./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-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/interpolation2.c.v+nlh-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 f6e8a3a31f477f95b41c919de6810cac9ea0df78 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.v+nlh-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 f6e8a3a31f477f95b41c919de6810cac9ea0df78 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:07:03,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:03,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:03,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:03,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:03,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:03,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:03,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:03,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:03,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:03,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:03,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:03,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:03,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:03,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:03,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:03,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:03,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:03,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:03,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:03,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:03,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:03,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:03,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:03,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:03,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:03,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:03,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:03,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:03,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:03,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:03,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:03,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:03,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:03,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:03,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:03,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:03,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:03,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:03,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:03,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:03,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:03,667 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:03,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:03,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:03,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:03,677 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:03,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:03,678 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:03,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:03,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:03,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:03,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:03,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:03,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:03,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:03,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:03,684 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:03,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:03,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:03,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:03,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:03,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:03,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:03,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:03,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:03,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:03,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:03,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:03,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:03,690 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 -> f6e8a3a31f477f95b41c919de6810cac9ea0df78 [2019-11-27 16:07:04,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:04,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:04,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:04,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:04,274 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:04,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-27 16:07:04,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd88fe2cb/d0417474d3c04b4593abe11e681a0332/FLAG53e2179b6 [2019-11-27 16:07:05,466 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:05,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-27 16:07:05,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd88fe2cb/d0417474d3c04b4593abe11e681a0332/FLAG53e2179b6 [2019-11-27 16:07:05,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd88fe2cb/d0417474d3c04b4593abe11e681a0332 [2019-11-27 16:07:05,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:05,593 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:05,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:05,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:05,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:05,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:05" (1/1) ... [2019-11-27 16:07:05,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1636fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:05, skipping insertion in model container [2019-11-27 16:07:05,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:05" (1/1) ... [2019-11-27 16:07:05,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:05,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:06,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:06,209 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:06,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:06,441 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:06,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06 WrapperNode [2019-11-27 16:07:06,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:06,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:06,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:06,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:06,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:06,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:06,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:06,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:06,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:06,658 INFO L168 Benchmark]: Toolchain (without parser) took 1046.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 985.7 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:06,660 INFO L168 Benchmark]: CDTParser took 0.57 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 16:07:06,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:06,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.72 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 16:07:06,670 INFO L168 Benchmark]: Boogie Preprocessor took 83.88 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:06,678 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 846.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 99.72 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 83.88 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:07:10,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:10,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:10,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:10,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:10,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:10,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:10,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:10,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:10,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:10,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:10,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:10,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:10,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:10,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:10,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:10,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:10,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:10,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:10,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:10,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:10,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:10,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:10,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:10,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:10,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:10,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:10,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:10,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:10,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:10,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:10,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:10,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:10,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:10,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:10,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:10,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:10,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:10,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:10,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:10,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:10,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:10,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:10,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:10,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:10,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:10,350 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:10,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:10,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:10,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:10,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:10,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:10,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:10,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:10,366 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:10,366 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:10,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:10,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:10,367 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:10,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:10,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:10,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:10,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:10,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:10,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:10,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:10,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:10,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:10,374 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:10,375 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:10,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:10,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:10,377 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 -> f6e8a3a31f477f95b41c919de6810cac9ea0df78 [2019-11-27 16:07:10,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:10,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:10,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:10,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:11,002 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:11,004 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-27 16:07:11,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306317d48/b483b6b7505f43d28934203ac1a9d446/FLAGd836c7874 [2019-11-27 16:07:12,213 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:12,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-27 16:07:12,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306317d48/b483b6b7505f43d28934203ac1a9d446/FLAGd836c7874 [2019-11-27 16:07:12,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306317d48/b483b6b7505f43d28934203ac1a9d446 [2019-11-27 16:07:12,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:12,364 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:12,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:12,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:12,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:12,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:12" (1/1) ... [2019-11-27 16:07:12,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148b67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:12, skipping insertion in model container [2019-11-27 16:07:12,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:12" (1/1) ... [2019-11-27 16:07:12,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:12,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:12,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:12,994 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:13,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:13,243 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:13,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13 WrapperNode [2019-11-27 16:07:13,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:13,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:13,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:13,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:13,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:13,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:13,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:13,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:13,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:13" (1/1) ... [2019-11-27 16:07:13,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:13,519 INFO L168 Benchmark]: Toolchain (without parser) took 1146.40 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 984.1 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:13,520 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. [2019-11-27 16:07:13,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 868.19 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 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:13,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.22 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. [2019-11-27 16:07:13,523 INFO L168 Benchmark]: Boogie Preprocessor took 122.15 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:13,543 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 868.19 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 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 140.22 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 122.15 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...