./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.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/interpolation2.c.v+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 d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/interpolation2.c.v+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 d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:58,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:58,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:58,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:58,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:58,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:58,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:58,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:58,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:58,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:58,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:58,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:58,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:58,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:58,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:58,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:58,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:58,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:58,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:58,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:58,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:58,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:58,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:58,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:58,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:58,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:58,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:58,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:58,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:58,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:58,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:58,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:58,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:58,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:58,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:58,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:58,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:58,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:58,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:58,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:58,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:58,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:58,496 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:58,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:58,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:58,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:58,504 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:58,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:58,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:58,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:58,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:58,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:58,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:58,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:58,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:58,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:58,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:58,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:58,513 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:58,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:58,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:58,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:58,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:58,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:58,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:58,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:58,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:58,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:58,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:58,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:58,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:58,520 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 -> d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 [2019-11-24 21:03:59,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:59,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:59,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:59,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:59,133 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:59,134 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-24 21:03:59,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6847349bf/5db695ebe54c499b9df6963a334b6af3/FLAG5cdc49197 [2019-11-24 21:04:00,378 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:00,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-24 21:04:00,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6847349bf/5db695ebe54c499b9df6963a334b6af3/FLAG5cdc49197 [2019-11-24 21:04:00,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6847349bf/5db695ebe54c499b9df6963a334b6af3 [2019-11-24 21:04:00,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:00,452 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:00,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:00,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:00,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:00,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563d868a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:00, skipping insertion in model container [2019-11-24 21:04:00,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:00" (1/1) ... [2019-11-24 21:04:00,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:00,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:01,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:01,148 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:01,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:01,278 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:01,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01 WrapperNode [2019-11-24 21:04:01,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:01,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:01,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:01,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:01,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:01,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:01,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:01,465 INFO L168 Benchmark]: Toolchain (without parser) took 1012.20 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 985.9 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:01,482 INFO L168 Benchmark]: CDTParser took 1.97 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 21:04:01,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.29 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 991.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:01,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.09 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:01,489 INFO L168 Benchmark]: Boogie Preprocessor took 77.37 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 985.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:01,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.97 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 823.29 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 991.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.09 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.37 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 985.9 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 0.1.24-32f2683 [2019-11-24 21:04:05,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:05,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:05,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:05,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:05,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:05,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:05,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:05,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:05,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:05,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:05,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:05,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:05,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:05,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:05,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:05,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:05,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:05,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:05,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:05,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:05,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:05,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:05,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:05,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:05,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:05,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:05,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:05,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:05,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:05,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:05,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:05,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:05,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:05,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:05,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:05,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:05,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:05,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:05,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:05,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:05,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:05,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:05,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:05,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:05,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:05,558 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:05,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:05,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:05,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:05,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:05,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:05,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:05,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:05,566 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:05,566 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:05,567 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:05,567 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:05,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:05,568 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:05,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:05,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:05,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:05,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:05,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:05,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:05,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:05,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:05,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:05,576 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:05,576 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:05,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:05,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:05,578 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 -> d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 [2019-11-24 21:04:06,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:06,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:06,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:06,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:06,231 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:06,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-24 21:04:06,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdfc5f74d/8423270de38444b58ab1909cd1d0fc75/FLAGc27f36970 [2019-11-24 21:04:07,458 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:07,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-24 21:04:07,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdfc5f74d/8423270de38444b58ab1909cd1d0fc75/FLAGc27f36970 [2019-11-24 21:04:07,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdfc5f74d/8423270de38444b58ab1909cd1d0fc75 [2019-11-24 21:04:07,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:07,531 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:07,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:07,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:07,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:07,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:07, skipping insertion in model container [2019-11-24 21:04:07,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:07" (1/1) ... [2019-11-24 21:04:07,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:07,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:08,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:08,289 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:08,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:08,489 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:08,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08 WrapperNode [2019-11-24 21:04:08,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:08,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:08,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:08,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:08,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:08,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:08,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:08,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:08,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:08" (1/1) ... [2019-11-24 21:04:08,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:08,732 INFO L168 Benchmark]: Toolchain (without parser) took 1197.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.8 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:08,734 INFO L168 Benchmark]: CDTParser took 2.75 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 21:04:08,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 955.41 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 991.6 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:08,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.75 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:08,757 INFO L168 Benchmark]: Boogie Preprocessor took 105.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:08,763 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.75 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 955.41 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 991.6 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.75 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 105.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 985.8 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...