./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/nest-if3.i --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-invgen/nest-if3.i -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 67bb0790f696b3c18eb630bed2fc34fee971c82b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-invgen/nest-if3.i -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 67bb0790f696b3c18eb630bed2fc34fee971c82b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:56:35,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:35,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:35,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:35,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:35,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:35,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:35,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:35,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:35,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:35,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:35,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:35,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:35,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:35,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:35,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:35,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:35,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:35,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:35,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:35,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:35,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:35,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:35,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:35,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:35,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:35,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:35,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:35,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:35,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:35,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:35,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:35,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:35,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:35,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:35,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:35,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:35,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:35,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:35,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:35,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:35,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:56:35,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:35,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:35,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:35,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:35,526 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:35,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:35,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:35,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:56:35,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:35,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:35,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:35,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:35,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:35,536 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:35,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:35,537 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:35,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:35,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:35,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:35,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:35,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:35,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:35,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:35,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:35,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:35,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:56:35,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:56:35,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:35,546 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 -> 67bb0790f696b3c18eb630bed2fc34fee971c82b [2019-11-25 22:56:36,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:36,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:36,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:36,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:36,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:36,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/nest-if3.i [2019-11-25 22:56:36,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199947570/c888bee13660473fb59e97b7045fdf95/FLAG6b74f8820 [2019-11-25 22:56:37,412 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:37,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nest-if3.i [2019-11-25 22:56:37,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199947570/c888bee13660473fb59e97b7045fdf95/FLAG6b74f8820 [2019-11-25 22:56:37,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199947570/c888bee13660473fb59e97b7045fdf95 [2019-11-25 22:56:37,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:37,479 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:37,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:37,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:37,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:37,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:37" (1/1) ... [2019-11-25 22:56:37,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e81e209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:37, skipping insertion in model container [2019-11-25 22:56:37,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:37" (1/1) ... [2019-11-25 22:56:37,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:37,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:37,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:38,000 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:38,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:38,050 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:38,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38 WrapperNode [2019-11-25 22:56:38,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:38,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:38,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:38,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:38,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38" (1/1) ... [2019-11-25 22:56:38,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38" (1/1) ... [2019-11-25 22:56:38,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:38,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:38,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:38,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:38,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38" (1/1) ... [2019-11-25 22:56:38,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38" (1/1) ... [2019-11-25 22:56:38,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38" (1/1) ... [2019-11-25 22:56:38,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38" (1/1) ... [2019-11-25 22:56:38,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38" (1/1) ... [2019-11-25 22:56:38,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38" (1/1) ... [2019-11-25 22:56:38,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:38" (1/1) ... [2019-11-25 22:56:38,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:38,309 INFO L168 Benchmark]: Toolchain (without parser) took 810.53 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:38,311 INFO L168 Benchmark]: CDTParser took 1.28 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 22:56:38,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.54 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 22:56:38,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:38,322 INFO L168 Benchmark]: Boogie Preprocessor took 56.17 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:38,336 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 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 568.54 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 170.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.17 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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 0.1.24-65d6cd2 [2019-11-25 22:56:42,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:42,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:42,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:42,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:42,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:42,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:42,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:42,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:42,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:42,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:42,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:42,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:42,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:42,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:42,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:42,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:42,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:42,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:42,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:42,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:42,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:42,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:42,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:42,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:42,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:42,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:42,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:42,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:42,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:42,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:42,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:42,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:42,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:42,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:42,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:42,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:42,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:42,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:42,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:42,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:42,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:56:42,594 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:42,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:42,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:42,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:42,601 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:42,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:42,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:42,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:42,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:42,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:42,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:42,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:42,605 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:56:42,608 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:56:42,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:42,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:42,609 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:42,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:42,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:42,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:42,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:42,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:42,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:42,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:42,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:42,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:42,615 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:56:42,616 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:56:42,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:42,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:56:42,618 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 -> 67bb0790f696b3c18eb630bed2fc34fee971c82b [2019-11-25 22:56:43,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:43,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:43,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:43,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:43,250 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:43,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/nest-if3.i [2019-11-25 22:56:43,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df291b0b/614e079214b84b46b34142bba6da07f7/FLAG8277cb5fc [2019-11-25 22:56:44,396 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:44,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nest-if3.i [2019-11-25 22:56:44,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df291b0b/614e079214b84b46b34142bba6da07f7/FLAG8277cb5fc [2019-11-25 22:56:44,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df291b0b/614e079214b84b46b34142bba6da07f7 [2019-11-25 22:56:44,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:44,466 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:44,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:44,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:44,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:44,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:44" (1/1) ... [2019-11-25 22:56:44,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1041276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:44, skipping insertion in model container [2019-11-25 22:56:44,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:44" (1/1) ... [2019-11-25 22:56:44,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:44,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:45,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:45,038 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:45,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:45,125 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:45,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45 WrapperNode [2019-11-25 22:56:45,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:45,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:45,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:45,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:45,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45" (1/1) ... [2019-11-25 22:56:45,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45" (1/1) ... [2019-11-25 22:56:45,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:45,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:45,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:45,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:45,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45" (1/1) ... [2019-11-25 22:56:45,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45" (1/1) ... [2019-11-25 22:56:45,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45" (1/1) ... [2019-11-25 22:56:45,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45" (1/1) ... [2019-11-25 22:56:45,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45" (1/1) ... [2019-11-25 22:56:45,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45" (1/1) ... [2019-11-25 22:56:45,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:45" (1/1) ... [2019-11-25 22:56:45,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:45,375 INFO L168 Benchmark]: Toolchain (without parser) took 907.38 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:45,378 INFO L168 Benchmark]: CDTParser took 2.93 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:45,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:45,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:45,391 INFO L168 Benchmark]: Boogie Preprocessor took 58.26 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 22:56:45,408 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.93 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 657.31 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 183.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.26 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...