./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/signextension-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/bitvector-regression/signextension-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93417fec817c517a78d8232b303da21d88847972 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/bitvector-regression/signextension-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93417fec817c517a78d8232b303da21d88847972 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:27,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:27,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:27,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:27,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:27,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:27,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:27,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:27,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:27,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:27,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:27,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:27,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:27,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:27,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:27,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:27,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:27,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:27,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:27,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:27,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:27,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:27,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:27,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:27,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:27,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:27,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:27,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:27,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:27,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:27,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:27,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:27,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:27,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:27,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:27,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:27,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:27,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:27,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:27,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:27,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:27,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:27,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:27,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:27,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:27,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:27,754 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:27,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:27,757 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:27,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:27,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:27,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:27,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:27,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:27,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:27,760 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:27,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:27,762 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:27,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:27,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:27,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:27,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:27,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:27,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:27,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:27,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:27,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:27,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:27,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:27,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:27,773 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 -> 93417fec817c517a78d8232b303da21d88847972 [2019-11-27 09:19:28,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:28,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:28,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:28,456 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:28,461 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:28,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension-1.c [2019-11-27 09:19:28,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16da0ab3c/760b8b52a2dc409f8dbafc2bb1ef6ae5/FLAG994d39443 [2019-11-27 09:19:29,683 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:29,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension-1.c [2019-11-27 09:19:29,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16da0ab3c/760b8b52a2dc409f8dbafc2bb1ef6ae5/FLAG994d39443 [2019-11-27 09:19:29,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16da0ab3c/760b8b52a2dc409f8dbafc2bb1ef6ae5 [2019-11-27 09:19:29,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:29,753 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:29,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:29,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:29,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:29,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:29" (1/1) ... [2019-11-27 09:19:29,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:29, skipping insertion in model container [2019-11-27 09:19:29,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:29" (1/1) ... [2019-11-27 09:19:29,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:29,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:30,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:30,278 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:30,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:30,323 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:30,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30 WrapperNode [2019-11-27 09:19:30,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:30,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:30,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:30,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:30,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ... [2019-11-27 09:19:30,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ... [2019-11-27 09:19:30,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:30,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:30,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:30,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:30,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ... [2019-11-27 09:19:30,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ... [2019-11-27 09:19:30,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ... [2019-11-27 09:19:30,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ... [2019-11-27 09:19:30,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ... [2019-11-27 09:19:30,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ... [2019-11-27 09:19:30,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ... [2019-11-27 09:19:30,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:30,537 INFO L168 Benchmark]: Toolchain (without parser) took 766.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:30,539 INFO L168 Benchmark]: CDTParser took 0.44 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 09:19:30,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.31 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 09:19:30,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:30,550 INFO L168 Benchmark]: Boogie Preprocessor took 32.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:30,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 572.31 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 146.67 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 32.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:34,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:34,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:34,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:34,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:34,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:34,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:34,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:34,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:34,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:34,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:34,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:34,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:34,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:34,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:34,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:34,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:34,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:34,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:34,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:34,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:34,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:34,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:34,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:34,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:34,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:34,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:34,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:34,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:34,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:34,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:34,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:34,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:34,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:34,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:34,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:34,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:34,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:34,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:34,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:34,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:34,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:19:34,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:34,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:34,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:34,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:34,845 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:34,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:34,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:34,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:34,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:34,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:34,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:34,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:34,853 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:19:34,854 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:19:34,854 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:34,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:34,855 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:34,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:34,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:34,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:34,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:34,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:34,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:34,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:34,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:34,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:34,861 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:19:34,862 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:19:34,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:34,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:19:34,867 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 -> 93417fec817c517a78d8232b303da21d88847972 [2019-11-27 09:19:35,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:35,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:35,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:35,479 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:35,482 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:35,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension-1.c [2019-11-27 09:19:35,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f7357c50/849befc97ae04e1ab36c83d476e8c84e/FLAG331221aa2 [2019-11-27 09:19:36,745 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:36,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension-1.c [2019-11-27 09:19:36,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f7357c50/849befc97ae04e1ab36c83d476e8c84e/FLAG331221aa2 [2019-11-27 09:19:36,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f7357c50/849befc97ae04e1ab36c83d476e8c84e [2019-11-27 09:19:36,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:36,826 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:36,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:36,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:36,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:36,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:36" (1/1) ... [2019-11-27 09:19:36,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:36, skipping insertion in model container [2019-11-27 09:19:36,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:36" (1/1) ... [2019-11-27 09:19:36,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:36,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:37,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:37,316 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:37,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:37,393 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:37,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37 WrapperNode [2019-11-27 09:19:37,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:37,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:37,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:37,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:37,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ... [2019-11-27 09:19:37,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ... [2019-11-27 09:19:37,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:37,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:37,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:37,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:37,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ... [2019-11-27 09:19:37,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ... [2019-11-27 09:19:37,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ... [2019-11-27 09:19:37,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ... [2019-11-27 09:19:37,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ... [2019-11-27 09:19:37,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ... [2019-11-27 09:19:37,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ... [2019-11-27 09:19:37,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:37,633 INFO L168 Benchmark]: Toolchain (without parser) took 806.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:37,635 INFO L168 Benchmark]: CDTParser took 0.45 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 09:19:37,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.47 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 09:19:37,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.17 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 09:19:37,640 INFO L168 Benchmark]: Boogie Preprocessor took 52.69 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 09:19:37,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 568.47 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 178.17 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 52.69 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...