./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/simple_4-2.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 f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/simple_4-2.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 f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:10:02,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:02,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:02,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:02,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:03,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:03,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:03,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:03,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:03,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:03,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:03,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:03,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:03,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:03,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:03,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:03,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:03,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:03,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:03,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:03,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:03,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:03,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:03,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:03,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:03,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:03,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:03,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:03,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:03,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:03,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:03,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:03,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:03,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:03,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:03,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:03,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:03,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:03,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:03,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:03,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:03,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:10:03,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:03,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:03,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:03,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:03,134 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:03,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:03,137 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:03,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:10:03,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:03,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:03,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:03,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:03,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:03,140 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:03,140 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:03,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:03,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:03,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:03,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:03,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:03,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:03,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:03,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:03,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:03,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:03,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:03,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:10:03,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:10:03,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:03,145 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 -> f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 [2019-11-24 21:10:03,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:03,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:03,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:03,661 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:03,664 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:03,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-24 21:10:03,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/533cfc2df/6ef8ef6c8a044252bd29c73e8a76567c/FLAGca15ca48a [2019-11-24 21:10:04,477 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:04,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-24 21:10:04,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/533cfc2df/6ef8ef6c8a044252bd29c73e8a76567c/FLAGca15ca48a [2019-11-24 21:10:04,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/533cfc2df/6ef8ef6c8a044252bd29c73e8a76567c [2019-11-24 21:10:04,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:04,823 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:04,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:04,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:04,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:04,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:04" (1/1) ... [2019-11-24 21:10:04,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb873af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:04, skipping insertion in model container [2019-11-24 21:10:04,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:04" (1/1) ... [2019-11-24 21:10:04,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:04,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:05,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:05,130 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:05,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:05,160 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:05,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05 WrapperNode [2019-11-24 21:10:05,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:05,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:05,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:05,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:05,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:05,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:05,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:05,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:05,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:05,308 INFO L168 Benchmark]: Toolchain (without parser) took 468.60 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:05,310 INFO L168 Benchmark]: CDTParser took 1.23 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. [2019-11-24 21:10:05,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.86 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. [2019-11-24 21:10:05,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:05,320 INFO L168 Benchmark]: Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:05,326 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 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 336.86 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 100.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:10:07,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:07,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:08,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:08,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:08,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:08,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:08,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:08,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:08,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:08,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:08,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:08,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:08,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:08,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:08,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:08,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:08,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:08,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:08,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:08,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:08,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:08,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:08,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:08,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:08,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:08,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:08,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:08,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:08,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:08,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:08,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:08,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:08,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:08,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:08,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:08,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:08,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:08,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:08,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:08,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:08,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:10:08,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:08,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:08,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:08,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:08,168 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:08,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:08,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:08,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:08,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:08,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:08,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:08,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:08,171 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:08,173 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:10:08,173 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:10:08,173 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:08,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:08,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:08,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:08,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:08,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:08,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:08,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:08,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:08,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:08,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:08,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:08,179 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:10:08,179 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:10:08,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:08,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:10:08,181 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 -> f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 [2019-11-24 21:10:08,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:08,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:08,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:08,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:08,673 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:08,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-24 21:10:08,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d0e40199/2aabf5ea415e4c52ac14a3725463307f/FLAGedfdd7a3a [2019-11-24 21:10:09,476 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:09,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-24 21:10:09,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d0e40199/2aabf5ea415e4c52ac14a3725463307f/FLAGedfdd7a3a [2019-11-24 21:10:09,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d0e40199/2aabf5ea415e4c52ac14a3725463307f [2019-11-24 21:10:09,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:09,820 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:09,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:09,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:09,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:09,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09, skipping insertion in model container [2019-11-24 21:10:09,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:09,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:10,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:10,161 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:10,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:10,190 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:10,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10 WrapperNode [2019-11-24 21:10:10,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:10,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:10,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:10,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:10,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10" (1/1) ... [2019-11-24 21:10:10,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10" (1/1) ... [2019-11-24 21:10:10,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:10,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:10,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:10,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:10,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10" (1/1) ... [2019-11-24 21:10:10,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10" (1/1) ... [2019-11-24 21:10:10,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10" (1/1) ... [2019-11-24 21:10:10,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10" (1/1) ... [2019-11-24 21:10:10,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10" (1/1) ... [2019-11-24 21:10:10,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10" (1/1) ... [2019-11-24 21:10:10,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:10" (1/1) ... [2019-11-24 21:10:10,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:10,341 INFO L168 Benchmark]: Toolchain (without parser) took 503.85 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 997.0 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:10,343 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:10,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.96 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. [2019-11-24 21:10:10,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.26 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 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:10,347 INFO L168 Benchmark]: Boogie Preprocessor took 22.41 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. [2019-11-24 21:10:10,352 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 365.96 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 103.26 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 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 22.41 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...