./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/while_infinite_loop_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/while_infinite_loop_4.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 ef9ee2b82a40720ec57dc1562759dd601b686b38 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loops/while_infinite_loop_4.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 ef9ee2b82a40720ec57dc1562759dd601b686b38 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:05,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:05,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:05,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:05,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:05,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:05,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:05,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:05,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:05,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:05,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:05,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:05,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:05,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:05,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:05,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:05,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:05,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:05,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:05,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:05,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:05,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:05,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:05,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:05,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:05,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:05,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:05,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:05,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:05,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:05,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:05,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:05,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:05,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:05,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:05,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:05,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:05,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:05,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:05,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:05,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:05,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:05,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:05,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:05,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:05,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:05,247 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:05,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:05,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:05,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:05,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:05,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:05,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:05,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:05,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:05,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:05,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:05,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:05,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:05,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:05,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:05,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:05,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:05,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:05,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:05,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:05,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:05,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:05,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:05,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:05,263 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 -> ef9ee2b82a40720ec57dc1562759dd601b686b38 [2019-11-27 09:51:05,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:05,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:05,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:05,912 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:05,914 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:05,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/while_infinite_loop_4.c [2019-11-27 09:51:06,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b9b7f65/0583f97c26c943049f3a682201968e1c/FLAG791a57cb0 [2019-11-27 09:51:07,117 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:07,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/while_infinite_loop_4.c [2019-11-27 09:51:07,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b9b7f65/0583f97c26c943049f3a682201968e1c/FLAG791a57cb0 [2019-11-27 09:51:07,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b9b7f65/0583f97c26c943049f3a682201968e1c [2019-11-27 09:51:07,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:07,190 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:07,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:07,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:07,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:07,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:07,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07, skipping insertion in model container [2019-11-27 09:51:07,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:07,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:07,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:07,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:07,712 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:07,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:07,785 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:07,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07 WrapperNode [2019-11-27 09:51:07,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:07,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:07,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:07,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:07,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:07,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:07,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:07,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:07,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:07,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:08,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:08,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:08,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:08,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:08,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:08,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:08,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:07" (1/1) ... [2019-11-27 09:51:08,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:08,052 INFO L168 Benchmark]: Toolchain (without parser) took 846.33 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:08,055 INFO L168 Benchmark]: CDTParser took 1.71 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:08,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.40 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:08,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:08,063 INFO L168 Benchmark]: Boogie Preprocessor took 40.28 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:08,076 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71 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 595.40 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 202.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.28 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:12,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:12,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:12,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:12,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:12,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:12,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:12,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:12,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:12,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:12,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:12,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:12,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:12,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:12,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:12,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:12,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:12,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:12,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:12,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:12,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:12,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:12,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:12,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:12,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:12,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:12,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:12,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:12,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:12,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:12,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:12,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:12,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:12,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:12,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:12,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:12,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:12,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:12,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:12,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:12,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:12,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:12,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:12,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:12,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:12,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:12,405 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:12,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:12,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:12,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:12,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:12,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:12,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:12,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:12,411 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:12,411 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:12,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:12,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:12,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:12,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:12,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:12,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:12,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:12,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:12,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:12,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:12,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:12,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:12,422 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:12,422 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:12,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:12,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:12,424 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 -> ef9ee2b82a40720ec57dc1562759dd601b686b38 [2019-11-27 09:51:13,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:13,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:13,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:13,063 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:13,063 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:13,064 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/while_infinite_loop_4.c [2019-11-27 09:51:13,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00a1b251/2903db5f736d4618a2a7a73f6fa475c8/FLAG51b918e26 [2019-11-27 09:51:14,264 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:14,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/while_infinite_loop_4.c [2019-11-27 09:51:14,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00a1b251/2903db5f736d4618a2a7a73f6fa475c8/FLAG51b918e26 [2019-11-27 09:51:14,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00a1b251/2903db5f736d4618a2a7a73f6fa475c8 [2019-11-27 09:51:14,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:14,333 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:14,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:14,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:14,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:14,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:14,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14, skipping insertion in model container [2019-11-27 09:51:14,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:14,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:14,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:14,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:14,822 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:14,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:14,896 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:14,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14 WrapperNode [2019-11-27 09:51:14,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:14,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:14,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:14,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:14,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:15,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:15,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:15,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:15,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:15,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:15,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:15,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:15,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:15,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:15,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:15,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:15,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:14" (1/1) ... [2019-11-27 09:51:15,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:15,121 INFO L168 Benchmark]: Toolchain (without parser) took 786.69 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 09:51:15,135 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:15,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.77 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 09:51:15,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.21 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. [2019-11-27 09:51:15,145 INFO L168 Benchmark]: Boogie Preprocessor took 50.95 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 09:51:15,158 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 565.77 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 162.21 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 50.95 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...