./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label31.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/Problem04_label31.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 e22aca670eebcc48bb749d0b781a89489aaaae48 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem04_label31.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 e22aca670eebcc48bb749d0b781a89489aaaae48 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:27:35,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:27:35,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:27:35,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:27:35,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:27:35,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:27:35,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:27:36,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:27:36,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:27:36,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:27:36,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:27:36,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:27:36,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:27:36,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:27:36,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:27:36,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:27:36,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:27:36,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:27:36,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:27:36,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:27:36,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:27:36,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:27:36,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:27:36,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:27:36,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:27:36,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:27:36,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:27:36,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:27:36,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:27:36,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:27:36,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:27:36,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:27:36,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:27:36,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:27:36,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:27:36,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:27:36,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:27:36,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:27:36,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:27:36,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:27:36,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:27:36,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:27:36,160 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:27:36,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:27:36,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:27:36,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:27:36,166 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:27:36,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:27:36,167 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:27:36,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:27:36,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:27:36,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:27:36,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:27:36,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:27:36,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:27:36,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:27:36,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:27:36,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:27:36,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:27:36,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:27:36,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:27:36,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:27:36,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:27:36,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:27:36,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:27:36,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:27:36,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:27:36,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:27:36,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:27:36,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:27:36,181 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 -> e22aca670eebcc48bb749d0b781a89489aaaae48 [2019-11-25 22:27:36,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:27:36,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:27:36,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:27:36,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:27:36,824 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:27:36,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2019-11-25 22:27:36,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a688ba69c/5be494341a3d476ebfe4c5713ce136d9/FLAG568773910 [2019-11-25 22:27:38,705 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:27:38,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2019-11-25 22:27:38,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a688ba69c/5be494341a3d476ebfe4c5713ce136d9/FLAG568773910 [2019-11-25 22:27:39,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a688ba69c/5be494341a3d476ebfe4c5713ce136d9 [2019-11-25 22:27:39,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:27:39,205 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:27:39,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:27:39,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:27:39,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:27:39,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:39" (1/1) ... [2019-11-25 22:27:39,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65aa4a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:39, skipping insertion in model container [2019-11-25 22:27:39,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:39" (1/1) ... [2019-11-25 22:27:39,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:27:39,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:27:42,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:27:42,727 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:27:44,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:27:44,445 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:27:44,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44 WrapperNode [2019-11-25 22:27:44,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:27:44,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:27:44,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:27:44,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:27:44,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44" (1/1) ... [2019-11-25 22:27:44,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44" (1/1) ... [2019-11-25 22:27:44,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:27:44,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:27:44,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:27:44,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:27:44,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44" (1/1) ... [2019-11-25 22:27:44,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44" (1/1) ... [2019-11-25 22:27:45,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44" (1/1) ... [2019-11-25 22:27:45,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44" (1/1) ... [2019-11-25 22:27:45,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44" (1/1) ... [2019-11-25 22:27:45,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44" (1/1) ... [2019-11-25 22:27:45,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44" (1/1) ... [2019-11-25 22:27:45,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:27:45,471 INFO L168 Benchmark]: Toolchain (without parser) took 6259.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 768.4 MB in the end (delta: 180.3 MB). Peak memory consumption was 180.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:45,473 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-25 22:27:45,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5243.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 833.4 MB in the end (delta: 115.4 MB). Peak memory consumption was 115.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:45,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 497.02 ms. Allocated memory is still 1.0 GB. Free memory was 833.4 MB in the beginning and 799.0 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:45,485 INFO L168 Benchmark]: Boogie Preprocessor took 511.75 ms. Allocated memory is still 1.0 GB. Free memory was 799.0 MB in the beginning and 768.4 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:45,494 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 5243.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 833.4 MB in the end (delta: 115.4 MB). Peak memory consumption was 115.