./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6710c77e3bf5a7bf39c573c94c62b098a988af37 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6710c77e3bf5a7bf39c573c94c62b098a988af37 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:51,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:51,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:51,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:51,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:51,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:51,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:51,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:51,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:51,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:51,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:51,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:51,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:51,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:51,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:51,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:51,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:51,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:51,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:51,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:51,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:51,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:51,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:51,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:51,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:51,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:51,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:51,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:51,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:51,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:51,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:51,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:51,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:51,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:51,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:51,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:51,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:51,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:51,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:51,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:51,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:51,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:51,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:51,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:51,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:51,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:51,518 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:51,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:51,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:51,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:51,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:51,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:51,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:51,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:51,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:51,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:51,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:51,526 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:51,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:51,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:51,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:51,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:51,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:51,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:51,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:51,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:51,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:51,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:51,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:51,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:51,533 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 -> 6710c77e3bf5a7bf39c573c94c62b098a988af37 [2019-11-26 16:57:52,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:52,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:52,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:52,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:52,180 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:52,183 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2019-11-26 16:57:52,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5a7d912/d9a42a12c7894d9795244a6ce5be1a1f/FLAG86c32ecae [2019-11-26 16:57:53,416 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:53,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2019-11-26 16:57:53,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5a7d912/d9a42a12c7894d9795244a6ce5be1a1f/FLAG86c32ecae [2019-11-26 16:57:53,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5a7d912/d9a42a12c7894d9795244a6ce5be1a1f [2019-11-26 16:57:53,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:53,485 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:53,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:53,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:53,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:53,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:53" (1/1) ... [2019-11-26 16:57:53,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3514b78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:53, skipping insertion in model container [2019-11-26 16:57:53,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:53" (1/1) ... [2019-11-26 16:57:53,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:53,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:54,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:54,064 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:54,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:54,201 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:54,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54 WrapperNode [2019-11-26 16:57:54,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:54,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:54,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:54,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:54,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:54,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:54,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:54,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:54,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:54" (1/1) ... [2019-11-26 16:57:54,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:54,349 INFO L168 Benchmark]: Toolchain (without parser) took 847.69 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. [2019-11-26 16:57:54,350 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:54,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.75 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:54,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.26 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:54,359 INFO L168 Benchmark]: Boogie Preprocessor took 48.55 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. [2019-11-26 16:57:54,371 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 714.75 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 77.26 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.55 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 0.1.24-025d5a2 [2019-11-26 16:57:58,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:58,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:58,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:58,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:58,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:58,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:58,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:58,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:58,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:58,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:58,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:58,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:58,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:58,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:58,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:58,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:58,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:58,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:58,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:58,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:58,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:58,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:58,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:58,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:58,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:58,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:58,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:58,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:58,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:58,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:58,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:58,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:58,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:58,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:58,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:58,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:58,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:58,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:58,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:58,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:58,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:58,517 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:58,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:58,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:58,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:58,524 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:58,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:58,527 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:58,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:58,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:58,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:58,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:58,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:58,532 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:58,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:58,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:58,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:58,534 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:58,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:58,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:58,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:58,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:58,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:58,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:58,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:58,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:58,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:58,539 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:58,541 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:58,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:58,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:58,543 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 -> 6710c77e3bf5a7bf39c573c94c62b098a988af37 [2019-11-26 16:57:59,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:59,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:59,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:59,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:59,172 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:59,174 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2019-11-26 16:57:59,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95218a85c/5f990b1393b143ca87d0c8fdb91da647/FLAGde1ff66ac [2019-11-26 16:58:00,374 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:00,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2019-11-26 16:58:00,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95218a85c/5f990b1393b143ca87d0c8fdb91da647/FLAGde1ff66ac [2019-11-26 16:58:00,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95218a85c/5f990b1393b143ca87d0c8fdb91da647 [2019-11-26 16:58:00,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:00,446 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:00,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:00,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:00,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:00,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66078fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:00, skipping insertion in model container [2019-11-26 16:58:00,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:00" (1/1) ... [2019-11-26 16:58:00,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:00,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:01,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:01,027 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:01,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:01,216 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:01,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01 WrapperNode [2019-11-26 16:58:01,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:01,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:01,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:01,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:01,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:01,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:01,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:01,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:01,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:01" (1/1) ... [2019-11-26 16:58:01,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:01,391 INFO L168 Benchmark]: Toolchain (without parser) took 928.09 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: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:01,393 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:01,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.44 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:01,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.72 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:01,402 INFO L168 Benchmark]: Boogie Preprocessor took 65.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 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 16:58:01,414 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 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 768.44 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 80.72 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 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...