./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem19_label38.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/eca-rers2012/Problem19_label38.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 c81cc42217a556880aaa2788338468e51e44b4e8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/eca-rers2012/Problem19_label38.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 c81cc42217a556880aaa2788338468e51e44b4e8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:01:24,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:01:25,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:01:25,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:01:25,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:01:25,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:01:25,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:01:25,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:01:25,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:01:25,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:01:25,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:01:25,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:01:25,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:01:25,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:01:25,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:01:25,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:01:25,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:01:25,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:01:25,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:01:25,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:01:25,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:01:25,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:01:25,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:01:25,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:01:25,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:01:25,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:01:25,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:01:25,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:01:25,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:01:25,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:01:25,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:01:25,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:01:25,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:01:25,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:01:25,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:01:25,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:01:25,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:01:25,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:01:25,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:01:25,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:01:25,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:01:25,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:01:25,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:01:25,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:01:25,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:01:25,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:01:25,215 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:01:25,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:01:25,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:01:25,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:01:25,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:01:25,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:01:25,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:01:25,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:01:25,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:01:25,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:01:25,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:01:25,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:01:25,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:01:25,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:01:25,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:01:25,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:01:25,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:01:25,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:01:25,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:01:25,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:01:25,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:01:25,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:01:25,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:01:25,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:01:25,231 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 -> c81cc42217a556880aaa2788338468e51e44b4e8 [2019-11-27 16:01:25,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:01:25,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:01:25,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:01:25,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:01:25,867 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:01:25,869 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label38.c [2019-11-27 16:01:26,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019aefda1/0f8e145aab1a4160b9363dfd0634ea35/FLAGd0a1f8973 [2019-11-27 16:01:28,197 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:01:28,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label38.c [2019-11-27 16:01:28,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019aefda1/0f8e145aab1a4160b9363dfd0634ea35/FLAGd0a1f8973 [2019-11-27 16:01:28,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019aefda1/0f8e145aab1a4160b9363dfd0634ea35 [2019-11-27 16:01:28,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:01:28,403 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:01:28,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:28,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:01:28,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:01:28,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:28,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22abccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28, skipping insertion in model container [2019-11-27 16:01:28,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:28,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:01:28,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:33,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:33,933 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:36,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:36,740 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:36,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36 WrapperNode [2019-11-27 16:01:36,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:36,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:36,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:36,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:36,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36" (1/1) ... [2019-11-27 16:01:36,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36" (1/1) ... [2019-11-27 16:01:38,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:38,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:38,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:38,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:38,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36" (1/1) ... [2019-11-27 16:01:38,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36" (1/1) ... [2019-11-27 16:01:38,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36" (1/1) ... [2019-11-27 16:01:38,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36" (1/1) ... [2019-11-27 16:01:40,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36" (1/1) ... [2019-11-27 16:01:40,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36" (1/1) ... [2019-11-27 16:01:40,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:36" (1/1) ... [2019-11-27 16:01:40,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:40,983 INFO L168 Benchmark]: Toolchain (without parser) took 12573.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 775.3 MB in the end (delta: 163.5 MB). Peak memory consumption was 392.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:40,985 INFO L168 Benchmark]: CDTParser took 0.34 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 16:01:40,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8337.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 870.2 MB in the end (delta: 68.6 MB). Peak memory consumption was 277.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:40,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 1502.60 ms. Allocated memory is still 1.0 GB. Free memory was 870.2 MB in the beginning and 700.7 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:40,999 INFO L168 Benchmark]: Boogie Preprocessor took 2727.55 ms. Allocated memory is still 1.0 GB. Free memory was 700.7 MB in the beginning and 775.3 MB in the end (delta: -74.6 MB). Peak memory consumption was 154.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:41,015 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 8337.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 870.2 MB in the end (delta: 68.6 MB). Peak memory consumption was 277.