./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter2_iterated.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/filter2_iterated.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 e71375352cb0ad247550ffa746935e0806d4b0b5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_iterated.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 e71375352cb0ad247550ffa746935e0806d4b0b5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:51,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:51,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:51,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:51,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:51,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:51,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:51,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:51,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:51,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:51,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:51,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:51,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:51,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:51,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:51,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:51,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:51,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:51,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:51,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:51,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:51,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:51,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:51,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:51,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:51,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:51,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:51,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:51,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:51,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:51,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:51,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:51,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:51,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:51,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:51,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:51,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:51,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:51,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:51,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:51,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:51,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:51,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:51,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:51,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:51,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:51,541 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:51,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:51,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:51,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:51,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:51,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:51,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:51,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:51,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:51,547 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:51,547 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:51,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:51,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:51,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:51,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:51,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:51,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:51,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:51,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:51,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:51,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:51,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:51,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:51,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:51,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:51,556 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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2019-11-24 21:03:52,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:52,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:52,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:52,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:52,169 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:52,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-24 21:03:52,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffb10a27c/50a855eb5e78443db5084f607230ca3b/FLAGf93a66843 [2019-11-24 21:03:53,365 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:53,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-24 21:03:53,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffb10a27c/50a855eb5e78443db5084f607230ca3b/FLAGf93a66843 [2019-11-24 21:03:53,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffb10a27c/50a855eb5e78443db5084f607230ca3b [2019-11-24 21:03:53,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:53,539 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:53,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:53,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:53,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:53,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:53,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:53, skipping insertion in model container [2019-11-24 21:03:53,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:53" (1/1) ... [2019-11-24 21:03:53,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:53,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:54,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:54,149 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:54,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:54,404 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:54,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54 WrapperNode [2019-11-24 21:03:54,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:54,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:54,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:54,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:54,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54" (1/1) ... [2019-11-24 21:03:54,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54" (1/1) ... [2019-11-24 21:03:54,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:54,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:54,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:54,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:54,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54" (1/1) ... [2019-11-24 21:03:54,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54" (1/1) ... [2019-11-24 21:03:54,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54" (1/1) ... [2019-11-24 21:03:54,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54" (1/1) ... [2019-11-24 21:03:54,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54" (1/1) ... [2019-11-24 21:03:54,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54" (1/1) ... [2019-11-24 21:03:54,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:54" (1/1) ... [2019-11-24 21:03:54,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:54,640 INFO L168 Benchmark]: Toolchain (without parser) took 1085.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 980.0 MB in the end (delta: -12.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:54,643 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:54,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:54,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.27 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:54,654 INFO L168 Benchmark]: Boogie Preprocessor took 83.56 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 980.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:54,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 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 861.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.27 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 83.56 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 980.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:58,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:58,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:58,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:58,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:58,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:58,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:58,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:58,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:58,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:58,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:58,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:58,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:58,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:58,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:58,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:58,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:58,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:58,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:58,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:58,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:58,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:58,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:58,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:58,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:58,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:58,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:58,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:58,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:58,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:58,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:58,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:58,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:58,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:58,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:58,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:58,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:58,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:58,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:58,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:58,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:58,646 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:03:58,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:58,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:58,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:58,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:58,692 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:58,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:58,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:58,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:58,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:58,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:58,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:58,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:58,699 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:58,699 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:03:58,700 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:03:58,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:58,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:58,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:58,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:58,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:58,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:58,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:58,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:58,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:58,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:58,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:58,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:58,709 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:03:58,709 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:03:58,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:58,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:03:58,711 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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2019-11-24 21:03:59,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:59,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:59,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:59,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:59,351 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:59,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-24 21:03:59,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/129623484/32a8b654d8044a2cb53ea2fdcd2a72bb/FLAG49da56c21 [2019-11-24 21:04:00,581 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:00,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-24 21:04:00,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/129623484/32a8b654d8044a2cb53ea2fdcd2a72bb/FLAG49da56c21 [2019-11-24 21:04:00,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/129623484/32a8b654d8044a2cb53ea2fdcd2a72bb [2019-11-24 21:04:00,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:00,657 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:00,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:00,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:00,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:00,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b170820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00, skipping insertion in model container [2019-11-24 21:04:00,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:00,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:01,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:01,360 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:01,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:01,585 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:01,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01 WrapperNode [2019-11-24 21:04:01,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:01,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:01,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:01,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:01,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:01,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,836 INFO L168 Benchmark]: Toolchain (without parser) took 1178.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.6 MB in the end (delta: -24.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:01,839 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. [2019-11-24 21:04:01,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.15 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). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:01,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.93 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:01,854 INFO L168 Benchmark]: Boogie Preprocessor took 95.83 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:01,868 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 928.15 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). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 145.93 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 95.83 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 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...