./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label56.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/Problem12_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 f1ef51d91bde6f8632beb9024a900da7fe738d94 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem12_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 f1ef51d91bde6f8632beb9024a900da7fe738d94 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:55:57,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:55:57,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:55:57,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:55:57,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:55:57,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:55:57,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:55:57,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:55:57,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:55:57,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:55:57,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:55:57,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:55:57,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:55:57,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:55:57,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:55:57,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:55:57,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:55:57,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:55:57,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:55:57,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:55:57,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:55:57,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:55:57,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:55:57,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:55:57,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:55:57,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:55:57,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:55:57,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:55:57,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:55:57,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:55:57,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:55:57,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:55:57,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:55:57,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:55:57,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:55:57,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:55:57,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:55:57,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:55:57,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:55:57,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:55:57,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:55:57,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:55:57,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:55:57,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:55:57,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:55:57,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:55:57,304 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:55:57,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:55:57,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:55:57,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:55:57,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:55:57,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:55:57,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:55:57,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:55:57,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:55:57,312 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:55:57,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:55:57,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:55:57,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:55:57,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:55:57,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:55:57,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:55:57,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:55:57,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:55:57,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:55:57,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:55:57,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:55:57,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:55:57,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:55:57,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:55:57,321 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 -> f1ef51d91bde6f8632beb9024a900da7fe738d94 [2019-11-27 15:55:57,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:55:57,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:55:57,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:55:57,913 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:55:57,917 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:55:57,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label56.c [2019-11-27 15:55:58,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3f53a0d5/040f518a5b064ac889122d0056ca287b/FLAG0cd37c33e [2019-11-27 15:55:59,796 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:55:59,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label56.c [2019-11-27 15:55:59,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3f53a0d5/040f518a5b064ac889122d0056ca287b/FLAG0cd37c33e [2019-11-27 15:56:00,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3f53a0d5/040f518a5b064ac889122d0056ca287b [2019-11-27 15:56:00,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:56:00,265 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:56:00,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:00,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:56:00,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:56:00,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:00" (1/1) ... [2019-11-27 15:56:00,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:00, skipping insertion in model container [2019-11-27 15:56:00,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:00" (1/1) ... [2019-11-27 15:56:00,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:56:00,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:56:03,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:03,486 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:56:04,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:04,922 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:56:04,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04 WrapperNode [2019-11-27 15:56:04,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:04,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:04,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:56:04,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:56:04,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04" (1/1) ... [2019-11-27 15:56:05,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04" (1/1) ... [2019-11-27 15:56:05,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:05,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:56:05,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:56:05,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:56:05,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04" (1/1) ... [2019-11-27 15:56:05,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04" (1/1) ... [2019-11-27 15:56:05,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04" (1/1) ... [2019-11-27 15:56:05,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04" (1/1) ... [2019-11-27 15:56:06,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04" (1/1) ... [2019-11-27 15:56:06,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04" (1/1) ... [2019-11-27 15:56:06,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:04" (1/1) ... [2019-11-27 15:56:06,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:56:06,813 INFO L168 Benchmark]: Toolchain (without parser) took 6542.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 723.3 MB in the end (delta: 232.6 MB). Peak memory consumption was 232.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:06,814 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:56:06,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4655.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 841.1 MB in the end (delta: 114.9 MB). Peak memory consumption was 115.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:06,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 858.93 ms. Allocated memory is still 1.0 GB. Free memory was 841.1 MB in the beginning and 766.6 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:06,825 INFO L168 Benchmark]: Boogie Preprocessor took 1018.49 ms. Allocated memory is still 1.0 GB. Free memory was 766.6 MB in the beginning and 729.1 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:06,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 4655.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 841.1 MB in the end (delta: 114.9 MB). Peak memory consumption was 115.