./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label52.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/Problem02_label52.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 b953cc2449a7f939fba62b70833772464a0d90fd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem02_label52.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 b953cc2449a7f939fba62b70833772464a0d90fd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:43:24,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:24,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:24,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:24,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:24,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:24,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:25,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:25,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:25,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:25,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:25,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:25,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:25,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:25,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:25,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:25,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:25,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:25,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:25,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:25,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:25,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:25,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:25,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:25,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:25,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:25,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:25,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:25,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:25,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:25,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:25,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:25,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:25,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:25,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:25,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:25,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:25,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:25,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:25,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:25,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:25,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:43:25,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:25,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:25,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:25,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:25,180 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:25,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:25,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:25,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:43:25,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:25,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:25,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:25,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:25,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:25,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:25,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:25,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:25,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:25,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:25,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:25,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:25,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:25,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:25,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:25,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:25,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:25,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:43:25,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:43:25,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:25,198 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 -> b953cc2449a7f939fba62b70833772464a0d90fd [2019-11-27 15:43:25,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:25,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:25,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:25,834 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:25,836 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:25,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2019-11-27 15:43:25,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1397fc8fd/af27a24f9d4a41bab6715a5b07b9032d/FLAG943902d9b [2019-11-27 15:43:27,275 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:27,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2019-11-27 15:43:27,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1397fc8fd/af27a24f9d4a41bab6715a5b07b9032d/FLAG943902d9b [2019-11-27 15:43:27,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1397fc8fd/af27a24f9d4a41bab6715a5b07b9032d [2019-11-27 15:43:27,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:27,373 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:27,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:27,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:27,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:27,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:27" (1/1) ... [2019-11-27 15:43:27,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:27, skipping insertion in model container [2019-11-27 15:43:27,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:27" (1/1) ... [2019-11-27 15:43:27,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:27,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:28,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:28,604 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:28,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:28,929 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:28,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28 WrapperNode [2019-11-27 15:43:28,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:28,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:28,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:28,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:28,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:29,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:29,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:29,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:29,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:29,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:29,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:29,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:29,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:29,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:29,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:29,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:29,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:29,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:29,339 INFO L168 Benchmark]: Toolchain (without parser) took 1961.67 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 967.6 MB in the end (delta: -5.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:29,341 INFO L168 Benchmark]: CDTParser took 1.36 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 15:43:29,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1561.45 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 979.0 MB in the end (delta: -17.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:29,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 215.98 ms. Allocated memory is still 1.0 GB. Free memory was 979.0 MB in the beginning and 973.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:29,351 INFO L168 Benchmark]: Boogie Preprocessor took 177.08 ms. Allocated memory is still 1.0 GB. Free memory was 973.3 MB in the beginning and 967.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:29,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 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 1561.45 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 979.0 MB in the end (delta: -17.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 215.98 ms. Allocated memory is still 1.0 GB. Free memory was 979.0 MB in the beginning and 973.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 177.08 ms. Allocated memory is still 1.0 GB. Free memory was 973.3 MB in the beginning and 967.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:43:33,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:33,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:33,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:33,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:33,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:33,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:33,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:33,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:33,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:33,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:33,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:33,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:33,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:33,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:33,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:33,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:33,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:33,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:33,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:33,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:33,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:33,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:33,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:33,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:33,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:33,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:33,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:33,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:33,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:33,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:33,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:33,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:33,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:33,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:33,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:33,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:33,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:33,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:33,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:33,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:33,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:33,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:33,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:33,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:33,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:33,469 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:33,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:33,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:33,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:33,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:33,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:33,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:33,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:33,472 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:33,474 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:33,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:33,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:33,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:33,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:33,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:33,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:33,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:33,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:33,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:33,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:33,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:33,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:33,482 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:33,482 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:33,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:33,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:33,486 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 -> b953cc2449a7f939fba62b70833772464a0d90fd [2019-11-27 15:43:33,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:34,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:34,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:34,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:34,043 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:34,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2019-11-27 15:43:34,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f990675f9/5a80b1cf54554218887362c70d962b3f/FLAG08c2dc566 [2019-11-27 15:43:35,434 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:35,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2019-11-27 15:43:35,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f990675f9/5a80b1cf54554218887362c70d962b3f/FLAG08c2dc566 [2019-11-27 15:43:35,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f990675f9/5a80b1cf54554218887362c70d962b3f [2019-11-27 15:43:35,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:35,910 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:35,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:35,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:35,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:35,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:35" (1/1) ... [2019-11-27 15:43:35,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8ee707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:35, skipping insertion in model container [2019-11-27 15:43:35,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:35" (1/1) ... [2019-11-27 15:43:35,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:36,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:37,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:37,190 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:37,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:37,518 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:37,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37 WrapperNode [2019-11-27 15:43:37,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:37,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:37,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:37,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:37,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37" (1/1) ... [2019-11-27 15:43:37,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37" (1/1) ... [2019-11-27 15:43:37,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:37,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:37,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:37,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:37,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37" (1/1) ... [2019-11-27 15:43:37,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37" (1/1) ... [2019-11-27 15:43:37,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37" (1/1) ... [2019-11-27 15:43:37,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37" (1/1) ... [2019-11-27 15:43:37,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37" (1/1) ... [2019-11-27 15:43:37,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37" (1/1) ... [2019-11-27 15:43:37,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:37" (1/1) ... [2019-11-27 15:43:37,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:37,896 INFO L168 Benchmark]: Toolchain (without parser) took 1976.09 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:37,897 INFO L168 Benchmark]: CDTParser took 0.44 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 15:43:37,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1599.78 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:37,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.82 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:37,906 INFO L168 Benchmark]: Boogie Preprocessor took 193.50 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:37,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1599.78 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.82 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 193.50 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...