./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 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.24-025d5a2 [2019-11-26 17:03:36,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:36,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:36,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:36,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:36,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:36,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:36,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:36,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:36,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:36,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:36,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:36,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:36,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:36,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:36,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:36,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:36,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:36,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:36,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:36,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:36,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:36,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:36,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:36,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:36,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:36,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:36,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:36,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:36,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:36,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:36,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:36,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:36,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:36,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:36,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:36,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:36,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:36,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:36,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:36,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:36,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:03:36,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:36,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:36,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:36,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:36,695 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:36,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:36,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:36,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:03:36,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:36,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:36,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:36,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:36,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:36,702 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:36,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:36,702 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:36,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:36,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:36,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:36,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:36,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:36,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:36,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:36,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:36,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:36,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:03:36,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:03:36,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:36,709 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 [2019-11-26 17:03:37,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:37,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:37,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:37,280 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:37,282 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:37,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-26 17:03:37,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82147e3bb/4672cba888f546798d3b005ef242b775/FLAGe8bcf6973 [2019-11-26 17:03:38,450 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:38,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-26 17:03:38,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82147e3bb/4672cba888f546798d3b005ef242b775/FLAGe8bcf6973 [2019-11-26 17:03:38,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82147e3bb/4672cba888f546798d3b005ef242b775 [2019-11-26 17:03:38,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:38,520 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:38,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:38,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:38,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:38,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:38" (1/1) ... [2019-11-26 17:03:38,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:38, skipping insertion in model container [2019-11-26 17:03:38,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:38" (1/1) ... [2019-11-26 17:03:38,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:38,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:39,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:39,045 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:39,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:39,086 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:39,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39 WrapperNode [2019-11-26 17:03:39,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:39,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:39,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:39,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:39,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39" (1/1) ... [2019-11-26 17:03:39,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39" (1/1) ... [2019-11-26 17:03:39,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:39,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:39,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:39,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:39,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39" (1/1) ... [2019-11-26 17:03:39,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39" (1/1) ... [2019-11-26 17:03:39,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39" (1/1) ... [2019-11-26 17:03:39,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39" (1/1) ... [2019-11-26 17:03:39,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39" (1/1) ... [2019-11-26 17:03:39,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39" (1/1) ... [2019-11-26 17:03:39,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:39" (1/1) ... [2019-11-26 17:03:39,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:39,331 INFO L168 Benchmark]: Toolchain (without parser) took 790.50 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 996.8 MB in the end (delta: -35.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:39,333 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:39,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:39,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.11 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. [2019-11-26 17:03:39,341 INFO L168 Benchmark]: Boogie Preprocessor took 44.70 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:39,356 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 562.89 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 166.11 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 44.70 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 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 0.1.24-025d5a2 [2019-11-26 17:03:43,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:43,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:43,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:43,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:43,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:43,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:43,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:43,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:43,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:43,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:43,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:43,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:43,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:43,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:43,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:43,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:43,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:43,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:43,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:43,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:43,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:43,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:43,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:43,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:43,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:43,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:43,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:43,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:43,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:43,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:43,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:43,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:43,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:43,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:43,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:43,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:43,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:43,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:43,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:43,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:43,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:03:43,429 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:43,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:43,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:43,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:43,435 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:43,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:43,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:43,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:43,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:43,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:43,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:43,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:43,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:03:43,441 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:03:43,442 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:43,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:43,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:43,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:43,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:43,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:43,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:43,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:43,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:43,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:43,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:43,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:43,450 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:03:43,450 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:03:43,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:43,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:03:43,452 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 [2019-11-26 17:03:43,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:43,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:43,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:43,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:43,994 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:43,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-26 17:03:44,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84edefbb2/ed4d8a02167d4c3685512c3306287cf4/FLAGf3e0b04a3 [2019-11-26 17:03:45,179 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:45,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/const_1-2.c [2019-11-26 17:03:45,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84edefbb2/ed4d8a02167d4c3685512c3306287cf4/FLAGf3e0b04a3 [2019-11-26 17:03:45,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84edefbb2/ed4d8a02167d4c3685512c3306287cf4 [2019-11-26 17:03:45,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:45,250 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:45,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:45,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:45,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:45,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,274 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 26.11 05:03:45, skipping insertion in model container [2019-11-26 17:03:45,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:45,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:45,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:45,761 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:45,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:45,821 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:45,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45 WrapperNode [2019-11-26 17:03:45,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:45,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:45,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:45,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:45,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:46,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:46,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:46,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:46,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:46,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:46,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:46,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:46,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:46,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:46,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:46,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:46,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:46,060 INFO L168 Benchmark]: Toolchain (without parser) took 805.55 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:46,075 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:46,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.86 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:46,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.44 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:46,085 INFO L168 Benchmark]: Boogie Preprocessor took 49.99 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. [2019-11-26 17:03:46,097 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 570.86 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 171.44 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.99 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...