./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/functions_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/functions_1-1.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 f0ae8481cb7d66387a2e77b5a671f790dc346fc7 .......................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/functions_1-1.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 f0ae8481cb7d66387a2e77b5a671f790dc346fc7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:13:04,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:04,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:04,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:04,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:04,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:04,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:04,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:04,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:05,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:05,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:05,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:05,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:05,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:05,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:05,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:05,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:05,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:05,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:05,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:05,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:05,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:05,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:05,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:05,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:05,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:05,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:05,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:05,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:05,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:05,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:05,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:05,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:05,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:05,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:05,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:05,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:05,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:05,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:05,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:05,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:05,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:05,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:05,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:05,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:05,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:05,144 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:05,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:05,146 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:05,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:05,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:05,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:05,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:05,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:05,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:05,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:05,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:05,152 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:05,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:05,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:05,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:05,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:05,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:05,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:05,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:05,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:05,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:05,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:05,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:05,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:05,162 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 -> f0ae8481cb7d66387a2e77b5a671f790dc346fc7 [2019-11-27 16:13:05,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:05,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:05,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:05,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:05,755 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:05,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-27 16:13:05,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee5ad367/6cbc1e60c06c4f4c89cd5644f92393a2/FLAG2338d9b45 [2019-11-27 16:13:06,898 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:06,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-27 16:13:06,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee5ad367/6cbc1e60c06c4f4c89cd5644f92393a2/FLAG2338d9b45 [2019-11-27 16:13:07,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee5ad367/6cbc1e60c06c4f4c89cd5644f92393a2 [2019-11-27 16:13:07,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:07,087 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:07,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:07,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:07,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:07,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7f9016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07, skipping insertion in model container [2019-11-27 16:13:07,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:07,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:07,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:07,625 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:07,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:07,701 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:07,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07 WrapperNode [2019-11-27 16:13:07,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:07,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:07,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:07,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:07,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:07,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:07,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:07,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:07,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:07,991 INFO L168 Benchmark]: Toolchain (without parser) took 896.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:07,993 INFO L168 Benchmark]: CDTParser took 0.41 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 16:13:07,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:07,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 222.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:08,003 INFO L168 Benchmark]: Boogie Preprocessor took 48.60 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:08,014 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 614.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 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 222.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.60 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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 0.1.24-509859d [2019-11-27 16:13:11,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:11,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:11,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:11,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:11,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:11,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:11,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:11,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:11,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:11,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:11,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:11,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:11,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:11,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:11,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:11,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:11,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:11,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:11,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:11,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:11,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:11,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:11,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:11,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:11,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:11,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:11,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:11,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:11,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:11,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:11,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:11,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:11,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:11,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:11,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:11,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:11,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:11,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:11,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:11,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:11,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:11,943 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:11,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:11,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:11,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:11,952 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:11,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:11,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:11,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:11,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:11,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:11,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:11,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:11,957 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:11,957 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:11,958 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:11,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:11,959 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:11,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:11,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:11,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:11,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:11,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:11,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:11,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:11,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:11,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:11,964 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:11,967 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:11,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:11,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:11,969 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 -> f0ae8481cb7d66387a2e77b5a671f790dc346fc7 [2019-11-27 16:13:12,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:12,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:12,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:12,679 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:12,681 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:12,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-27 16:13:12,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a45c784/dcbe54b7e85d4949a3358f42c0757d09/FLAG81ba1da5b [2019-11-27 16:13:13,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:13,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-27 16:13:13,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a45c784/dcbe54b7e85d4949a3358f42c0757d09/FLAG81ba1da5b [2019-11-27 16:13:14,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a45c784/dcbe54b7e85d4949a3358f42c0757d09 [2019-11-27 16:13:14,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:14,060 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:14,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:14,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:14,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:14,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31007272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14, skipping insertion in model container [2019-11-27 16:13:14,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:14,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:14,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:14,548 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:14,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:14,606 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:14,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14 WrapperNode [2019-11-27 16:13:14,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:14,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:14,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:14,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:14,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:14,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:14,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:14,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:14,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:14,800 INFO L168 Benchmark]: Toolchain (without parser) took 738.03 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. [2019-11-27 16:13:14,802 INFO L168 Benchmark]: CDTParser took 1.45 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 16:13:14,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.65 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. [2019-11-27 16:13:14,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:14,809 INFO L168 Benchmark]: Boogie Preprocessor took 29.62 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:14,825 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45 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 544.65 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 149.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 29.62 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...