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 858.93 ms. Allocated memory is still 1.0 GB. Free memory was 841.1 MB in the beginning and 766.6 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1018.49 ms. Allocated memory is still 1.0 GB. Free memory was 766.6 MB in the beginning and 729.1 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 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 15:56:11,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:56:11,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:56:11,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:56:11,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:56:11,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:56:11,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:56:11,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:56:11,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:56:11,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:56:11,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:56:11,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:56:11,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:56:11,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:56:11,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:56:11,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:56:11,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:56:11,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:56:11,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:56:11,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:56:11,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:56:11,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:56:11,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:56:11,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:56:11,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:56:11,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:56:11,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:56:11,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:56:11,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:56:11,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:56:11,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:56:11,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:56:11,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:56:11,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:56:11,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:56:11,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:56:11,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:56:11,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:56:11,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:56:11,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:56:11,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:56:11,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:56:11,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:56:11,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:56:11,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:56:11,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:56:11,354 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:56:11,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:56:11,355 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:56:11,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:56:11,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:56:11,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:56:11,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:56:11,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:56:11,361 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:56:11,361 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:56:11,364 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:56:11,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:56:11,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:56:11,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:56:11,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:56:11,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:56:11,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:56:11,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:56:11,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:56:11,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:56:11,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:56:11,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:56:11,373 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:56:11,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:56:11,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:56:11,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:56:11,379 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 -> f1ef51d91bde6f8632beb9024a900da7fe738d94 [2019-11-27 15:56:11,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:56:11,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:56:11,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:56:11,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:56:11,985 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:56:11,989 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label56.c [2019-11-27 15:56:12,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6dec470/f0805837c04047b3b1152b548d096b65/FLAG47f250df0 [2019-11-27 15:56:13,768 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:56:13,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label56.c [2019-11-27 15:56:13,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6dec470/f0805837c04047b3b1152b548d096b65/FLAG47f250df0 [2019-11-27 15:56:13,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6dec470/f0805837c04047b3b1152b548d096b65 [2019-11-27 15:56:13,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:56:13,907 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:56:13,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:13,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:56:13,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:56:13,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:13" (1/1) ... [2019-11-27 15:56:13,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:13, skipping insertion in model container [2019-11-27 15:56:13,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:13" (1/1) ... [2019-11-27 15:56:13,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:56:14,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:56:17,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:17,580 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:56:19,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:19,289 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:56:19,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19 WrapperNode [2019-11-27 15:56:19,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:19,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:19,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:56:19,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:56:19,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19" (1/1) ... [2019-11-27 15:56:19,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19" (1/1) ... [2019-11-27 15:56:19,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:19,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:56:19,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:56:19,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:56:19,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19" (1/1) ... [2019-11-27 15:56:19,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19" (1/1) ... [2019-11-27 15:56:19,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19" (1/1) ... [2019-11-27 15:56:19,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19" (1/1) ... [2019-11-27 15:56:20,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19" (1/1) ... [2019-11-27 15:56:20,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19" (1/1) ... [2019-11-27 15:56:20,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:19" (1/1) ... [2019-11-27 15:56:20,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:56:20,730 INFO L168 Benchmark]: Toolchain (without parser) took 6820.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 937.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 283.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:20,731 INFO L168 Benchmark]: CDTParser took 0.41 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 15:56:20,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5379.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 769.3 MB in the end (delta: 180.9 MB). Peak memory consumption was 181.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:20,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 528.04 ms. Allocated memory is still 1.0 GB. Free memory was 769.3 MB in the beginning and 734.9 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:20,741 INFO L168 Benchmark]: Boogie Preprocessor took 901.38 ms. Allocated memory is still 1.0 GB. Free memory was 734.9 MB in the beginning and 937.5 MB in the end (delta: -202.6 MB). Peak memory consumption was 68.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:20,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 5379.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 769.3 MB in the end (delta: 180.9 MB). Peak memory consumption was 181.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 528.04 ms. Allocated memory is still 1.0 GB. Free memory was 769.3 MB in the beginning and 734.9 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 901.38 ms. Allocated memory is still 1.0 GB. Free memory was 734.9 MB in the beginning and 937.5 MB in the end (delta: -202.6 MB). Peak memory consumption was 68.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...