./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/ps2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/nla-digbench/ps2.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 08b118cfc5ed15a7af497a71835167b40ccdb413 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nla-digbench/ps2.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 08b118cfc5ed15a7af497a71835167b40ccdb413 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:05:18,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:18,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:18,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:18,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:18,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:18,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:18,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:18,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:18,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:18,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:18,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:18,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:18,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:18,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:18,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:18,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:18,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:18,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:18,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:18,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:18,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:18,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:18,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:18,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:18,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:18,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:18,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:18,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:18,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:18,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:18,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:18,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:18,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:18,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:18,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:18,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:18,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:18,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:18,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:18,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:18,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:18,522 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:18,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:18,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:18,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:18,528 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:18,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:18,531 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:18,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:18,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:18,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:18,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:18,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:18,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:18,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:18,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:18,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:18,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:18,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:18,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:18,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:18,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:18,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:18,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:18,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:18,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:18,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:18,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:18,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:18,545 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 -> 08b118cfc5ed15a7af497a71835167b40ccdb413 [2019-11-26 17:05:19,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:19,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:19,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:19,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:19,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:19,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps2.c [2019-11-26 17:05:19,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0972b26ff/53011d637e63491f9d079dcdefae2350/FLAGce15b34f8 [2019-11-26 17:05:20,383 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:20,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps2.c [2019-11-26 17:05:20,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0972b26ff/53011d637e63491f9d079dcdefae2350/FLAGce15b34f8 [2019-11-26 17:05:20,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0972b26ff/53011d637e63491f9d079dcdefae2350 [2019-11-26 17:05:20,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:20,452 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:20,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:20,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:20,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:20,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20, skipping insertion in model container [2019-11-26 17:05:20,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:20,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:20,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:20,945 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:20,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:21,015 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:21,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21 WrapperNode [2019-11-26 17:05:21,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:21,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:21,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:21,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:21,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21" (1/1) ... [2019-11-26 17:05:21,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21" (1/1) ... [2019-11-26 17:05:21,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:21,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:21,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:21,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:21,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21" (1/1) ... [2019-11-26 17:05:21,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21" (1/1) ... [2019-11-26 17:05:21,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21" (1/1) ... [2019-11-26 17:05:21,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21" (1/1) ... [2019-11-26 17:05:21,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21" (1/1) ... [2019-11-26 17:05:21,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21" (1/1) ... [2019-11-26 17:05:21,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:21" (1/1) ... [2019-11-26 17:05:21,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:21,252 INFO L168 Benchmark]: Toolchain (without parser) took 781.28 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 991.0 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:21,254 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-26 17:05:21,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.85 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. [2019-11-26 17:05:21,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.85 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. [2019-11-26 17:05:21,264 INFO L168 Benchmark]: Boogie Preprocessor took 48.24 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:21,276 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 565.85 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 151.85 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 48.24 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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 0.1.24-025d5a2 [2019-11-26 17:05:25,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:25,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:25,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:25,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:25,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:25,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:25,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:25,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:25,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:25,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:25,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:25,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:25,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:25,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:25,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:25,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:25,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:25,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:25,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:25,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:25,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:25,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:25,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:25,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:25,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:25,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:25,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:25,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:25,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:25,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:25,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:25,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:25,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:25,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:25,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:25,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:25,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:25,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:25,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:25,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:25,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:25,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:25,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:25,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:25,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:25,347 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:25,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:25,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:25,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:25,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:25,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:25,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:25,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:25,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:25,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:25,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:25,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:25,358 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:25,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:25,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:25,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:25,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:25,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:25,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:25,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:25,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:25,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:25,363 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:25,363 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:25,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:25,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:25,365 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 -> 08b118cfc5ed15a7af497a71835167b40ccdb413 [2019-11-26 17:05:25,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:25,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:25,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:25,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:25,946 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:25,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps2.c [2019-11-26 17:05:26,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043e1078c/a9de3a933687498dabb316e3a00760c8/FLAG345598716 [2019-11-26 17:05:27,105 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:27,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps2.c [2019-11-26 17:05:27,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043e1078c/a9de3a933687498dabb316e3a00760c8/FLAG345598716 [2019-11-26 17:05:27,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043e1078c/a9de3a933687498dabb316e3a00760c8 [2019-11-26 17:05:27,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:27,289 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:27,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:27,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:27,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:27,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b12957a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27, skipping insertion in model container [2019-11-26 17:05:27,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:27,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:27,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:27,843 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:27,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:27,936 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:27,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27 WrapperNode [2019-11-26 17:05:27,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:27,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:27,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:27,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:27,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:28,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:28,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:28,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:28,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:28,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:28,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:28,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:28,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:28,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:28,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:28,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:28,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:28,182 INFO L168 Benchmark]: Toolchain (without parser) took 889.52 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. [2019-11-26 17:05:28,184 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-26 17:05:28,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.74 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. [2019-11-26 17:05:28,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:28,199 INFO L168 Benchmark]: Boogie Preprocessor took 56.76 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:28,218 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 650.74 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 173.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.76 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...