./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/phases_2-1.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/phases_2-1.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 3cd199824dccc6e7aa84d2a9a82b4dda750590d9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/phases_2-1.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 3cd199824dccc6e7aa84d2a9a82b4dda750590d9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:10:02,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:02,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:02,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:02,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:02,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:02,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:02,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:02,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:02,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:02,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:02,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:02,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:02,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:02,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:02,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:02,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:02,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:02,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:02,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:02,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:02,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:02,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:02,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:02,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:02,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:02,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:02,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:02,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:02,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:02,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:02,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:02,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:02,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:02,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:02,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:02,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:02,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:02,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:02,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:02,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:02,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:10:02,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:02,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:02,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:02,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:02,520 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:02,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:02,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:02,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:10:02,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:02,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:02,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:02,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:02,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:02,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:02,524 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:02,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:02,527 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:02,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:02,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:02,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:02,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:02,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:02,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:02,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:02,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:02,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:02,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:10:02,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:10:02,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:02,533 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 -> 3cd199824dccc6e7aa84d2a9a82b4dda750590d9 [2019-11-24 21:10:03,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:03,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:03,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:03,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:03,128 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:03,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/phases_2-1.c [2019-11-24 21:10:03,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/075d761d5/157828ff5fbd43bfb6c3fc40dcc52c72/FLAG1932f64c1 [2019-11-24 21:10:04,335 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:04,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/phases_2-1.c [2019-11-24 21:10:04,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/075d761d5/157828ff5fbd43bfb6c3fc40dcc52c72/FLAG1932f64c1 [2019-11-24 21:10:04,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/075d761d5/157828ff5fbd43bfb6c3fc40dcc52c72 [2019-11-24 21:10:04,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:04,402 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:04,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:04,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:04,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:04,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:04" (1/1) ... [2019-11-24 21:10:04,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:04, skipping insertion in model container [2019-11-24 21:10:04,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:04" (1/1) ... [2019-11-24 21:10:04,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:04,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:04,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:04,964 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:05,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:05,027 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:05,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05 WrapperNode [2019-11-24 21:10:05,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:05,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:05,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:05,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:05,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:05,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:05,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:05,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:05,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:05,245 INFO L168 Benchmark]: Toolchain (without parser) took 833.83 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:05,257 INFO L168 Benchmark]: CDTParser took 2.43 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 21:10:05,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.79 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 21:10:05,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.24 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 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 21:10:05,271 INFO L168 Benchmark]: Boogie Preprocessor took 39.27 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. [2019-11-24 21:10:05,282 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.43 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 622.79 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 156.24 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 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 39.27 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 0.1.24-32f2683 [2019-11-24 21:10:09,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:09,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:09,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:09,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:09,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:09,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:09,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:09,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:09,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:09,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:09,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:09,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:09,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:09,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:09,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:09,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:09,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:09,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:09,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:09,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:09,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:09,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:09,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:09,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:09,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:09,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:09,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:09,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:09,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:09,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:09,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:09,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:09,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:09,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:09,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:09,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:09,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:09,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:09,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:09,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:09,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:10:09,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:09,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:09,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:09,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:09,297 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:09,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:09,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:09,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:09,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:09,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:09,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:09,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:09,303 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:09,304 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:10:09,304 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:10:09,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:09,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:09,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:09,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:09,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:09,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:09,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:09,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:09,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:09,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:09,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:09,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:09,311 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:10:09,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:10:09,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:09,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:10:09,317 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 -> 3cd199824dccc6e7aa84d2a9a82b4dda750590d9 [2019-11-24 21:10:09,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:09,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:09,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:09,937 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:09,939 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:09,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/phases_2-1.c [2019-11-24 21:10:10,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094efdcc3/cdfbcc176de642cc9dd9a6dc26db2b18/FLAGf0b048c57 [2019-11-24 21:10:11,090 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:11,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/phases_2-1.c [2019-11-24 21:10:11,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094efdcc3/cdfbcc176de642cc9dd9a6dc26db2b18/FLAGf0b048c57 [2019-11-24 21:10:11,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094efdcc3/cdfbcc176de642cc9dd9a6dc26db2b18 [2019-11-24 21:10:11,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:11,304 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:11,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:11,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:11,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:11,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:11,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94f6526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11, skipping insertion in model container [2019-11-24 21:10:11,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:11,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:11,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:11,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:11,808 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:11,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:11,886 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:11,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11 WrapperNode [2019-11-24 21:10:11,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:11,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:11,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:11,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:11,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:12,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:12,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:12,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:12,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:12,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:12,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:12,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:12,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:12,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:12,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:12,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:12,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:12,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:12,186 INFO L168 Benchmark]: Toolchain (without parser) took 876.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:12,189 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. [2019-11-24 21:10:12,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.21 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:12,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 226.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:12,199 INFO L168 Benchmark]: Boogie Preprocessor took 63.01 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. [2019-11-24 21:10:12,214 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 577.21 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 226.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.01 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...