./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/signextension2-2.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/signextension2-2.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 a1fc77a9dffa79314315496010110ca89f6240b0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/signextension2-2.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 a1fc77a9dffa79314315496010110ca89f6240b0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:19:27,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:27,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:27,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:27,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:27,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:27,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:27,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:28,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:28,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:28,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:28,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:28,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:28,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:28,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:28,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:28,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:28,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:28,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:28,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:28,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:28,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:28,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:28,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:28,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:28,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:28,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:28,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:28,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:28,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:28,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:28,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:28,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:28,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:28,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:28,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:28,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:28,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:28,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:28,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:28,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:28,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:28,107 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:28,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:28,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:28,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:28,112 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:28,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:28,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:28,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:28,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:28,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:28,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:28,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:28,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:28,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:28,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:28,118 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:28,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:28,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:28,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:28,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:28,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:28,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:28,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:28,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:28,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:28,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:28,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:28,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:28,123 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 -> a1fc77a9dffa79314315496010110ca89f6240b0 [2019-11-27 09:19:28,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:28,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:28,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:28,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:28,628 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:28,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension2-2.c [2019-11-27 09:19:28,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102bb975e/194266a63a82438b917b20906d208f22/FLAG01679da37 [2019-11-27 09:19:29,423 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:29,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension2-2.c [2019-11-27 09:19:29,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102bb975e/194266a63a82438b917b20906d208f22/FLAG01679da37 [2019-11-27 09:19:29,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102bb975e/194266a63a82438b917b20906d208f22 [2019-11-27 09:19:29,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:29,780 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:29,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:29,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:29,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:29,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:29" (1/1) ... [2019-11-27 09:19:29,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23eca3f9 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 09:19:29,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:29" (1/1) ... [2019-11-27 09:19:29,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:29,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:30,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:30,118 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:30,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:30,147 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:30,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30 WrapperNode [2019-11-27 09:19:30,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:30,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:30,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:30,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:30,157 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 09:19:30,162 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 09:19:30,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:30,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:30,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:30,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:30,258 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 09:19:30,258 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 09:19:30,259 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 09:19:30,259 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 09:19:30,261 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 09:19:30,263 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 09:19:30,267 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 09:19:30,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:30,289 INFO L168 Benchmark]: Toolchain (without parser) took 490.61 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 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:30,291 INFO L168 Benchmark]: CDTParser took 0.23 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 09:19:30,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.04 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:30,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.44 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 995.6 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:30,296 INFO L168 Benchmark]: Boogie Preprocessor took 24.62 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:30,306 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 366.04 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 94.44 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 995.6 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 24.62 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 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 09:19:32,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:33,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:33,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:33,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:33,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:33,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:33,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:33,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:33,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:33,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:33,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:33,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:33,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:33,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:33,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:33,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:33,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:33,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:33,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:33,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:33,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:33,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:33,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:33,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:33,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:33,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:33,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:33,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:33,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:33,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:33,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:33,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:33,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:33,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:33,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:33,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:33,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:33,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:33,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:33,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:33,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:19:33,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:33,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:33,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:33,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:33,169 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:33,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:33,172 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:33,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:33,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:33,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:33,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:33,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:33,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:19:33,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:19:33,175 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:33,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:33,176 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:33,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:33,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:33,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:33,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:33,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:33,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:33,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:33,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:33,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:33,181 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:19:33,181 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:19:33,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:33,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:19:33,183 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 -> a1fc77a9dffa79314315496010110ca89f6240b0 [2019-11-27 09:19:33,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:33,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:33,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:33,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:33,609 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:33,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension2-2.c [2019-11-27 09:19:33,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d17a9b3/c067236b23cd465dbb0770af44b7078b/FLAGef2ed8692 [2019-11-27 09:19:34,387 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:34,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension2-2.c [2019-11-27 09:19:34,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d17a9b3/c067236b23cd465dbb0770af44b7078b/FLAGef2ed8692 [2019-11-27 09:19:34,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d17a9b3/c067236b23cd465dbb0770af44b7078b [2019-11-27 09:19:34,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:34,748 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:34,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:34,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:34,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:34,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:34" (1/1) ... [2019-11-27 09:19:34,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23eca3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:34, skipping insertion in model container [2019-11-27 09:19:34,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:34" (1/1) ... [2019-11-27 09:19:34,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:34,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:35,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:35,067 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:35,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:35,113 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:35,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35 WrapperNode [2019-11-27 09:19:35,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:35,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:35,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:35,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:35,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35" (1/1) ... [2019-11-27 09:19:35,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35" (1/1) ... [2019-11-27 09:19:35,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:35,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:35,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:35,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:35,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35" (1/1) ... [2019-11-27 09:19:35,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35" (1/1) ... [2019-11-27 09:19:35,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35" (1/1) ... [2019-11-27 09:19:35,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35" (1/1) ... [2019-11-27 09:19:35,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35" (1/1) ... [2019-11-27 09:19:35,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35" (1/1) ... [2019-11-27 09:19:35,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:35" (1/1) ... [2019-11-27 09:19:35,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:35,233 INFO L168 Benchmark]: Toolchain (without parser) took 480.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 997.1 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:35,235 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:35,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.16 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:35,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.1 MB in the end (delta: -42.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:35,239 INFO L168 Benchmark]: Boogie Preprocessor took 18.16 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:35,250 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 363.16 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 93.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.1 MB in the end (delta: -42.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 18.16 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...