./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/const_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/const_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 43a921be62662d276f77f40b7e1ebf136ad21ce8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/const_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 43a921be62662d276f77f40b7e1ebf136ad21ce8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:12:57,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:57,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:57,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:57,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:57,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:57,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:57,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:57,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:57,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:57,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:57,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:57,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:57,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:57,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:57,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:57,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:57,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:57,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:57,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:57,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:57,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:57,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:57,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:57,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:57,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:57,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:57,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:57,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:57,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:57,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:57,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:57,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:57,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:57,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:57,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:57,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:57,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:57,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:57,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:57,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:57,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:57,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:57,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:57,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:57,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:57,613 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:57,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:57,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:57,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:57,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:57,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:57,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:57,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:57,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:57,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:57,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:57,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:57,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:57,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:57,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:57,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:57,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:57,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:57,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:57,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:57,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:57,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:57,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:57,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:57,622 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 -> 43a921be62662d276f77f40b7e1ebf136ad21ce8 [2019-11-27 16:12:58,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:58,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:58,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:58,114 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:58,114 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:58,116 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-27 16:12:58,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c662adef3/4671a20b9440457fab7dd7b7fe6f18fb/FLAG6b1b41f77 [2019-11-27 16:12:58,926 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:58,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-27 16:12:58,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c662adef3/4671a20b9440457fab7dd7b7fe6f18fb/FLAG6b1b41f77 [2019-11-27 16:12:59,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c662adef3/4671a20b9440457fab7dd7b7fe6f18fb [2019-11-27 16:12:59,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:59,260 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:59,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:59,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:59,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:59,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59, skipping insertion in model container [2019-11-27 16:12:59,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:59,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:59,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:59,617 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:59,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:59,647 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:59,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59 WrapperNode [2019-11-27 16:12:59,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:59,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:59,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:59,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:59,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:59,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:59,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:59,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:59,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:59,781 INFO L168 Benchmark]: Toolchain (without parser) took 519.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 997.0 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:59,782 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:59,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.41 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. [2019-11-27 16:12:59,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.45 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. [2019-11-27 16:12:59,802 INFO L168 Benchmark]: Boogie Preprocessor took 27.49 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 16:12:59,811 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 386.41 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 99.45 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 27.49 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:13:02,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:02,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:02,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:02,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:02,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:02,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:02,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:02,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:02,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:02,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:02,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:02,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:02,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:02,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:02,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:02,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:02,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:02,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:02,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:02,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:02,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:02,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:02,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:02,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:02,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:02,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:02,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:02,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:02,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:02,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:02,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:02,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:02,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:02,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:02,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:02,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:02,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:02,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:02,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:02,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:02,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:02,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:02,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:02,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:02,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:02,694 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:02,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:02,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:02,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:02,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:02,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:02,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:02,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:02,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:02,701 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:02,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:02,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:02,702 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:02,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:02,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:02,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:02,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:02,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:02,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:02,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:02,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:02,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:02,704 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:02,707 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:02,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:02,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:02,708 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 -> 43a921be62662d276f77f40b7e1ebf136ad21ce8 [2019-11-27 16:13:03,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:03,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:03,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:03,122 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:03,123 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:03,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-27 16:13:03,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53e6567f/136c6855b46a427f946f35587cc2135e/FLAGfd176a8c9 [2019-11-27 16:13:03,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:03,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-27 16:13:03,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53e6567f/136c6855b46a427f946f35587cc2135e/FLAGfd176a8c9 [2019-11-27 16:13:04,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53e6567f/136c6855b46a427f946f35587cc2135e [2019-11-27 16:13:04,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:04,263 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:04,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:04,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:04,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:04,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04, skipping insertion in model container [2019-11-27 16:13:04,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:04,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:04,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:04,615 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:04,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:04,644 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:04,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04 WrapperNode [2019-11-27 16:13:04,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:04,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:04,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:04,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:04,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:04,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:04,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:04,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:04,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:04" (1/1) ... [2019-11-27 16:13:04,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:04,786 INFO L168 Benchmark]: Toolchain (without parser) took 506.13 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. [2019-11-27 16:13:04,787 INFO L168 Benchmark]: CDTParser took 0.83 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 16:13:04,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.48 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 16:13:04,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:04,792 INFO L168 Benchmark]: Boogie Preprocessor took 21.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:04,803 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 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 377.48 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 95.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 21.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...