./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label52.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_label52.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 cfc6adab30b64358b1284e86fcd605e71d581090 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label52.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 cfc6adab30b64358b1284e86fcd605e71d581090 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:55:54,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:55:54,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:55:54,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:55:54,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:55:54,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:55:54,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:55:54,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:55:54,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:55:54,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:55:54,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:55:54,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:55:54,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:55:54,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:55:54,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:55:54,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:55:54,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:55:54,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:55:54,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:55:54,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:55:54,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:55:54,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:55:54,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:55:54,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:55:54,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:55:54,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:55:54,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:55:54,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:55:54,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:55:54,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:55:54,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:55:54,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:55:54,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:55:54,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:55:54,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:55:54,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:55:54,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:55:54,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:55:54,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:55:54,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:55:54,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:55:54,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:55:54,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:55:54,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:55:54,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:55:54,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:55:54,816 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:55:54,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:55:54,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:55:54,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:55:54,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:55:54,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:55:54,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:55:54,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:55:54,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:55:54,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:55:54,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:55:54,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:55:54,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:55:54,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:55:54,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:55:54,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:55:54,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:55:54,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:55:54,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:55:54,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:55:54,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:55:54,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:55:54,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:55:54,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:55:54,832 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 -> cfc6adab30b64358b1284e86fcd605e71d581090 [2019-11-27 15:55:55,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:55:55,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:55:55,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:55:55,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:55:55,420 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:55:55,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label52.c [2019-11-27 15:55:55,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e0557b32/21a9ddb69431425ab7c3ab1e423184e9/FLAG6c7c2c9a5 [2019-11-27 15:55:57,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:55:57,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label52.c [2019-11-27 15:55:57,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e0557b32/21a9ddb69431425ab7c3ab1e423184e9/FLAG6c7c2c9a5 [2019-11-27 15:55:57,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e0557b32/21a9ddb69431425ab7c3ab1e423184e9 [2019-11-27 15:55:57,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:55:57,317 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:55:57,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:55:57,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:55:57,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:55:57,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:55:57" (1/1) ... [2019-11-27 15:55:57,342 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 03:55:57, skipping insertion in model container [2019-11-27 15:55:57,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:55:57" (1/1) ... [2019-11-27 15:55:57,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:55:57,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:56:01,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:01,433 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:56:03,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:03,123 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:56:03,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03 WrapperNode [2019-11-27 15:56:03,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:03,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:03,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:56:03,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:56:03,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03" (1/1) ... [2019-11-27 15:56:03,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03" (1/1) ... [2019-11-27 15:56:03,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:03,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:56:03,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:56:03,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:56:03,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03" (1/1) ... [2019-11-27 15:56:03,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03" (1/1) ... [2019-11-27 15:56:04,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03" (1/1) ... [2019-11-27 15:56:04,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03" (1/1) ... [2019-11-27 15:56:04,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03" (1/1) ... [2019-11-27 15:56:04,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03" (1/1) ... [2019-11-27 15:56:05,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:03" (1/1) ... [2019-11-27 15:56:05,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:56:05,347 INFO L168 Benchmark]: Toolchain (without parser) took 8027.45 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 911.9 MB in the end (delta: 38.3 MB). Peak memory consumption was 313.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:05,348 INFO L168 Benchmark]: CDTParser took 1.40 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 15:56:05,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5809.28 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 820.8 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:05,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 806.84 ms. Allocated memory is still 1.0 GB. Free memory was 820.8 MB in the beginning and 746.4 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:05,358 INFO L168 Benchmark]: Boogie Preprocessor took 1396.72 ms. Allocated memory is still 1.0 GB. Free memory was 746.4 MB in the beginning and 911.9 MB in the end (delta: -165.6 MB). Peak memory consumption was 109.