07,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:07,342 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:07,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:07,345 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:07,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:07,345 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:07,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:07,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:07,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:07,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:07,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:07,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:07,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:07,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:07,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:07,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:07,353 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:07,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:07,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:07,356 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 -> f22611f93269e362683124716e1056f24d2e8589 [2019-11-27 16:07:07,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:07,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:07,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:07,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:07,967 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:07,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2019-11-27 16:07:08,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa798535/6c8f160f85fa4718a21455e43b3821e7/FLAG48792d2d4 [2019-11-27 16:07:09,195 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:09,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2019-11-27 16:07:09,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa798535/6c8f160f85fa4718a21455e43b3821e7/FLAG48792d2d4 [2019-11-27 16:07:09,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa798535/6c8f160f85fa4718a21455e43b3821e7 [2019-11-27 16:07:09,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:09,339 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:09,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:09,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:09,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:09,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:09" (1/1) ... [2019-11-27 16:07:09,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601bf59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:09, skipping insertion in model container [2019-11-27 16:07:09,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:09" (1/1) ... [2019-11-27 16:07:09,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:09,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:09,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:09,927 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:10,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:10,199 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:10,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10 WrapperNode [2019-11-27 16:07:10,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:10,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:10,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:10,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:10,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:10,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:10,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:10,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:10,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:10,386 INFO L168 Benchmark]: Toolchain (without parser) took 1044.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 16:07:10,387 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:10,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.75 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: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:10,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.90 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 16:07:10,392 INFO L168 Benchmark]: Boogie Preprocessor took 79.24 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:10,408 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 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 860.75 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: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 95.90 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 79.24 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...