./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_4-2.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/simple_4-2.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 f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/simple_4-2.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 f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:13:09,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:09,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:09,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:09,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:09,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:09,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:09,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:09,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:09,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:09,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:09,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:09,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:09,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:09,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:09,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:09,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:09,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:09,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:09,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:09,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:09,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:09,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:09,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:09,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:09,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:09,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:09,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:09,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:09,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:09,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:09,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:09,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:09,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:09,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:09,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:09,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:09,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:09,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:09,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:09,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:09,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:09,724 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:09,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:09,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:09,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:09,732 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:09,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:09,734 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:09,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:09,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:09,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:09,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:09,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:09,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:09,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:09,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:09,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:09,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:09,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:09,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:09,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:09,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:09,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:09,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:09,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:09,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:09,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:09,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:09,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:09,749 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 -> f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 [2019-11-27 16:13:10,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:10,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:10,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:10,371 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:10,375 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:10,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-27 16:13:10,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c16248f/68f3162511c447c1b2ec060493c5cc4b/FLAGb75df8b20 [2019-11-27 16:13:11,586 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:11,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-27 16:13:11,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c16248f/68f3162511c447c1b2ec060493c5cc4b/FLAGb75df8b20 [2019-11-27 16:13:11,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c16248f/68f3162511c447c1b2ec060493c5cc4b [2019-11-27 16:13:11,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:11,661 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:11,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:11,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:11,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:11,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,686 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 04:13:11, skipping insertion in model container [2019-11-27 16:13:11,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:11,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:12,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:12,220 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:12,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:12,288 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:12,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12 WrapperNode [2019-11-27 16:13:12,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:12,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:12,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:12,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:12,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12" (1/1) ... [2019-11-27 16:13:12,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12" (1/1) ... [2019-11-27 16:13:12,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:12,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:12,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:12,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:12,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12" (1/1) ... [2019-11-27 16:13:12,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12" (1/1) ... [2019-11-27 16:13:12,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12" (1/1) ... [2019-11-27 16:13:12,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12" (1/1) ... [2019-11-27 16:13:12,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12" (1/1) ... [2019-11-27 16:13:12,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12" (1/1) ... [2019-11-27 16:13:12,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:12" (1/1) ... [2019-11-27 16:13:12,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:12,533 INFO L168 Benchmark]: Toolchain (without parser) took 863.96 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 991.2 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:12,534 INFO L168 Benchmark]: CDTParser took 2.52 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 16:13:12,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.04 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 16:13:12,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.73 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:12,549 INFO L168 Benchmark]: Boogie Preprocessor took 53.46 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:12,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.52 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 630.04 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 172.73 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.46 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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 16:13:16,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:16,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:16,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:16,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:16,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:16,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:16,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:16,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:16,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:16,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:16,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:16,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:16,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:16,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:16,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:16,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:16,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:16,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:16,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:16,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:16,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:16,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:16,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:16,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:16,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:16,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:16,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:16,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:16,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:16,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:16,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:16,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:16,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:16,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:16,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:16,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:16,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:16,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:16,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:16,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:16,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:16,680 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:16,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:16,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:16,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:16,688 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:16,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:16,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:16,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:16,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:16,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:16,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:16,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:16,693 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:16,696 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:16,696 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:16,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:16,697 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:16,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:16,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:16,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:16,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:16,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:16,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:16,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:16,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:16,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:16,703 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:16,704 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:16,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:16,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:16,707 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 -> f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 [2019-11-27 16:13:17,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:17,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:17,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:17,376 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:17,378 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:17,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-27 16:13:17,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb49c6b7/adf23b92299644989608c9d2aed1251b/FLAG8b4fc177f [2019-11-27 16:13:18,528 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:18,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-27 16:13:18,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb49c6b7/adf23b92299644989608c9d2aed1251b/FLAG8b4fc177f [2019-11-27 16:13:18,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb49c6b7/adf23b92299644989608c9d2aed1251b [2019-11-27 16:13:18,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:18,750 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:18,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:18,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:18,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:18,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216a4388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18, skipping insertion in model container [2019-11-27 16:13:18,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:18,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:19,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:19,237 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:19,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:19,284 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:19,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19 WrapperNode [2019-11-27 16:13:19,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:19,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:19,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:19,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:19,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19" (1/1) ... [2019-11-27 16:13:19,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19" (1/1) ... [2019-11-27 16:13:19,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:19,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:19,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:19,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:19,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19" (1/1) ... [2019-11-27 16:13:19,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19" (1/1) ... [2019-11-27 16:13:19,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19" (1/1) ... [2019-11-27 16:13:19,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19" (1/1) ... [2019-11-27 16:13:19,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19" (1/1) ... [2019-11-27 16:13:19,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19" (1/1) ... [2019-11-27 16:13:19,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:19" (1/1) ... [2019-11-27 16:13:19,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:19,496 INFO L168 Benchmark]: Toolchain (without parser) took 744.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 997.1 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:19,513 INFO L168 Benchmark]: CDTParser took 3.67 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 16:13:19,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.84 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:19,520 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.3 MB in the beginning and 997.1 MB in the end (delta: -39.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:19,522 INFO L168 Benchmark]: Boogie Preprocessor took 28.58 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:19,533 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.67 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 537.84 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 164.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.3 MB in the beginning and 997.1 MB in the end (delta: -39.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 28.58 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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...