./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/const_1-2.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/loop-acceleration/const_1-2.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 43a921be62662d276f77f40b7e1ebf136ad21ce8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loop-acceleration/const_1-2.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 43a921be62662d276f77f40b7e1ebf136ad21ce8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:56:06,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:06,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:06,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:06,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:06,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:06,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:06,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:06,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:06,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:06,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:06,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:06,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:06,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:06,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:06,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:06,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:06,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:06,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:06,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:06,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:06,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:06,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:06,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:06,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:06,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:06,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:06,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:06,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:06,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:06,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:06,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:06,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:06,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:06,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:06,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:06,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:06,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:06,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:06,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:06,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:06,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:56:06,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:06,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:06,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:06,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:06,538 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:06,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:06,539 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:06,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:56:06,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:06,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:06,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:06,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:06,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:06,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:06,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:06,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:06,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:06,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:06,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:06,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:06,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:06,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:06,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:06,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:06,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:06,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:56:06,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:56:06,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:06,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a921be62662d276f77f40b7e1ebf136ad21ce8 [2019-11-25 22:56:07,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:07,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:07,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:07,239 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:07,241 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:07,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-25 22:56:07,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2933c29ea/ed542a2480c243849363772bb66bd558/FLAGdedb30ad5 [2019-11-25 22:56:08,461 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:08,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-25 22:56:08,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2933c29ea/ed542a2480c243849363772bb66bd558/FLAGdedb30ad5 [2019-11-25 22:56:08,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2933c29ea/ed542a2480c243849363772bb66bd558 [2019-11-25 22:56:08,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:08,526 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:08,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:08,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:08,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:08,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:08" (1/1) ... [2019-11-25 22:56:08,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717e9a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:08, skipping insertion in model container [2019-11-25 22:56:08,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:08" (1/1) ... [2019-11-25 22:56:08,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:08,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:09,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:09,048 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:09,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:09,105 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:09,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09 WrapperNode [2019-11-25 22:56:09,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:09,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:09,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:09,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:09,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09" (1/1) ... [2019-11-25 22:56:09,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09" (1/1) ... [2019-11-25 22:56:09,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:09,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:09,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:09,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:09,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09" (1/1) ... [2019-11-25 22:56:09,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09" (1/1) ... [2019-11-25 22:56:09,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09" (1/1) ... [2019-11-25 22:56:09,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09" (1/1) ... [2019-11-25 22:56:09,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09" (1/1) ... [2019-11-25 22:56:09,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09" (1/1) ... [2019-11-25 22:56:09,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:09" (1/1) ... [2019-11-25 22:56:09,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:09,331 INFO L168 Benchmark]: Toolchain (without parser) took 801.07 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 996.8 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:09,332 INFO L168 Benchmark]: CDTParser took 1.38 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. [2019-11-25 22:56:09,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.66 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. [2019-11-25 22:56:09,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.43 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 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:09,344 INFO L168 Benchmark]: Boogie Preprocessor took 52.84 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:09,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 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 582.66 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 151.43 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 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.84 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. 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 22:56:13,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:13,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:13,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:13,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:13,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:13,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:13,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:13,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:13,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:13,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:13,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:13,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:13,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:13,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:13,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:13,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:13,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:13,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:13,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:13,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:13,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:13,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:13,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:13,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:13,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:13,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:13,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:13,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:13,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:13,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:13,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:13,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:13,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:13,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:13,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:13,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:13,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:13,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:13,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:13,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:13,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:56:13,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:13,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:13,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:13,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:13,431 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:13,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:13,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:13,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:13,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:13,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:13,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:13,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:13,438 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:56:13,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:56:13,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:13,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:13,441 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:13,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:13,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:13,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:13,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:13,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:13,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:13,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:13,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:13,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:13,447 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:56:13,447 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:56:13,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:13,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:56:13,449 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 -> 43a921be62662d276f77f40b7e1ebf136ad21ce8 [2019-11-25 22:56:14,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:14,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:14,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:14,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:14,074 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:14,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-25 22:56:14,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/471dfafb8/11cdb02a2da849d2919e779b87aae682/FLAGb112ad39b [2019-11-25 22:56:15,337 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:15,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-25 22:56:15,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/471dfafb8/11cdb02a2da849d2919e779b87aae682/FLAGb112ad39b [2019-11-25 22:56:15,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/471dfafb8/11cdb02a2da849d2919e779b87aae682 [2019-11-25 22:56:15,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:15,404 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:15,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:15,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:15,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:15,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:15,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15, skipping insertion in model container [2019-11-25 22:56:15,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:15,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:15,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:15,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:15,914 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:15,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:15,983 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:15,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15 WrapperNode [2019-11-25 22:56:15,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:15,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:15,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:15,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:16,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:16,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:16,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:16,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:16,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:16,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:16,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:16,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:16,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:16,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:16,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:16,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:16,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:15" (1/1) ... [2019-11-25 22:56:16,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:16,173 INFO L168 Benchmark]: Toolchain (without parser) took 760.64 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 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:16,177 INFO L168 Benchmark]: CDTParser took 1.58 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. [2019-11-25 22:56:16,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.83 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. [2019-11-25 22:56:16,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.00 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 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:16,182 INFO L168 Benchmark]: Boogie Preprocessor took 32.26 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:16,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58 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 582.83 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 140.00 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 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.26 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...