./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-25 22:24:20,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:20,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:21,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:21,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:21,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:21,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:21,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:21,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:21,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:21,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:21,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:21,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:21,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:21,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:21,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:21,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:21,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:21,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:21,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:21,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:21,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:21,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:21,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:21,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:21,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:21,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:21,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:21,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:21,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:21,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:21,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:21,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:21,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:21,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:21,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:21,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:21,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:21,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:21,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:21,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:21,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:24:21,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:21,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:21,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:21,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:21,218 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:21,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:21,219 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:21,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:24:21,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:21,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:21,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:21,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:21,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:21,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:21,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:21,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:21,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:21,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:21,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:21,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:21,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:21,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:21,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:21,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:21,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:21,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:24:21,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:24:21,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:21,234 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 [2019-11-25 22:24:21,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:21,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:21,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:21,856 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:21,857 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:21,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-11-25 22:24:22,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904f95460/8704aa541a124e0b943835cfebdbefbf/FLAGaba043fad [2019-11-25 22:24:22,985 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:22,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-11-25 22:24:23,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904f95460/8704aa541a124e0b943835cfebdbefbf/FLAGaba043fad [2019-11-25 22:24:23,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904f95460/8704aa541a124e0b943835cfebdbefbf [2019-11-25 22:24:23,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:23,187 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:23,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:23,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:23,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:23,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:23,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726eb83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23, skipping insertion in model container [2019-11-25 22:24:23,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:23,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:23,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:23,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:23,697 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:23,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:23,769 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:23,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23 WrapperNode [2019-11-25 22:24:23,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:23,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:23,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:23,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:23,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:23,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:23,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:23,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:23,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:23,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:23,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:23,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:23,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:23,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:23,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:23,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:24,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:23" (1/1) ... [2019-11-25 22:24:24,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:24,013 INFO L168 Benchmark]: Toolchain (without parser) took 820.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.2 MB in the end (delta: -22.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:24,015 INFO L168 Benchmark]: CDTParser took 3.00 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. [2019-11-25 22:24:24,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.13 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:24,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.50 ms. Allocated memory is still 1.0 GB. Free memory is still 957.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:24,024 INFO L168 Benchmark]: Boogie Preprocessor took 143.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.3 MB in the beginning and 991.2 MB in the end (delta: -33.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:24,037 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.00 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 582.13 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 85.50 ms. Allocated memory is still 1.0 GB. Free memory is still 957.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 143.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.3 MB in the beginning and 991.2 MB in the end (delta: -33.9 MB). Peak memory consumption was 9.2 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 0.1.24-65d6cd2 [2019-11-25 22:24:27,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:27,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:27,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:27,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:27,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:27,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:27,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:27,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:27,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:27,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:27,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:27,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:27,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:27,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:27,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:27,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:27,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:27,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:27,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:27,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:27,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:27,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:27,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:27,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:27,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:27,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:27,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:27,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:27,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:27,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:27,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:27,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:27,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:27,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:27,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:27,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:27,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:27,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:27,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:27,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:27,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:24:27,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:27,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:27,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:27,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:27,982 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:27,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:27,982 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:27,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:27,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:27,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:27,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:27,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:27,987 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:24:27,990 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:24:27,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:27,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:27,991 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:27,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:27,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:27,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:27,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:27,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:27,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:27,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:27,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:27,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:27,996 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:24:27,996 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:24:27,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:27,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:24:27,999 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 [2019-11-25 22:24:28,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:28,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:28,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:28,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:28,613 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:28,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-11-25 22:24:28,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43846e1be/9fee00e0bb784249a0d62dda5bec38c8/FLAG1cb2cf6a2 [2019-11-25 22:24:29,775 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:29,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension2-1.c [2019-11-25 22:24:29,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43846e1be/9fee00e0bb784249a0d62dda5bec38c8/FLAG1cb2cf6a2 [2019-11-25 22:24:30,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43846e1be/9fee00e0bb784249a0d62dda5bec38c8 [2019-11-25 22:24:30,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:30,084 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:30,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:30,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:30,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:30,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2ddf4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30, skipping insertion in model container [2019-11-25 22:24:30,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:30,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:30,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:30,584 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:30,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:30,648 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:30,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30 WrapperNode [2019-11-25 22:24:30,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:30,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:30,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:30,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:30,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:30,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:30,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:30,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:30,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:30,829 INFO L168 Benchmark]: Toolchain (without parser) took 745.10 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:30,845 INFO L168 Benchmark]: CDTParser took 2.47 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. [2019-11-25 22:24:30,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.67 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. [2019-11-25 22:24:30,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.18 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 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:30,854 INFO L168 Benchmark]: Boogie Preprocessor took 26.16 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. [2019-11-25 22:24:30,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.47 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 563.67 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 140.18 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 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 26.16 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...