./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/functions_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/functions_1-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8f4c21c5481f1b1c15b174aff4c6b7e56f63522 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/functions_1-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8f4c21c5481f1b1c15b174aff4c6b7e56f63522 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:13:05,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:05,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:05,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:05,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:05,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:05,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:05,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:05,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:05,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:05,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:05,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:05,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:05,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:05,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:05,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:05,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:05,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:05,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:05,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:05,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:05,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:05,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:05,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:05,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:05,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:05,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:05,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:05,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:05,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:05,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:05,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:05,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:05,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:05,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:05,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:05,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:05,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:05,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:05,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:05,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:05,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:05,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:05,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:05,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:05,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:05,543 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:05,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:05,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:05,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:05,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:05,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:05,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:05,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:05,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:05,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:05,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:05,551 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:05,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:05,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:05,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:05,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:05,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:05,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:05,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:05,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:05,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:05,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:05,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:05,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:05,560 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 -> b8f4c21c5481f1b1c15b174aff4c6b7e56f63522 [2019-11-27 16:13:06,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:06,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:06,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:06,197 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:06,202 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:06,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/functions_1-2.c [2019-11-27 16:13:06,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f912b77a3/766a6b94ba084452849f02f1f3790bf5/FLAG2e8918402 [2019-11-27 16:13:07,383 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:07,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/functions_1-2.c [2019-11-27 16:13:07,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f912b77a3/766a6b94ba084452849f02f1f3790bf5/FLAG2e8918402 [2019-11-27 16:13:07,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f912b77a3/766a6b94ba084452849f02f1f3790bf5 [2019-11-27 16:13:07,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:07,448 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:07,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:07,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:07,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:07,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c37002e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07, skipping insertion in model container [2019-11-27 16:13:07,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:07,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:07,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:07,988 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:08,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:08,067 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:08,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08 WrapperNode [2019-11-27 16:13:08,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:08,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:08,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:08,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:08,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:08,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:08,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:08,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:08,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:08,319 INFO L168 Benchmark]: Toolchain (without parser) took 857.23 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. [2019-11-27 16:13:08,321 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-27 16:13:08,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.64 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. [2019-11-27 16:13:08,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.11 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. [2019-11-27 16:13:08,332 INFO L168 Benchmark]: Boogie Preprocessor took 55.01 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. [2019-11-27 16:13:08,346 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 623.64 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 172.11 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 55.01 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 0.1.24-509859d [2019-11-27 16:13:12,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:12,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:12,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:12,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:12,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:12,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:12,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:12,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:12,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:12,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:12,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:12,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:12,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:12,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:12,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:12,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:12,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:12,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:12,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:12,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:12,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:12,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:12,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:12,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:12,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:12,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:12,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:12,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:12,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:12,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:12,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:12,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:12,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:12,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:12,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:12,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:12,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:12,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:12,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:12,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:12,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:12,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:12,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:12,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:12,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:12,563 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:12,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:12,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:12,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:12,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:12,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:12,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:12,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:12,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:12,571 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:12,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:12,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:12,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:12,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:12,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:12,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:12,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:12,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:12,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:12,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:12,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:12,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:12,580 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:12,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:12,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:12,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:12,582 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 -> b8f4c21c5481f1b1c15b174aff4c6b7e56f63522 [2019-11-27 16:13:13,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:13,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:13,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:13,257 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:13,261 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:13,263 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/functions_1-2.c [2019-11-27 16:13:13,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3683c27/8200e26c5b3347dcbdb8e71158d6c7eb/FLAG96d4ef187 [2019-11-27 16:13:14,422 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:14,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/functions_1-2.c [2019-11-27 16:13:14,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3683c27/8200e26c5b3347dcbdb8e71158d6c7eb/FLAG96d4ef187 [2019-11-27 16:13:14,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3683c27/8200e26c5b3347dcbdb8e71158d6c7eb [2019-11-27 16:13:14,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:14,492 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:14,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:14,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:14,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:14,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cd9645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14, skipping insertion in model container [2019-11-27 16:13:14,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:14,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:14,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:14,996 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:15,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:15,054 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:15,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15 WrapperNode [2019-11-27 16:13:15,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:15,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:15,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:15,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:15,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:15,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:15,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:15,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:15,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:15,274 INFO L168 Benchmark]: Toolchain (without parser) took 774.58 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:15,277 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. [2019-11-27 16:13:15,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.09 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. [2019-11-27 16:13:15,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.23 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. [2019-11-27 16:13:15,282 INFO L168 Benchmark]: Boogie Preprocessor took 42.92 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:15,289 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 560.09 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 157.23 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 42.92 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...