./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_2-2.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/loop-acceleration/simple_2-2.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 baae1cc7aa11eb3c18aaf63a96f02979d33776a5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/simple_2-2.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 baae1cc7aa11eb3c18aaf63a96f02979d33776a5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:10:03,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:03,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:03,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:03,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:03,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:03,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:03,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:03,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:03,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:03,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:03,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:03,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:03,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:03,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:03,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:03,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:03,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:03,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:03,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:03,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:03,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:03,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:03,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:03,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:03,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:03,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:03,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:03,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:03,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:03,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:03,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:03,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:03,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:03,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:03,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:03,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:03,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:03,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:03,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:03,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:03,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:10:03,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:03,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:03,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:03,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:03,516 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:03,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:03,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:03,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:10:03,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:03,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:03,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:03,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:03,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:03,523 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:03,523 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:03,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:03,524 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:03,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:03,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:03,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:03,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:03,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:03,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:03,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:03,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:03,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:03,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:10:03,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:10:03,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:03,535 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 -> baae1cc7aa11eb3c18aaf63a96f02979d33776a5 [2019-11-24 21:10:04,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:04,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:04,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:04,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:04,188 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:04,189 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_2-2.c [2019-11-24 21:10:04,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c5071ff/efa6e048d5764710a1f06d16e0c6b16d/FLAG1e556d436 [2019-11-24 21:10:05,426 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:05,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_2-2.c [2019-11-24 21:10:05,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c5071ff/efa6e048d5764710a1f06d16e0c6b16d/FLAG1e556d436 [2019-11-24 21:10:05,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c5071ff/efa6e048d5764710a1f06d16e0c6b16d [2019-11-24 21:10:05,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:05,499 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:05,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:05,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:05,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:05,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05, skipping insertion in model container [2019-11-24 21:10:05,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:05,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:06,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:06,064 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:06,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:06,137 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:06,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06 WrapperNode [2019-11-24 21:10:06,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:06,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:06,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:06,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:06,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06" (1/1) ... [2019-11-24 21:10:06,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06" (1/1) ... [2019-11-24 21:10:06,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:06,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:06,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:06,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:06,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06" (1/1) ... [2019-11-24 21:10:06,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06" (1/1) ... [2019-11-24 21:10:06,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06" (1/1) ... [2019-11-24 21:10:06,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06" (1/1) ... [2019-11-24 21:10:06,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06" (1/1) ... [2019-11-24 21:10:06,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06" (1/1) ... [2019-11-24 21:10:06,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:06" (1/1) ... [2019-11-24 21:10:06,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:06,362 INFO L168 Benchmark]: Toolchain (without parser) took 855.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:06,366 INFO L168 Benchmark]: CDTParser took 3.08 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 21:10:06,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.08 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 21:10:06,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:06,385 INFO L168 Benchmark]: Boogie Preprocessor took 36.26 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. [2019-11-24 21:10:06,398 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.08 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 638.08 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 170.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 36.26 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 0.1.24-32f2683 [2019-11-24 21:10:10,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:10,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:10,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:10,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:10,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:10,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:10,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:10,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:10,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:10,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:10,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:10,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:10,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:10,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:10,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:10,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:10,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:10,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:10,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:10,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:10,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:10,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:10,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:10,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:10,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:10,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:10,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:10,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:10,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:10,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:10,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:10,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:10,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:10,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:10,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:10,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:10,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:10,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:10,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:10,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:10,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:10:10,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:10,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:10,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:10,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:10,604 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:10,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:10,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:10,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:10,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:10,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:10,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:10,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:10,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:10,610 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:10:10,613 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:10:10,613 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:10,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:10,614 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:10,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:10,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:10,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:10,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:10,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:10,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:10,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:10,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:10,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:10,619 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:10:10,622 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:10:10,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:10,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:10:10,624 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 -> baae1cc7aa11eb3c18aaf63a96f02979d33776a5 [2019-11-24 21:10:11,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:11,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:11,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:11,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:11,281 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:11,283 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_2-2.c [2019-11-24 21:10:11,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6110f7268/c4dfe16e6d7b4bfab1e5e595d89c2225/FLAGf77c93350 [2019-11-24 21:10:12,486 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:12,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_2-2.c [2019-11-24 21:10:12,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6110f7268/c4dfe16e6d7b4bfab1e5e595d89c2225/FLAGf77c93350 [2019-11-24 21:10:12,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6110f7268/c4dfe16e6d7b4bfab1e5e595d89c2225 [2019-11-24 21:10:12,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:12,700 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:12,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:12,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:12,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:12,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12, skipping insertion in model container [2019-11-24 21:10:12,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:12,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:13,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:13,196 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:13,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:13,249 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:13,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13 WrapperNode [2019-11-24 21:10:13,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:13,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:13,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:13,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:13,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13" (1/1) ... [2019-11-24 21:10:13,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13" (1/1) ... [2019-11-24 21:10:13,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:13,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:13,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:13,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:13,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13" (1/1) ... [2019-11-24 21:10:13,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13" (1/1) ... [2019-11-24 21:10:13,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13" (1/1) ... [2019-11-24 21:10:13,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13" (1/1) ... [2019-11-24 21:10:13,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13" (1/1) ... [2019-11-24 21:10:13,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13" (1/1) ... [2019-11-24 21:10:13,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:13" (1/1) ... [2019-11-24 21:10:13,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:13,477 INFO L168 Benchmark]: Toolchain (without parser) took 775.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:13,495 INFO L168 Benchmark]: CDTParser took 0.53 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 21:10:13,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:13,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.3 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:13,506 INFO L168 Benchmark]: Boogie Preprocessor took 30.47 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. [2019-11-24 21:10:13,519 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 543.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 182.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.3 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 30.47 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...