./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 da95e156 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-da95e15 [2019-11-27 09:45:06,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:06,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:06,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:06,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:06,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:06,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:06,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:06,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:06,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:06,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:06,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:06,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:06,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:06,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:06,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:06,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:06,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:06,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:06,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:06,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:06,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:06,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:06,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:06,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:06,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:06,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:06,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:06,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:06,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:06,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:06,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:06,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:06,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:06,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:06,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:06,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:06,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:06,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:06,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:06,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:06,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:06,830 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:06,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:06,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:06,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:06,836 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:06,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:06,837 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:06,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:06,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:06,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:06,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:06,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:06,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:06,845 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:06,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:06,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:06,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:06,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:06,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:06,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:06,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:06,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:06,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:06,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:06,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:06,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:06,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:06,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:06,851 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 [2019-11-27 09:45:07,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:07,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:07,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:07,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:07,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:07,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-27 09:45:07,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4483f5742/9de3703bc18a41e6a249321d5c9bb30e/FLAGa6eeff98a [2019-11-27 09:45:08,627 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:08,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-27 09:45:08,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4483f5742/9de3703bc18a41e6a249321d5c9bb30e/FLAGa6eeff98a [2019-11-27 09:45:08,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4483f5742/9de3703bc18a41e6a249321d5c9bb30e [2019-11-27 09:45:08,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:08,696 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:08,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:08,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:08,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:08,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:08, skipping insertion in model container [2019-11-27 09:45:08,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:08" (1/1) ... [2019-11-27 09:45:08,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:08,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:09,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:09,274 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:09,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:09,366 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:09,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09 WrapperNode [2019-11-27 09:45:09,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:09,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:09,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:09,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:09,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09" (1/1) ... [2019-11-27 09:45:09,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09" (1/1) ... [2019-11-27 09:45:09,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:09,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:09,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:09,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:09,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09" (1/1) ... [2019-11-27 09:45:09,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09" (1/1) ... [2019-11-27 09:45:09,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09" (1/1) ... [2019-11-27 09:45:09,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09" (1/1) ... [2019-11-27 09:45:09,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09" (1/1) ... [2019-11-27 09:45:09,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09" (1/1) ... [2019-11-27 09:45:09,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:09" (1/1) ... [2019-11-27 09:45:09,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:09,631 INFO L168 Benchmark]: Toolchain (without parser) took 929.37 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:09,632 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:09,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:09,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:09,642 INFO L168 Benchmark]: Boogie Preprocessor took 75.87 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:09,655 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 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 668.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 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 168.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.87 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:13,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:13,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:13,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:13,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:13,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:13,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:13,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:13,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:13,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:13,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:13,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:13,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:13,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:13,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:13,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:13,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:13,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:13,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:13,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:13,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:13,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:13,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:13,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:13,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:13,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:13,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:13,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:13,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:13,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:13,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:13,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:13,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:13,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:13,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:13,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:13,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:13,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:13,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:13,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:13,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:13,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:13,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:13,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:13,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:13,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:13,726 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:13,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:13,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:13,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:13,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:13,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:13,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:13,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:13,731 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:13,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:13,735 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:13,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:13,735 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:13,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:13,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:13,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:13,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:13,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:13,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:13,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:13,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:13,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:13,740 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:13,741 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:13,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:13,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:13,745 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 [2019-11-27 09:45:14,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:14,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:14,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:14,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:14,469 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:14,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-27 09:45:14,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec18e5b4e/c54a2a0a067144d4b153b173f5819efb/FLAG4de3a82dd [2019-11-27 09:45:15,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:15,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-27 09:45:15,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec18e5b4e/c54a2a0a067144d4b153b173f5819efb/FLAG4de3a82dd [2019-11-27 09:45:15,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec18e5b4e/c54a2a0a067144d4b153b173f5819efb [2019-11-27 09:45:15,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:15,821 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:15,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:15,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:15,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:15,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6369c289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15, skipping insertion in model container [2019-11-27 09:45:15,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:15,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:16,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:16,421 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:16,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:16,541 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:16,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16 WrapperNode [2019-11-27 09:45:16,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:16,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:16,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:16,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:16,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:16,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:16,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:16,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:16,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:16,867 INFO L168 Benchmark]: Toolchain (without parser) took 1043.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 989.8 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:16,868 INFO L168 Benchmark]: CDTParser took 2.74 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. [2019-11-27 09:45:16,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.83 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:16,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 217.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:16,879 INFO L168 Benchmark]: Boogie Preprocessor took 97.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 989.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:16,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.74 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 720.83 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 217.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 989.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...