./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label01.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/Problem18_label01.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 898326a260ef7a0c7c93877f2e52b59d33f388b2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem18_label01.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 898326a260ef7a0c7c93877f2e52b59d33f388b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:59:54,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:59:54,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:59:54,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:59:54,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:59:54,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:59:54,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:59:54,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:59:54,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:59:54,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:59:54,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:59:54,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:59:54,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:59:54,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:59:54,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:59:54,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:59:54,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:59:54,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:59:54,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:59:54,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:59:54,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:59:54,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:59:54,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:59:54,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:59:54,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:59:54,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:59:54,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:59:54,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:59:54,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:59:54,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:59:54,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:59:54,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:59:54,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:59:54,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:59:54,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:59:54,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:59:54,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:59:54,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:59:54,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:59:54,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:59:54,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:59:54,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:59:54,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:59:54,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:59:54,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:59:54,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:59:54,933 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:59:54,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:59:54,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:59:54,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:59:54,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:59:54,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:59:54,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:59:54,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:59:54,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:59:54,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:59:54,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:59:54,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:59:54,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:59:54,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:59:54,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:59:54,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:59:54,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:59:54,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:59:54,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:59:54,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:59:54,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:59:54,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:59:54,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:59:54,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:59:54,947 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 -> 898326a260ef7a0c7c93877f2e52b59d33f388b2 [2019-11-27 15:59:55,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:59:55,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:59:55,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:59:55,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:59:55,531 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:59:55,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label01.c [2019-11-27 15:59:55,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fadd661c/ff09d627b91843008a7ca8f50f6fddc9/FLAG640eceedc [2019-11-27 15:59:57,224 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:59:57,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label01.c [2019-11-27 15:59:57,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fadd661c/ff09d627b91843008a7ca8f50f6fddc9/FLAG640eceedc [2019-11-27 15:59:57,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fadd661c/ff09d627b91843008a7ca8f50f6fddc9 [2019-11-27 15:59:57,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:59:57,340 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:59:57,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:57,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:59:57,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:59:57,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:57" (1/1) ... [2019-11-27 15:59:57,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:57, skipping insertion in model container [2019-11-27 15:59:57,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:57" (1/1) ... [2019-11-27 15:59:57,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:59:57,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:59:59,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:59,964 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:00:00,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:01,059 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:00:01,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01 WrapperNode [2019-11-27 16:00:01,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:01,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:01,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:00:01,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:00:01,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:01,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:00:01,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:00:01,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:00:01,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:02,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:02,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:02,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:00:02,289 INFO L168 Benchmark]: Toolchain (without parser) took 4942.03 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 804.8 MB in the end (delta: 145.4 MB). Peak memory consumption was 145.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:02,292 INFO L168 Benchmark]: CDTParser took 1.18 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 16:00:02,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3722.83 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 873.5 MB in the end (delta: 76.7 MB). Peak memory consumption was 76.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:02,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 598.97 ms. Allocated memory is still 1.0 GB. Free memory was 873.5 MB in the beginning and 827.7 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:02,300 INFO L168 Benchmark]: Boogie Preprocessor took 612.53 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:02,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 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 3722.83 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 873.5 MB in the end (delta: 76.7 MB). Peak memory consumption was 76.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 598.97 ms. Allocated memory is still 1.0 GB. Free memory was 873.5 MB in the beginning and 827.7 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 612.53 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 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 16:00:06,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:00:06,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:00:06,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:00:06,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:00:06,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:00:06,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:00:06,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:00:06,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:00:06,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:00:06,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:00:06,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:00:06,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:00:06,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:00:06,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:00:06,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:00:06,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:00:06,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:00:06,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:00:06,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:00:06,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:00:06,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:00:06,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:00:06,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:00:06,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:00:06,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:00:06,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:00:06,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:00:06,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:00:06,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:00:06,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:00:06,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:00:06,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:00:06,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:00:06,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:00:06,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:00:06,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:00:06,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:00:06,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:00:06,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:00:06,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:00:06,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:00:06,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:00:06,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:00:06,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:00:06,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:00:06,432 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:00:06,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:00:06,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:00:06,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:00:06,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:00:06,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:00:06,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:00:06,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:00:06,436 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:00:06,439 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:00:06,440 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:00:06,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:00:06,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:00:06,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:00:06,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:00:06,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:00:06,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:00:06,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:00:06,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:00:06,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:00:06,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:00:06,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:00:06,444 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:00:06,445 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:00:06,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:00:06,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:00:06,450 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 -> 898326a260ef7a0c7c93877f2e52b59d33f388b2 [2019-11-27 16:00:06,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:00:07,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:00:07,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:00:07,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:00:07,043 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:00:07,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label01.c [2019-11-27 16:00:07,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e31c3ba/5eb6ff89246a4b11b66f6da2353941fb/FLAGbe9b6d27c [2019-11-27 16:00:08,873 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:00:08,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label01.c [2019-11-27 16:00:08,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e31c3ba/5eb6ff89246a4b11b66f6da2353941fb/FLAGbe9b6d27c [2019-11-27 16:00:08,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e31c3ba/5eb6ff89246a4b11b66f6da2353941fb [2019-11-27 16:00:08,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:00:09,003 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:00:09,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:09,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:00:09,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:00:09,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:08" (1/1) ... [2019-11-27 16:00:09,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:09, skipping insertion in model container [2019-11-27 16:00:09,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:08" (1/1) ... [2019-11-27 16:00:09,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:00:09,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:00:11,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:11,915 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:00:13,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:13,276 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:00:13,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13 WrapperNode [2019-11-27 16:00:13,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:13,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:13,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:00:13,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:00:13,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13" (1/1) ... [2019-11-27 16:00:13,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13" (1/1) ... [2019-11-27 16:00:13,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:13,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:00:13,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:00:13,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:00:13,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13" (1/1) ... [2019-11-27 16:00:13,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13" (1/1) ... [2019-11-27 16:00:13,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13" (1/1) ... [2019-11-27 16:00:13,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13" (1/1) ... [2019-11-27 16:00:13,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13" (1/1) ... [2019-11-27 16:00:14,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13" (1/1) ... [2019-11-27 16:00:14,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:13" (1/1) ... [2019-11-27 16:00:14,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:00:14,165 INFO L168 Benchmark]: Toolchain (without parser) took 5157.63 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 799.1 MB in the end (delta: 151.1 MB). Peak memory consumption was 151.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:14,168 INFO L168 Benchmark]: CDTParser took 1.93 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 16:00:14,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4273.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:14,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 411.29 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:14,177 INFO L168 Benchmark]: Boogie Preprocessor took 462.63 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:14,187 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.93 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 4273.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 411.29 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 462.63 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...