./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/Problem17_label57.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 ccc5e77b86b8594f5b354dc6e84e97d0e3356dd1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem17_label57.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 ccc5e77b86b8594f5b354dc6e84e97d0e3356dd1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:37:59,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:37:59,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:37:59,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:37:59,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:00,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:00,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:00,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:00,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:00,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:00,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:00,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:00,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:00,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:00,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:00,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:00,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:00,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:00,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:00,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:00,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:00,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:00,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:00,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:00,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:00,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:00,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:00,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:00,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:00,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:00,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:00,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:00,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:00,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:00,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:00,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:00,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:00,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:00,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:00,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:00,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:00,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:38:00,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:00,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:00,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:00,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:00,231 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:00,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:00,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:00,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:38:00,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:00,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:00,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:00,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:00,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:00,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:00,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:00,242 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:00,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:00,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:00,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:00,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:00,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:00,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:00,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:00,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:00,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:00,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:38:00,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:38:00,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:00,251 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 -> ccc5e77b86b8594f5b354dc6e84e97d0e3356dd1 [2019-11-27 09:38:00,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:00,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:00,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:00,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:00,953 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:00,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label57.c [2019-11-27 09:38:01,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bdc1671e/160b53b0982044679077e469a08fe917/FLAG48ac09d10 [2019-11-27 09:38:02,791 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:02,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label57.c [2019-11-27 09:38:02,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bdc1671e/160b53b0982044679077e469a08fe917/FLAG48ac09d10 [2019-11-27 09:38:02,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bdc1671e/160b53b0982044679077e469a08fe917 [2019-11-27 09:38:02,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:02,900 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:02,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:02,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:02,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:02,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:02,926 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 09:38:02, skipping insertion in model container [2019-11-27 09:38:02,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:02" (1/1) ... [2019-11-27 09:38:02,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:03,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:05,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:05,342 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:06,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:06,328 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:06,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06 WrapperNode [2019-11-27 09:38:06,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:06,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:06,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:06,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:06,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06" (1/1) ... [2019-11-27 09:38:06,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06" (1/1) ... [2019-11-27 09:38:07,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:07,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:07,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:07,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:07,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06" (1/1) ... [2019-11-27 09:38:07,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06" (1/1) ... [2019-11-27 09:38:07,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06" (1/1) ... [2019-11-27 09:38:07,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06" (1/1) ... [2019-11-27 09:38:07,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06" (1/1) ... [2019-11-27 09:38:07,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06" (1/1) ... [2019-11-27 09:38:07,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:06" (1/1) ... [2019-11-27 09:38:07,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:07,729 INFO L168 Benchmark]: Toolchain (without parser) took 4821.69 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 776.0 MB in the end (delta: 180.0 MB). Peak memory consumption was 180.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:07,730 INFO L168 Benchmark]: CDTParser took 0.45 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 09:38:07,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3430.29 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 873.9 MB in the end (delta: 76.3 MB). Peak memory consumption was 76.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:07,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 681.65 ms. Allocated memory is still 1.0 GB. Free memory was 873.9 MB in the beginning and 810.4 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:07,742 INFO L168 Benchmark]: Boogie Preprocessor took 702.31 ms. Allocated memory is still 1.0 GB. Free memory was 810.4 MB in the beginning and 776.0 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:07,753 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 3430.29 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 873.9 MB in the end (delta: 76.3 MB). Peak memory consumption was 76.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 681.65 ms. Allocated memory is still 1.0 GB. Free memory was 873.9 MB in the beginning and 810.4 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 702.31 ms. Allocated memory is still 1.0 GB. Free memory was 810.4 MB in the beginning and 776.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:38:11,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:11,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:11,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:11,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:11,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:11,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:11,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:11,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:11,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:11,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:11,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:11,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:11,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:11,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:11,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:11,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:11,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:11,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:11,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:11,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:11,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:11,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:11,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:11,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:11,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:11,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:11,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:11,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:11,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:11,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:11,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:11,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:11,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:11,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:11,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:11,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:11,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:11,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:11,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:11,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:11,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:38:11,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:11,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:11,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:11,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:11,951 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:11,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:11,954 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:11,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:11,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:11,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:11,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:11,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:11,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:38:11,960 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:38:11,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:11,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:11,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:11,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:11,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:11,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:11,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:11,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:11,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:11,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:11,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:11,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:11,970 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:38:11,970 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:38:11,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:11,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:38:11,972 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 -> ccc5e77b86b8594f5b354dc6e84e97d0e3356dd1 [2019-11-27 09:38:12,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:12,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:12,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:12,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:12,628 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:12,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label57.c [2019-11-27 09:38:12,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70cfab2b/0dfb50815155425ebd8a773f1ad3a5fe/FLAGecc56bdfb [2019-11-27 09:38:14,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:14,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label57.c [2019-11-27 09:38:14,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70cfab2b/0dfb50815155425ebd8a773f1ad3a5fe/FLAGecc56bdfb [2019-11-27 09:38:14,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70cfab2b/0dfb50815155425ebd8a773f1ad3a5fe [2019-11-27 09:38:14,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:14,572 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:14,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:14,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:14,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:14,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:14,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:14, skipping insertion in model container [2019-11-27 09:38:14,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:14" (1/1) ... [2019-11-27 09:38:14,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:14,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:17,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:17,302 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:18,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:18,463 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:18,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18 WrapperNode [2019-11-27 09:38:18,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:18,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:18,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:18,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:18,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18" (1/1) ... [2019-11-27 09:38:18,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18" (1/1) ... [2019-11-27 09:38:18,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:18,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:18,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:18,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:18,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18" (1/1) ... [2019-11-27 09:38:18,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18" (1/1) ... [2019-11-27 09:38:18,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18" (1/1) ... [2019-11-27 09:38:18,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18" (1/1) ... [2019-11-27 09:38:19,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18" (1/1) ... [2019-11-27 09:38:19,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18" (1/1) ... [2019-11-27 09:38:19,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:18" (1/1) ... [2019-11-27 09:38:19,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:19,328 INFO L168 Benchmark]: Toolchain (without parser) took 4750.93 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 787.7 MB in the end (delta: 174.0 MB). Peak memory consumption was 174.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:19,329 INFO L168 Benchmark]: CDTParser took 0.43 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 09:38:19,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3892.71 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 833.7 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:19,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 430.12 ms. Allocated memory is still 1.0 GB. Free memory was 833.7 MB in the beginning and 810.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:19,338 INFO L168 Benchmark]: Boogie Preprocessor took 420.73 ms. Allocated memory is still 1.0 GB. Free memory was 810.8 MB in the beginning and 787.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:19,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 3892.71 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 833.7 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 430.12 ms. Allocated memory is still 1.0 GB. Free memory was 833.7 MB in the beginning and 810.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 420.73 ms. Allocated memory is still 1.0 GB. Free memory was 810.8 MB in the beginning and 787.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...