./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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.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 beedb9a8d8686be50b22ed973340512a3ed88d27 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.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 beedb9a8d8686be50b22ed973340512a3ed88d27 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:03,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:03,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:03,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:03,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:03,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:03,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:03,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:03,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:03,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:03,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:03,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:03,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:03,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:03,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:03,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:03,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:03,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:03,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:03,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:03,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:03,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:03,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:03,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:03,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:03,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:03,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:03,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:03,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:03,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:03,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:03,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:03,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:03,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:03,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:03,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:03,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:03,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:03,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:03,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:03,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:03,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:03,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:03,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:03,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:03,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:03,429 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:03,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:03,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:03,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:03,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:03,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:03,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:03,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:03,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:03,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:03,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:03,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:03,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:03,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:03,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:03,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:03,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:03,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:03,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:03,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:03,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:03,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:03,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:03,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:03,440 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 -> beedb9a8d8686be50b22ed973340512a3ed88d27 [2019-11-25 22:50:03,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:03,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:03,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:03,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:03,948 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:03,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2.c [2019-11-25 22:50:04,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23185dc2e/ef81d8d27c2c4173a132c69ad81f165f/FLAGc06ae276d [2019-11-25 22:50:04,779 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:04,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c [2019-11-25 22:50:04,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23185dc2e/ef81d8d27c2c4173a132c69ad81f165f/FLAGc06ae276d [2019-11-25 22:50:05,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23185dc2e/ef81d8d27c2c4173a132c69ad81f165f [2019-11-25 22:50:05,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:05,121 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:05,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:05,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:05,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:05,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c02fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05, skipping insertion in model container [2019-11-25 22:50:05,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:05,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:05,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:05,511 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:05,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:05,551 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:05,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05 WrapperNode [2019-11-25 22:50:05,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:05,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:05,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:05,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:05,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:05,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:05,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:05,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:05,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:05,715 INFO L168 Benchmark]: Toolchain (without parser) took 589.79 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: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:05,716 INFO L168 Benchmark]: CDTParser took 1.61 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. [2019-11-25 22:50:05,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:05,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 985.6 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:05,734 INFO L168 Benchmark]: Boogie Preprocessor took 34.43 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. [2019-11-25 22:50:05,746 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.61 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 429.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 115.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 985.6 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 34.43 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:08,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:08,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:08,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:08,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:08,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:08,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:08,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:08,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:08,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:08,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:08,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:08,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:08,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:08,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:08,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:08,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:08,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:08,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:08,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:08,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:08,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:08,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:08,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:08,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:08,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:08,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:08,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:08,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:08,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:08,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:08,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:08,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:08,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:08,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:08,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:08,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:08,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:08,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:08,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:08,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:08,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:08,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:08,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:08,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:08,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:08,629 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:08,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:08,630 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:08,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:08,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:08,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:08,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:08,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:08,632 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:08,632 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:08,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:08,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:08,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:08,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:08,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:08,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:08,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:08,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:08,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:08,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:08,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:08,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:08,637 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:08,639 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:08,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:08,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:08,640 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 -> beedb9a8d8686be50b22ed973340512a3ed88d27 [2019-11-25 22:50:09,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:09,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:09,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:09,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:09,146 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:09,147 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2.c [2019-11-25 22:50:09,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c109eb4f7/cc1074b5f1a54067ad76620ecc887a62/FLAGe055f56a4 [2019-11-25 22:50:09,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:09,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c [2019-11-25 22:50:09,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c109eb4f7/cc1074b5f1a54067ad76620ecc887a62/FLAGe055f56a4 [2019-11-25 22:50:10,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c109eb4f7/cc1074b5f1a54067ad76620ecc887a62 [2019-11-25 22:50:10,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:10,321 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:10,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:10,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:10,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:10,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e3592a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10, skipping insertion in model container [2019-11-25 22:50:10,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:10,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:10,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:10,704 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:10,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:10,855 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:10,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10 WrapperNode [2019-11-25 22:50:10,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:10,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:10,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:10,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:10,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:10,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:10,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:10,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:10,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:10" (1/1) ... [2019-11-25 22:50:10,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:10,960 INFO L168 Benchmark]: Toolchain (without parser) took 636.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.6 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:10,960 INFO L168 Benchmark]: CDTParser took 1.61 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. [2019-11-25 22:50:10,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 995.3 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:10,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.83 ms. Allocated memory is still 1.0 GB. Free memory is still 995.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:10,967 INFO L168 Benchmark]: Boogie Preprocessor took 56.29 ms. Allocated memory is still 1.0 GB. Free memory was 995.3 MB in the beginning and 989.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:10,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.61 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 535.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 995.3 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 39.83 ms. Allocated memory is still 1.0 GB. Free memory is still 995.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.29 ms. Allocated memory is still 1.0 GB. Free memory was 995.3 MB in the beginning and 989.6 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...