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:05,371 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40 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 5809.28 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 820.8 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 806.84 ms. Allocated memory is still 1.0 GB. Free memory was 820.8 MB in the beginning and 746.4 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1396.72 ms. Allocated memory is still 1.0 GB. Free memory was 746.4 MB in the beginning and 911.9 MB in the end (delta: -165.6 MB). Peak memory consumption was 109.8 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 15:56:09,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:56:09,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:56:09,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:56:09,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:56:09,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:56:09,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:56:09,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:56:09,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:56:09,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:56:09,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:56:09,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:56:09,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:56:09,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:56:09,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:56:09,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:56:09,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:56:09,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:56:09,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:56:09,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:56:09,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:56:09,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:56:09,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:56:09,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:56:09,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:56:09,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:56:09,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:56:09,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:56:09,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:56:09,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:56:09,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:56:09,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:56:09,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:56:09,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:56:09,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:56:09,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:56:09,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:56:09,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:56:09,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:56:09,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:56:09,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:56:09,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:56:09,626 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:56:09,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:56:09,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:56:09,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:56:09,633 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:56:09,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:56:09,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:56:09,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:56:09,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:56:09,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:56:09,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:56:09,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:56:09,639 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:56:09,640 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:56:09,640 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:56:09,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:56:09,642 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:56:09,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:56:09,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:56:09,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:56:09,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:56:09,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:56:09,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:56:09,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:56:09,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:56:09,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:56:09,647 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:56:09,649 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:56:09,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:56:09,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:56:09,651 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 -> cfc6adab30b64358b1284e86fcd605e71d581090 [2019-11-27 15:56:10,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:56:10,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:56:10,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:56:10,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:56:10,286 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:56:10,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label52.c [2019-11-27 15:56:10,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfe51dfeb/b4bc59668ded4716a4a71c7d892d9fa8/FLAGb8c91b51b [2019-11-27 15:56:12,190 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:56:12,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label52.c [2019-11-27 15:56:12,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfe51dfeb/b4bc59668ded4716a4a71c7d892d9fa8/FLAGb8c91b51b [2019-11-27 15:56:12,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfe51dfeb/b4bc59668ded4716a4a71c7d892d9fa8 [2019-11-27 15:56:12,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:56:12,327 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:56:12,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:12,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:56:12,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:56:12,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:12" (1/1) ... [2019-11-27 15:56:12,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:12, skipping insertion in model container [2019-11-27 15:56:12,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:12" (1/1) ... [2019-11-27 15:56:12,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:56:12,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:56:15,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:15,834 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:56:17,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:17,568 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:56:17,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17 WrapperNode [2019-11-27 15:56:17,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:17,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:17,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:56:17,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:56:17,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17" (1/1) ... [2019-11-27 15:56:17,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17" (1/1) ... [2019-11-27 15:56:18,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:18,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:56:18,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:56:18,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:56:18,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17" (1/1) ... [2019-11-27 15:56:18,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17" (1/1) ... [2019-11-27 15:56:18,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17" (1/1) ... [2019-11-27 15:56:18,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17" (1/1) ... [2019-11-27 15:56:18,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17" (1/1) ... [2019-11-27 15:56:18,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17" (1/1) ... [2019-11-27 15:56:18,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:17" (1/1) ... [2019-11-27 15:56:19,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:56:19,010 INFO L168 Benchmark]: Toolchain (without parser) took 6681.73 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 942.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 292.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:19,011 INFO L168 Benchmark]: CDTParser took 0.46 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 15:56:19,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5240.36 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 775.0 MB in the end (delta: 181.0 MB). Peak memory consumption was 181.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:19,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 576.00 ms. Allocated memory is still 1.0 GB. Free memory was 775.0 MB in the beginning and 740.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:19,021 INFO L168 Benchmark]: Boogie Preprocessor took 854.28 ms. Allocated memory is still 1.0 GB. Free memory was 740.6 MB in the beginning and 942.8 MB in the end (delta: -202.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:19,031 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 5240.36 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 775.0 MB in the end (delta: 181.0 MB). Peak memory consumption was 181.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 576.00 ms. Allocated memory is still 1.0 GB. Free memory was 775.0 MB in the beginning and 740.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 854.28 ms. Allocated memory is still 1.0 GB. Free memory was 740.6 MB in the beginning and 942.8 MB in the end (delta: -202.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...