./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter2_reinit.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/filter2_reinit.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 ced428c286e7374c71f15ab90db217e774f0efec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/filter2_reinit.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 ced428c286e7374c71f15ab90db217e774f0efec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:57:54,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:54,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:54,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:54,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:54,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:54,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:54,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:54,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:54,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:54,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:54,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:54,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:54,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:54,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:54,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:54,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:54,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:54,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:54,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:54,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:54,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:54,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:54,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:54,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:54,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:54,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:54,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:54,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:54,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:54,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:54,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:54,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:54,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:54,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:54,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:54,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:54,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:54,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:54,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:54,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:54,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:54,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:54,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:54,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:54,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:54,903 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:54,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:54,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:54,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:54,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:54,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:54,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:54,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:54,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:54,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:54,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:54,910 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:54,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:54,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:54,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:54,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:54,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:54,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:54,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:54,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:54,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:54,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:54,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:54,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:54,918 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 -> ced428c286e7374c71f15ab90db217e774f0efec [2019-11-26 16:57:55,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:55,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:55,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:55,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:55,549 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:55,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-26 16:57:55,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ebc929b/b19729dcdab44da18f11bbd500fd735a/FLAG1874fc786 [2019-11-26 16:57:56,780 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:56,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-26 16:57:56,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ebc929b/b19729dcdab44da18f11bbd500fd735a/FLAG1874fc786 [2019-11-26 16:57:56,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ebc929b/b19729dcdab44da18f11bbd500fd735a [2019-11-26 16:57:56,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:56,857 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:56,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:56,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:56,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:56,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f019929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56, skipping insertion in model container [2019-11-26 16:57:56,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:56,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:57,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:57,420 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:57,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:57,478 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:57,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57 WrapperNode [2019-11-26 16:57:57,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:57,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:57,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:57,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:57,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:57,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:57,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:57,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:57,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:57,723 INFO L168 Benchmark]: Toolchain (without parser) took 867.60 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 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:57,739 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-26 16:57:57,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.23 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:57,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 991.3 MB in the end (delta: -35.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:57,748 INFO L168 Benchmark]: Boogie Preprocessor took 47.22 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:57,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 626.23 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 183.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 991.3 MB in the end (delta: -35.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.22 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. 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 16:58:01,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:01,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:01,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:01,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:01,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:01,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:01,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:01,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:01,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:01,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:01,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:01,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:01,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:01,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:01,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:01,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:01,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:01,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:01,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:01,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:01,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:01,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:01,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:01,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:01,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:01,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:01,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:01,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:01,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:01,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:01,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:01,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:01,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:01,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:01,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:01,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:01,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:01,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:01,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:01,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:01,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:01,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:01,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:01,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:01,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:01,882 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:01,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:01,885 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:01,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:01,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:01,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:01,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:01,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:01,888 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:01,890 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:01,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:01,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:01,891 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:01,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:01,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:01,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:01,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:01,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:01,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:01,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:01,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:01,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:01,897 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:01,897 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:01,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:01,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:01,902 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 -> ced428c286e7374c71f15ab90db217e774f0efec [2019-11-26 16:58:02,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:02,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:02,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:02,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:02,549 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:02,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-26 16:58:02,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0c4d5ff/7449032953ae4ca79f273a23e8d30aed/FLAG5ac0f32a0 [2019-11-26 16:58:03,776 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:03,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-26 16:58:03,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0c4d5ff/7449032953ae4ca79f273a23e8d30aed/FLAG5ac0f32a0 [2019-11-26 16:58:03,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0c4d5ff/7449032953ae4ca79f273a23e8d30aed [2019-11-26 16:58:03,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:03,850 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:03,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:03,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:03,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:03,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:03" (1/1) ... [2019-11-26 16:58:03,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f662366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:03, skipping insertion in model container [2019-11-26 16:58:03,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:03" (1/1) ... [2019-11-26 16:58:03,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:03,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:04,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:04,452 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:04,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:04,717 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:04,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04 WrapperNode [2019-11-26 16:58:04,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:04,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:04,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:04,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:04,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:04,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:04,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:04,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:04,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:04,945 INFO L168 Benchmark]: Toolchain (without parser) took 1086.16 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 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:04,947 INFO L168 Benchmark]: CDTParser took 3.54 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 16:58:04,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 864.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:04,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.29 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:04,956 INFO L168 Benchmark]: Boogie Preprocessor took 109.70 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:04,967 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.54 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 864.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 103.29 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 109.70 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 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...