./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/signextension2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/signextension2-1.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 3d4720d49a1188bad2d134c8dd08313372db11fb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/signextension2-1.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 3d4720d49a1188bad2d134c8dd08313372db11fb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:38:21,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:21,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:21,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:21,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:21,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:21,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:21,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:21,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:21,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:21,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:21,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:21,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:21,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:21,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:21,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:21,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:21,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:21,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:21,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:21,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:21,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:21,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:21,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:21,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:21,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:21,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:21,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:21,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:21,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:21,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:21,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:21,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:21,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:21,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:21,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:21,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:21,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:21,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:21,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:21,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:21,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:38:21,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:21,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:21,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:21,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:21,693 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:21,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:21,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:21,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:38:21,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:21,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:21,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:21,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:21,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:21,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:21,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:21,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:21,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:21,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:21,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:21,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:21,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:21,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:21,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:21,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:21,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:21,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:21,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:38:21,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:38:21,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:21,709 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 -> 3d4720d49a1188bad2d134c8dd08313372db11fb [2019-11-24 20:38:22,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:22,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:22,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:22,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:22,308 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:22,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-11-24 20:38:22,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e9ef902/7e3e2a21850b4d1e8698e837e7e125c1/FLAG78b941c02 [2019-11-24 20:38:23,495 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:23,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-11-24 20:38:23,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e9ef902/7e3e2a21850b4d1e8698e837e7e125c1/FLAG78b941c02 [2019-11-24 20:38:23,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e9ef902/7e3e2a21850b4d1e8698e837e7e125c1 [2019-11-24 20:38:23,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:23,565 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:23,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:23,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:23,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:23,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23, skipping insertion in model container [2019-11-24 20:38:23,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:23,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:24,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:24,107 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:24,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:24,186 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:24,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24 WrapperNode [2019-11-24 20:38:24,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:24,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:24,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:24,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:24,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24" (1/1) ... [2019-11-24 20:38:24,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24" (1/1) ... [2019-11-24 20:38:24,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:24,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:24,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:24,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:24,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24" (1/1) ... [2019-11-24 20:38:24,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24" (1/1) ... [2019-11-24 20:38:24,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24" (1/1) ... [2019-11-24 20:38:24,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24" (1/1) ... [2019-11-24 20:38:24,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24" (1/1) ... [2019-11-24 20:38:24,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24" (1/1) ... [2019-11-24 20:38:24,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:24" (1/1) ... [2019-11-24 20:38:24,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:24,429 INFO L168 Benchmark]: Toolchain (without parser) took 852.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:24,431 INFO L168 Benchmark]: CDTParser took 2.03 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. [2019-11-24 20:38:24,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.49 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:24,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:24,442 INFO L168 Benchmark]: Boogie Preprocessor took 47.49 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. [2019-11-24 20:38:24,453 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.03 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 620.49 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 175.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.49 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 0.1.24-32f2683 [2019-11-24 20:38:28,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:28,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:28,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:28,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:28,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:28,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:28,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:28,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:28,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:28,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:28,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:28,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:28,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:28,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:28,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:28,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:28,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:28,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:28,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:28,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:28,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:28,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:28,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:28,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:28,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:28,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:28,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:28,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:28,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:28,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:28,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:28,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:28,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:28,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:28,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:28,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:28,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:28,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:28,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:28,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:28,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:38:28,599 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:28,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:28,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:28,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:28,603 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:28,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:28,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:28,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:28,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:28,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:28,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:28,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:28,611 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:28,611 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:38:28,611 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:38:28,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:28,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:28,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:28,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:28,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:28,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:28,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:28,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:28,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:28,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:28,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:28,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:28,621 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:38:28,621 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:38:28,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:28,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:38:28,623 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 -> 3d4720d49a1188bad2d134c8dd08313372db11fb [2019-11-24 20:38:29,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:29,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:29,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:29,228 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:29,233 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:29,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-11-24 20:38:29,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d8396d54/bae4c8e68c834c428716f5148441f7d9/FLAGfabe0806c [2019-11-24 20:38:30,347 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:30,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-11-24 20:38:30,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d8396d54/bae4c8e68c834c428716f5148441f7d9/FLAGfabe0806c [2019-11-24 20:38:30,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d8396d54/bae4c8e68c834c428716f5148441f7d9 [2019-11-24 20:38:30,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:30,557 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:30,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:30,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:30,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:30,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:30" (1/1) ... [2019-11-24 20:38:30,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456125ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:30, skipping insertion in model container [2019-11-24 20:38:30,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:30" (1/1) ... [2019-11-24 20:38:30,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:30,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:31,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:31,097 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:31,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:31,170 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:31,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31 WrapperNode [2019-11-24 20:38:31,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:31,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:31,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:31,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:31,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:31,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:31,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:31,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:31,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:31,448 INFO L168 Benchmark]: Toolchain (without parser) took 886.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:31,451 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-24 20:38:31,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.90 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:31,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 209.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:31,461 INFO L168 Benchmark]: Boogie Preprocessor took 51.28 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:31,474 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 617.90 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 209.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.28 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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...