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 497.02 ms. Allocated memory is still 1.0 GB. Free memory was 833.4 MB in the beginning and 799.0 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 511.75 ms. Allocated memory is still 1.0 GB. Free memory was 799.0 MB in the beginning and 768.4 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 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 22:27:49,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:27:49,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:27:49,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:27:49,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:27:49,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:27:49,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:27:49,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:27:49,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:27:49,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:27:49,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:27:49,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:27:49,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:27:49,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:27:49,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:27:49,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:27:49,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:27:49,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:27:49,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:27:49,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:27:49,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:27:49,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:27:49,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:27:49,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:27:49,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:27:49,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:27:49,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:27:49,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:27:49,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:27:49,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:27:49,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:27:49,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:27:49,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:27:49,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:27:49,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:27:49,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:27:49,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:27:49,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:27:49,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:27:49,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:27:49,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:27:49,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:27:49,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:27:49,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:27:49,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:27:49,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:27:49,578 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:27:49,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:27:49,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:27:49,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:27:49,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:27:49,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:27:49,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:27:49,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:27:49,584 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:27:49,586 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:27:49,586 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:27:49,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:27:49,587 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:27:49,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:27:49,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:27:49,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:27:49,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:27:49,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:27:49,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:27:49,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:27:49,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:27:49,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:27:49,594 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:27:49,594 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:27:49,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:27:49,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:27:49,598 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 -> e22aca670eebcc48bb749d0b781a89489aaaae48 [2019-11-25 22:27:50,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:27:50,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:27:50,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:27:50,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:27:50,145 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:27:50,147 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2019-11-25 22:27:50,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/101cf70e9/bdaa1f5154fa4786adbb4a555e305d0b/FLAGed7ddfa18 [2019-11-25 22:27:51,900 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:27:51,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2019-11-25 22:27:51,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/101cf70e9/bdaa1f5154fa4786adbb4a555e305d0b/FLAGed7ddfa18 [2019-11-25 22:27:52,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/101cf70e9/bdaa1f5154fa4786adbb4a555e305d0b [2019-11-25 22:27:52,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:27:52,506 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:27:52,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:27:52,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:27:52,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:27:52,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:52" (1/1) ... [2019-11-25 22:27:52,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46807bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:52, skipping insertion in model container [2019-11-25 22:27:52,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:52" (1/1) ... [2019-11-25 22:27:52,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:27:52,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:27:55,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:27:55,967 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:27:57,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:27:57,650 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:27:57,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57 WrapperNode [2019-11-25 22:27:57,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:27:57,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:27:57,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:27:57,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:27:57,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57" (1/1) ... [2019-11-25 22:27:57,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57" (1/1) ... [2019-11-25 22:27:58,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:27:58,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:27:58,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:27:58,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:27:58,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57" (1/1) ... [2019-11-25 22:27:58,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57" (1/1) ... [2019-11-25 22:27:58,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57" (1/1) ... [2019-11-25 22:27:58,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57" (1/1) ... [2019-11-25 22:27:58,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57" (1/1) ... [2019-11-25 22:27:58,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57" (1/1) ... [2019-11-25 22:27:58,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:57" (1/1) ... [2019-11-25 22:27:58,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:27:58,703 INFO L168 Benchmark]: Toolchain (without parser) took 6193.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.4 MB in the beginning and 747.5 MB in the end (delta: 196.9 MB). Peak memory consumption was 197.0 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:58,706 INFO L168 Benchmark]: CDTParser took 1.09 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 22:27:58,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5145.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.4 MB in the beginning and 822.0 MB in the end (delta: 122.4 MB). Peak memory consumption was 122.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:58,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 608.73 ms. Allocated memory is still 1.0 GB. Free memory was 822.0 MB in the beginning and 781.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:58,716 INFO L168 Benchmark]: Boogie Preprocessor took 430.71 ms. Allocated memory is still 1.0 GB. Free memory was 781.9 MB in the beginning and 747.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:58,725 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 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 5145.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.4 MB in the beginning and 822.0 MB in the end (delta: 122.4 MB). Peak memory consumption was 122.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 608.73 ms. Allocated memory is still 1.0 GB. Free memory was 822.0 MB in the beginning and 781.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 430.71 ms. Allocated memory is still 1.0 GB. Free memory was 781.9 MB in the beginning and 747.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...