./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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+lhb-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 056bf8e6ba5df6966e0f82320ce36676b5ee3b5e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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+lhb-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 056bf8e6ba5df6966e0f82320ce36676b5ee3b5e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:51,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:51,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:51,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:51,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:51,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:51,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:51,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:51,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:51,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:51,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:51,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:51,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:51,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:51,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:51,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:51,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:51,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:51,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:51,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:51,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:51,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:51,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:51,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:51,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:51,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:51,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:51,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:51,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:51,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:51,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:51,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:51,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:51,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:51,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:51,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:51,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:51,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:51,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:51,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:51,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:51,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:51,946 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:51,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:51,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:51,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:51,957 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:51,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:51,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:51,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:51,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:51,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:51,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:51,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:51,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:51,962 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:51,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:51,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:51,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:51,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:51,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:51,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:51,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:51,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:51,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:51,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:51,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:51,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:51,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:51,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:51,970 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 -> 056bf8e6ba5df6966e0f82320ce36676b5ee3b5e [2019-11-26 16:57:52,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:52,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:52,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:52,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:52,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:52,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2019-11-26 16:57:52,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dfd7500/1b1c047e4171429e94204b83a79c568d/FLAG4afa69139 [2019-11-26 16:57:53,833 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:53,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2019-11-26 16:57:53,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dfd7500/1b1c047e4171429e94204b83a79c568d/FLAG4afa69139 [2019-11-26 16:57:53,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dfd7500/1b1c047e4171429e94204b83a79c568d [2019-11-26 16:57:53,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:53,908 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:53,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:53,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:53,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:53,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:53" (1/1) ... [2019-11-26 16:57:53,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4f9b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:53, skipping insertion in model container [2019-11-26 16:57:53,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:53" (1/1) ... [2019-11-26 16:57:53,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:54,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:54,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:54,516 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:54,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:54,699 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:54,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54 WrapperNode [2019-11-26 16:57:54,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:54,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:54,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:54,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:54,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:54,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:54,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:54,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:54,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:54,852 INFO L168 Benchmark]: Toolchain (without parser) took 927.85 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:54,856 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-26 16:57:54,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.27 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 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:54,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.09 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. [2019-11-26 16:57:54,862 INFO L168 Benchmark]: Boogie Preprocessor took 56.60 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. [2019-11-26 16:57:54,870 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 788.27 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 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 73.09 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 56.60 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 0.1.24-025d5a2 [2019-11-26 16:57:58,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:58,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:58,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:58,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:58,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:58,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:58,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:58,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:58,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:58,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:58,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:58,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:58,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:58,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:58,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:58,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:58,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:58,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:58,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:58,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:58,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:58,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:58,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:58,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:58,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:58,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:58,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:58,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:58,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:58,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:58,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:58,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:58,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:58,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:58,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:58,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:58,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:58,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:58,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:58,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:58,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:58,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:58,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:58,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:58,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:58,934 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:58,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:58,936 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:58,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:58,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:58,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:58,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:58,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:58,942 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:58,942 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:58,943 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:58,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:58,946 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:58,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:58,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:58,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:58,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:58,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:58,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:58,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:58,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:58,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:58,953 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:58,953 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:58,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:58,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:58,958 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 -> 056bf8e6ba5df6966e0f82320ce36676b5ee3b5e [2019-11-26 16:57:59,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:59,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:59,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:59,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:59,560 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:59,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2019-11-26 16:57:59,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd2854933/111dfb9b1f894e51acf05ff00060ab82/FLAGa0a43574b [2019-11-26 16:58:00,776 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:00,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2019-11-26 16:58:00,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd2854933/111dfb9b1f894e51acf05ff00060ab82/FLAGa0a43574b [2019-11-26 16:58:00,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd2854933/111dfb9b1f894e51acf05ff00060ab82 [2019-11-26 16:58:00,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:00,847 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:00,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:00,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:00,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:00,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,872 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 26.11 04:58:00, skipping insertion in model container [2019-11-26 16:58:00,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:00,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:01,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:01,516 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:01,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:01,728 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:01,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01 WrapperNode [2019-11-26 16:58:01,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:01,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:01,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:01,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:01,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:01,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:01,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:01,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:01,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:01,961 INFO L168 Benchmark]: Toolchain (without parser) took 1111.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:01,968 INFO L168 Benchmark]: CDTParser took 0.46 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. [2019-11-26 16:58:01,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:01,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.41 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. [2019-11-26 16:58:01,974 INFO L168 Benchmark]: Boogie Preprocessor took 102.80 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. [2019-11-26 16:58:01,984 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 877.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 121.41 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 102.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...