./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_label56.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 ba14f37e794170b10f4bcc13681acbd0ae9fe016 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_label56.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 ba14f37e794170b10f4bcc13681acbd0ae9fe016 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:26:28,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:26:28,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:26:29,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:26:29,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:26:29,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:26:29,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:26:29,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:26:29,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:26:29,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:26:29,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:26:29,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:26:29,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:26:29,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:26:29,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:26:29,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:26:29,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:26:29,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:26:29,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:26:29,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:26:29,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:26:29,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:26:29,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:26:29,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:26:29,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:26:29,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:26:29,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:26:29,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:26:29,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:26:29,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:26:29,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:26:29,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:26:29,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:26:29,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:26:29,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:26:29,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:26:29,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:26:29,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:26:29,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:26:29,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:26:29,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:26:29,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:26:29,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:26:29,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:26:29,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:26:29,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:26:29,209 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:26:29,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:26:29,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:26:29,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:26:29,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:26:29,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:26:29,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:26:29,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:26:29,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:26:29,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:26:29,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:26:29,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:26:29,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:26:29,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:26:29,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:26:29,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:26:29,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:26:29,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:26:29,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:26:29,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:26:29,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:26:29,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:26:29,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:26:29,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:26:29,224 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 -> ba14f37e794170b10f4bcc13681acbd0ae9fe016 [2019-11-25 22:26:29,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:26:29,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:26:29,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:26:29,841 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:26:29,844 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:26:29,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-25 22:26:30,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5bb16bd/ec59dd958a9c4ca5b0d18bdce40c6f5a/FLAG079422c69 [2019-11-25 22:26:31,282 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:26:31,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-25 22:26:31,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5bb16bd/ec59dd958a9c4ca5b0d18bdce40c6f5a/FLAG079422c69 [2019-11-25 22:26:31,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5bb16bd/ec59dd958a9c4ca5b0d18bdce40c6f5a [2019-11-25 22:26:31,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:26:31,368 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:26:31,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:31,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:26:31,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:26:31,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:31" (1/1) ... [2019-11-25 22:26:31,390 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 25.11 10:26:31, skipping insertion in model container [2019-11-25 22:26:31,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:31" (1/1) ... [2019-11-25 22:26:31,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:26:31,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:26:32,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:32,594 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:26:32,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:32,931 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:26:32,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32 WrapperNode [2019-11-25 22:26:32,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:32,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:32,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:26:32,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:26:32,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32" (1/1) ... [2019-11-25 22:26:33,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32" (1/1) ... [2019-11-25 22:26:33,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:33,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:26:33,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:26:33,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:26:33,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32" (1/1) ... [2019-11-25 22:26:33,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32" (1/1) ... [2019-11-25 22:26:33,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32" (1/1) ... [2019-11-25 22:26:33,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32" (1/1) ... [2019-11-25 22:26:33,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32" (1/1) ... [2019-11-25 22:26:33,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32" (1/1) ... [2019-11-25 22:26:33,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:32" (1/1) ... [2019-11-25 22:26:33,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:26:33,347 INFO L168 Benchmark]: Toolchain (without parser) took 1974.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 961.7 MB in the end (delta: 2.9 kB). Peak memory consumption was 68.5 kB. Max. memory is 12.5 GB. [2019-11-25 22:26:33,348 INFO L168 Benchmark]: CDTParser took 3.58 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. [2019-11-25 22:26:33,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1562.82 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 973.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:33,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.80 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:33,357 INFO L168 Benchmark]: Boogie Preprocessor took 186.82 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:33,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.58 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 1562.82 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 973.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 212.80 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.82 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 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 0.1.24-65d6cd2 [2019-11-25 22:26:37,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:26:37,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:26:37,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:26:37,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:26:37,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:26:37,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:26:37,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:26:37,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:26:37,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:26:37,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:26:37,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:26:37,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:26:37,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:26:37,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:26:37,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:26:37,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:26:37,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:26:37,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:26:37,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:26:37,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:26:37,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:26:37,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:26:37,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:26:37,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:26:37,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:26:37,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:26:37,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:26:37,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:26:37,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:26:37,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:26:37,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:26:37,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:26:37,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:26:37,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:26:37,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:26:37,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:26:37,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:26:37,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:26:37,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:26:37,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:26:37,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:26:37,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:26:37,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:26:37,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:26:37,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:26:37,442 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:26:37,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:26:37,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:26:37,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:26:37,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:26:37,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:26:37,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:26:37,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:26:37,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:26:37,449 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:26:37,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:26:37,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:26:37,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:26:37,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:26:37,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:26:37,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:26:37,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:26:37,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:26:37,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:26:37,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:26:37,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:26:37,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:26:37,459 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:26:37,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:26:37,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:26:37,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:26:37,461 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 -> ba14f37e794170b10f4bcc13681acbd0ae9fe016 [2019-11-25 22:26:38,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:26:38,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:26:38,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:26:38,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:26:38,076 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:26:38,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-25 22:26:38,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f19fa8e1b/da7de1a99bb64d7480ceed669c576c2b/FLAGa29e97c34 [2019-11-25 22:26:39,337 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:26:39,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-25 22:26:39,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f19fa8e1b/da7de1a99bb64d7480ceed669c576c2b/FLAGa29e97c34 [2019-11-25 22:26:39,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f19fa8e1b/da7de1a99bb64d7480ceed669c576c2b [2019-11-25 22:26:39,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:26:39,423 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:26:39,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:39,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:26:39,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:26:39,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:39" (1/1) ... [2019-11-25 22:26:39,451 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 25.11 10:26:39, skipping insertion in model container [2019-11-25 22:26:39,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:39" (1/1) ... [2019-11-25 22:26:39,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:26:39,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:26:40,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:40,756 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:26:41,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:41,124 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:26:41,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41 WrapperNode [2019-11-25 22:26:41,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:41,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:41,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:26:41,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:26:41,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41" (1/1) ... [2019-11-25 22:26:41,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41" (1/1) ... [2019-11-25 22:26:41,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:41,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:26:41,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:26:41,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:26:41,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41" (1/1) ... [2019-11-25 22:26:41,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41" (1/1) ... [2019-11-25 22:26:41,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41" (1/1) ... [2019-11-25 22:26:41,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41" (1/1) ... [2019-11-25 22:26:41,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41" (1/1) ... [2019-11-25 22:26:41,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41" (1/1) ... [2019-11-25 22:26:41,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:41" (1/1) ... [2019-11-25 22:26:41,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:26:41,565 INFO L168 Benchmark]: Toolchain (without parser) took 2137.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 956.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:41,566 INFO L168 Benchmark]: CDTParser took 2.44 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. [2019-11-25 22:26:41,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1694.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:41,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 229.62 ms. Allocated memory is still 1.0 GB. Free memory was 968.0 MB in the beginning and 962.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:41,574 INFO L168 Benchmark]: Boogie Preprocessor took 194.56 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:41,580 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.44 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 1694.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 229.62 ms. Allocated memory is still 1.0 GB. Free memory was 968.0 MB in the beginning and 962.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.56 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 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...