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1502.60 ms. Allocated memory is still 1.0 GB. Free memory was 870.2 MB in the beginning and 700.7 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2727.55 ms. Allocated memory is still 1.0 GB. Free memory was 700.7 MB in the beginning and 775.3 MB in the end (delta: -74.6 MB). Peak memory consumption was 154.7 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 16:01:45,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:01:45,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:01:45,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:01:45,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:01:45,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:01:45,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:01:45,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:01:45,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:01:45,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:01:45,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:01:45,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:01:45,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:01:45,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:01:45,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:01:45,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:01:45,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:01:45,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:01:45,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:01:45,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:01:45,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:01:45,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:01:45,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:01:45,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:01:45,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:01:45,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:01:45,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:01:45,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:01:45,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:01:45,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:01:45,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:01:45,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:01:45,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:01:45,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:01:45,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:01:45,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:01:45,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:01:45,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:01:45,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:01:45,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:01:45,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:01:45,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:01:45,311 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:01:45,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:01:45,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:01:45,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:01:45,319 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:01:45,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:01:45,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:01:45,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:01:45,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:01:45,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:01:45,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:01:45,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:01:45,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:01:45,328 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:01:45,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:01:45,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:01:45,329 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:01:45,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:01:45,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:01:45,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:01:45,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:01:45,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:01:45,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:01:45,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:01:45,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:01:45,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:01:45,335 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:01:45,337 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:01:45,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:01:45,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:01:45,339 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 -> c81cc42217a556880aaa2788338468e51e44b4e8 [2019-11-27 16:01:45,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:01:45,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:01:45,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:01:45,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:01:45,978 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:01:45,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label38.c [2019-11-27 16:01:46,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4d70dc2/e7bf6e0631d14ab785a6071eb7cf8332/FLAG58ffcb350 [2019-11-27 16:01:48,053 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:01:48,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label38.c [2019-11-27 16:01:48,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4d70dc2/e7bf6e0631d14ab785a6071eb7cf8332/FLAG58ffcb350 [2019-11-27 16:01:48,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4d70dc2/e7bf6e0631d14ab785a6071eb7cf8332 [2019-11-27 16:01:48,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:01:48,255 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:01:48,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:48,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:01:48,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:01:48,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:48" (1/1) ... [2019-11-27 16:01:48,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:48, skipping insertion in model container [2019-11-27 16:01:48,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:48" (1/1) ... [2019-11-27 16:01:48,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:01:48,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:54,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:54,136 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:56,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:56,994 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:56,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56 WrapperNode [2019-11-27 16:01:56,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:56,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:57,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:57,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:57,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56" (1/1) ... [2019-11-27 16:01:57,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56" (1/1) ... [2019-11-27 16:01:57,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:57,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:57,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:57,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:57,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56" (1/1) ... [2019-11-27 16:01:57,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56" (1/1) ... [2019-11-27 16:01:58,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56" (1/1) ... [2019-11-27 16:01:58,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56" (1/1) ... [2019-11-27 16:01:58,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56" (1/1) ... [2019-11-27 16:01:59,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56" (1/1) ... [2019-11-27 16:01:59,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:56" (1/1) ... [2019-11-27 16:01:59,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:59,381 INFO L168 Benchmark]: Toolchain (without parser) took 11119.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 937.3 MB in the beginning and 863.0 MB in the end (delta: 74.4 MB). Peak memory consumption was 317.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:59,382 INFO L168 Benchmark]: CDTParser took 3.66 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 16:01:59,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8741.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 937.3 MB in the beginning and 761.4 MB in the end (delta: 176.0 MB). Peak memory consumption was 257.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:59,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 845.22 ms. Allocated memory is still 1.0 GB. Free memory was 761.4 MB in the beginning and 696.8 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:59,394 INFO L168 Benchmark]: Boogie Preprocessor took 1527.15 ms. Allocated memory is still 1.0 GB. Free memory was 696.8 MB in the beginning and 863.0 MB in the end (delta: -166.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:59,404 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.66 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 8741.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 937.3 MB in the beginning and 761.4 MB in the end (delta: 176.0 MB). Peak memory consumption was 257.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 845.22 ms. Allocated memory is still 1.0 GB. Free memory was 761.4 MB in the beginning and 696.8 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1527.15 ms. Allocated memory is still 1.0 GB. Free memory was 696.8 MB in the beginning and 863.0 MB in the end (delta: -166.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...