./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 32f26835 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 0.1.24-32f2683 [2019-11-24 21:03:58,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:58,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:58,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:58,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:58,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:58,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:58,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:58,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:58,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:58,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:58,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:58,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:58,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:58,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:58,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:58,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:58,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:58,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:58,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:58,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:58,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:58,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:58,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:58,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:58,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:58,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:58,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:58,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:58,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:58,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:58,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:58,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:58,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:58,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:58,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:58,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:58,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:58,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:58,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:58,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:58,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:58,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:58,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:58,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:58,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:58,831 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:58,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:58,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:58,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:58,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:58,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:58,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:58,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:58,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:58,837 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:58,837 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:58,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:58,840 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:58,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:58,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:58,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:58,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:58,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:58,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:58,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:58,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:58,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:58,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:58,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:58,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:58,847 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 [2019-11-24 21:03:59,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:59,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:59,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:59,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:59,419 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:59,420 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-24 21:03:59,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0a604a2/a94adda4af6444fead5855701a1d9ebf/FLAGb09e55593 [2019-11-24 21:04:00,683 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:00,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-24 21:04:00,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0a604a2/a94adda4af6444fead5855701a1d9ebf/FLAGb09e55593 [2019-11-24 21:04:00,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0a604a2/a94adda4af6444fead5855701a1d9ebf [2019-11-24 21:04:00,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:00,752 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:00,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:00,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:00,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:00,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00, skipping insertion in model container [2019-11-24 21:04:00,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:00,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:01,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:01,497 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:01,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:01,641 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:01,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01 WrapperNode [2019-11-24 21:04:01,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:01,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:01,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:01,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:01,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:01,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,850 INFO L168 Benchmark]: Toolchain (without parser) took 1093.23 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 985.8 MB in the end (delta: -24.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:01,864 INFO L168 Benchmark]: CDTParser took 2.00 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. [2019-11-24 21:04:01,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 886.78 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 991.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:01,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.72 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:01,874 INFO L168 Benchmark]: Boogie Preprocessor took 80.19 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:01,887 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.00 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 886.78 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 991.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 115.72 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.19 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 985.8 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 0.1.24-32f2683 [2019-11-24 21:04:05,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:05,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:05,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:05,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:05,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:05,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:05,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:05,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:05,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:05,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:05,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:05,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:05,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:05,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:05,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:05,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:05,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:05,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:05,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:05,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:05,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:05,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:05,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:05,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:05,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:05,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:05,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:05,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:05,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:05,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:05,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:05,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:05,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:05,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:05,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:05,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:05,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:05,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:05,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:05,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:05,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:05,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:05,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:05,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:05,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:05,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:05,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:05,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:05,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:05,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:05,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:05,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:05,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:05,985 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:05,985 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:05,987 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:05,987 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:05,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:05,988 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:05,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:05,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:05,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:05,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:05,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:05,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:05,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:05,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:05,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:05,996 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:05,996 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:05,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:05,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:06,001 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 [2019-11-24 21:04:06,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:06,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:06,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:06,636 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:06,639 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:06,641 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-24 21:04:06,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38b726ae0/2f42ae8d0199420095bc1baef129194c/FLAGfe36cf8df [2019-11-24 21:04:07,919 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:07,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-24 21:04:07,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38b726ae0/2f42ae8d0199420095bc1baef129194c/FLAGfe36cf8df [2019-11-24 21:04:07,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38b726ae0/2f42ae8d0199420095bc1baef129194c [2019-11-24 21:04:07,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:07,995 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:08,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:08,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:08,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:08,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:08,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08, skipping insertion in model container [2019-11-24 21:04:08,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:08,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:08,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:08,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:08,788 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:08,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:08,979 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:08,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08 WrapperNode [2019-11-24 21:04:08,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:08,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:08,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:08,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:09,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:09,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:09,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:09,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:09,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:09,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:09,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:09,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:09,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:09,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:09,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:09,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:09,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:09,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:09,230 INFO L168 Benchmark]: Toolchain (without parser) took 1231.65 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 984.4 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:09,235 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-24 21:04:09,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 979.08 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:09,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.36 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:09,252 INFO L168 Benchmark]: Boogie Preprocessor took 96.35 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:09,268 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 979.08 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.36 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.35 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 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...