./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/loop-1.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/loop-1.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 5d57b69a18e01217b153b00cc1c03d5a7a42828b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-1.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 5d57b69a18e01217b153b00cc1c03d5a7a42828b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:04:03,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:03,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:03,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:03,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:03,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:03,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:03,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:03,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:03,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:03,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:03,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:03,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:03,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:03,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:03,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:03,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:03,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:03,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:03,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:03,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:03,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:03,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:03,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:03,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:03,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:03,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:03,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:03,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:03,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:03,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:03,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:03,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:03,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:03,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:03,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:03,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:03,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:03,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:03,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:03,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:03,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:04:03,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:03,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:03,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:03,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:03,529 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:03,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:03,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:03,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:04:03,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:03,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:03,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:03,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:03,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:03,537 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:03,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:03,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:03,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:03,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:03,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:03,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:03,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:03,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:03,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:03,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:03,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:03,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:03,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:04:03,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:04:03,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:03,547 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 -> 5d57b69a18e01217b153b00cc1c03d5a7a42828b [2019-11-24 21:04:04,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:04,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:04,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:04,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:04,218 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:04,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/loop-1.c [2019-11-24 21:04:04,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e207dbe1/a5fbdfc7f6b9446eb6cbe371390e633b/FLAG8d6383002 [2019-11-24 21:04:05,458 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:05,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/loop-1.c [2019-11-24 21:04:05,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e207dbe1/a5fbdfc7f6b9446eb6cbe371390e633b/FLAG8d6383002 [2019-11-24 21:04:05,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e207dbe1/a5fbdfc7f6b9446eb6cbe371390e633b [2019-11-24 21:04:05,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:05,523 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:05,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:05,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:05,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:05,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:05" (1/1) ... [2019-11-24 21:04:05,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:05, skipping insertion in model container [2019-11-24 21:04:05,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:05" (1/1) ... [2019-11-24 21:04:05,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:05,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:06,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:06,085 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:06,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:06,165 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:06,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06 WrapperNode [2019-11-24 21:04:06,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:06,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:06,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:06,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:06,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:06,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:06,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:06,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:06,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:06" (1/1) ... [2019-11-24 21:04:06,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:06,438 INFO L168 Benchmark]: Toolchain (without parser) took 906.80 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:06,441 INFO L168 Benchmark]: CDTParser took 1.78 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 21:04:06,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.76 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. [2019-11-24 21:04:06,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.99 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:06,450 INFO L168 Benchmark]: Boogie Preprocessor took 62.82 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:06,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.78 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 644.76 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 190.99 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.82 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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 0.1.24-32f2683 [2019-11-24 21:04:10,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:10,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:10,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:10,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:10,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:10,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:10,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:10,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:10,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:10,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:10,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:10,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:10,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:10,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:10,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:10,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:10,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:10,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:10,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:10,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:10,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:10,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:10,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:10,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:10,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:10,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:10,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:10,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:10,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:10,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:10,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:10,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:10,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:10,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:10,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:10,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:10,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:10,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:10,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:10,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:10,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:10,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:10,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:10,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:10,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:10,555 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:10,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:10,556 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:10,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:10,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:10,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:10,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:10,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:10,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:10,563 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:10,563 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:10,565 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:10,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:10,565 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:10,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:10,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:10,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:10,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:10,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:10,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:10,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:10,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:10,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:10,571 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:10,573 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:10,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:10,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:10,575 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 -> 5d57b69a18e01217b153b00cc1c03d5a7a42828b [2019-11-24 21:04:11,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:11,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:11,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:11,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:11,273 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:11,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/loop-1.c [2019-11-24 21:04:11,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2503248/30d6f149aa424b979fdef18cb141928d/FLAG7bf3fe019 [2019-11-24 21:04:12,460 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:12,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/loop-1.c [2019-11-24 21:04:12,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2503248/30d6f149aa424b979fdef18cb141928d/FLAG7bf3fe019 [2019-11-24 21:04:12,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2503248/30d6f149aa424b979fdef18cb141928d [2019-11-24 21:04:12,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:12,533 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:12,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:12,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:12,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:12,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:12" (1/1) ... [2019-11-24 21:04:12,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:12, skipping insertion in model container [2019-11-24 21:04:12,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:12" (1/1) ... [2019-11-24 21:04:12,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:12,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:13,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:13,119 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:13,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:13,201 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:13,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13 WrapperNode [2019-11-24 21:04:13,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:13,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:13,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:13,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:13,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13" (1/1) ... [2019-11-24 21:04:13,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13" (1/1) ... [2019-11-24 21:04:13,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:13,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:13,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:13,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:13,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13" (1/1) ... [2019-11-24 21:04:13,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13" (1/1) ... [2019-11-24 21:04:13,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13" (1/1) ... [2019-11-24 21:04:13,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13" (1/1) ... [2019-11-24 21:04:13,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13" (1/1) ... [2019-11-24 21:04:13,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13" (1/1) ... [2019-11-24 21:04:13,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:13" (1/1) ... [2019-11-24 21:04:13,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:13,485 INFO L168 Benchmark]: Toolchain (without parser) took 934.07 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:13,490 INFO L168 Benchmark]: CDTParser took 1.43 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 21:04:13,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.63 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:13,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:13,502 INFO L168 Benchmark]: Boogie Preprocessor took 70.54 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:13,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 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 663.63 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 189.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.54 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...