./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter1.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/filter1.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 6be95ce5dac6bce8b7e683ffdebefa6f044a3b94 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/filter1.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 6be95ce5dac6bce8b7e683ffdebefa6f044a3b94 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:03:50,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:50,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:50,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:50,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:50,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:50,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:50,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:50,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:50,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:50,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:50,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:50,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:50,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:50,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:50,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:50,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:50,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:50,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:50,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:50,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:50,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:50,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:50,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:50,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:50,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:50,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:50,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:50,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:50,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:50,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:50,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:50,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:50,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:50,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:50,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:50,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:50,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:50,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:50,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:50,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:50,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:50,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:50,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:50,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:50,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:50,939 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:50,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:50,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:50,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:50,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:50,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:50,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:50,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:50,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:50,946 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:50,946 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:50,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:50,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:50,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:50,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:50,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:50,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:50,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:50,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:50,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:50,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:50,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:50,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:50,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:50,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:50,956 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 -> 6be95ce5dac6bce8b7e683ffdebefa6f044a3b94 [2019-11-24 21:03:51,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:51,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:51,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:51,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:51,595 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:51,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2019-11-24 21:03:51,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c47ef07a/e3dea657f7a6475a801c444aae8428a1/FLAG65be55c27 [2019-11-24 21:03:52,839 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:52,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2019-11-24 21:03:52,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c47ef07a/e3dea657f7a6475a801c444aae8428a1/FLAG65be55c27 [2019-11-24 21:03:52,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c47ef07a/e3dea657f7a6475a801c444aae8428a1 [2019-11-24 21:03:52,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:52,925 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:52,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:52,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:52,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:52,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:52" (1/1) ... [2019-11-24 21:03:52,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3514b78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:52, skipping insertion in model container [2019-11-24 21:03:52,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:52" (1/1) ... [2019-11-24 21:03:52,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:53,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:53,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:53,584 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:53,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:53,854 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:53,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53 WrapperNode [2019-11-24 21:03:53,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:53,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:53,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:53,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:53,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:53,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:53,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:53,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:53,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:53,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:53,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:54,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:54,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:54,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:54,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:54,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:54,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:54,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:54,065 INFO L168 Benchmark]: Toolchain (without parser) took 1135.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:54,066 INFO L168 Benchmark]: CDTParser took 4.24 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:54,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:54,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.66 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:54,073 INFO L168 Benchmark]: Boogie Preprocessor took 80.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:54,082 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.24 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 928.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 113.66 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 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 0.1.24-32f2683 [2019-11-24 21:03:57,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:57,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:57,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:57,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:57,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:57,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:57,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:57,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:57,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:57,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:57,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:57,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:57,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:57,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:57,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:57,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:57,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:57,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:57,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:58,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:58,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:58,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:58,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:58,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:58,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:58,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:58,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:58,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:58,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:58,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:58,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:58,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:58,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:58,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:58,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:58,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:58,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:58,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:58,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:58,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:58,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:03:58,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:58,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:58,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:58,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:58,108 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:58,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:58,110 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:58,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:58,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:58,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:58,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:58,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:58,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:58,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:03:58,116 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:03:58,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:58,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:58,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:58,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:58,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:58,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:58,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:58,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:58,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:58,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:58,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:58,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:58,124 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:03:58,125 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:03:58,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:58,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:03:58,129 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 -> 6be95ce5dac6bce8b7e683ffdebefa6f044a3b94 [2019-11-24 21:03:58,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:58,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:58,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:58,794 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:58,795 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:58,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2019-11-24 21:03:58,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce9a66ba2/08b2baafe63040939415728cd9aacb0f/FLAG2bc7d76b9 [2019-11-24 21:04:00,038 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:00,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2019-11-24 21:04:00,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce9a66ba2/08b2baafe63040939415728cd9aacb0f/FLAG2bc7d76b9 [2019-11-24 21:04:00,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce9a66ba2/08b2baafe63040939415728cd9aacb0f [2019-11-24 21:04:00,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:00,119 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:00,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:00,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:00,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:00,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66078fce 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 21:04:00,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:00,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:00,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:00,770 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:00,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:00,985 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:00,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00 WrapperNode [2019-11-24 21:04:00,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:01,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:01,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:01,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:01,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:01,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:01,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:01,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:01,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:01,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:01,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:01,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:01,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:01,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:01,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,237 INFO L168 Benchmark]: Toolchain (without parser) took 1113.12 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 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:01,239 INFO L168 Benchmark]: CDTParser took 0.51 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 21:04:01,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.25 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. [2019-11-24 21:04:01,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.89 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. [2019-11-24 21:04:01,248 INFO L168 Benchmark]: Boogie Preprocessor took 102.61 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:01,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 863.25 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 125.89 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 102.61 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 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...