./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_label24.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 41738c9b2c538e308a7589fd05a3157cf3169076 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label24.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 41738c9b2c538e308a7589fd05a3157cf3169076 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:50:20,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:20,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:20,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:20,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:20,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:20,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:20,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:20,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:20,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:20,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:20,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:20,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:20,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:20,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:20,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:20,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:20,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:20,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:20,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:20,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:20,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:20,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:20,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:20,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:20,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:20,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:20,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:20,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:20,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:20,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:20,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:20,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:20,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:20,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:20,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:20,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:20,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:20,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:20,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:20,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:20,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:50:20,544 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:20,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:20,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:20,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:20,565 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:20,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:20,566 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:20,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:50:20,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:20,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:20,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:20,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:20,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:20,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:20,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:20,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:20,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:20,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:20,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:20,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:20,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:20,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:20,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:20,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:20,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:20,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:50:20,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:50:20,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:20,579 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 -> 41738c9b2c538e308a7589fd05a3157cf3169076 [2019-11-26 16:50:21,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:21,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:21,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:21,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:21,174 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:21,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label24.c [2019-11-26 16:50:21,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e338379e/02e1f0ebf1174346965c154ea42a8ad7/FLAG9ae51a4d4 [2019-11-26 16:50:22,841 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:22,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label24.c [2019-11-26 16:50:22,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e338379e/02e1f0ebf1174346965c154ea42a8ad7/FLAG9ae51a4d4 [2019-11-26 16:50:23,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e338379e/02e1f0ebf1174346965c154ea42a8ad7 [2019-11-26 16:50:23,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:23,018 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:23,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:23,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:23,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:23,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:23" (1/1) ... [2019-11-26 16:50:23,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:23, skipping insertion in model container [2019-11-26 16:50:23,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:23" (1/1) ... [2019-11-26 16:50:23,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:23,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:25,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:25,412 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:26,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:26,334 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:26,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26 WrapperNode [2019-11-26 16:50:26,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:26,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:26,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:26,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:26,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26" (1/1) ... [2019-11-26 16:50:26,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26" (1/1) ... [2019-11-26 16:50:27,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:27,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:27,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:27,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:27,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26" (1/1) ... [2019-11-26 16:50:27,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26" (1/1) ... [2019-11-26 16:50:27,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26" (1/1) ... [2019-11-26 16:50:27,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26" (1/1) ... [2019-11-26 16:50:27,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26" (1/1) ... [2019-11-26 16:50:27,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26" (1/1) ... [2019-11-26 16:50:27,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:26" (1/1) ... [2019-11-26 16:50:27,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:27,759 INFO L168 Benchmark]: Toolchain (without parser) took 4734.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 790.7 MB in the end (delta: 170.9 MB). Peak memory consumption was 171.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:27,760 INFO L168 Benchmark]: CDTParser took 2.80 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. [2019-11-26 16:50:27,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3313.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 888.3 MB in the end (delta: 67.5 MB). Peak memory consumption was 67.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:27,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 724.09 ms. Allocated memory is still 1.0 GB. Free memory was 888.3 MB in the beginning and 831.0 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:27,773 INFO L168 Benchmark]: Boogie Preprocessor took 685.09 ms. Allocated memory is still 1.0 GB. Free memory was 831.0 MB in the beginning and 790.7 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:27,784 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.80 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 3313.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 888.3 MB in the end (delta: 67.5 MB). Peak memory consumption was 67.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 724.09 ms. Allocated memory is still 1.0 GB. Free memory was 888.3 MB in the beginning and 831.0 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 685.09 ms. Allocated memory is still 1.0 GB. Free memory was 831.0 MB in the beginning and 790.7 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 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 0.1.24-025d5a2 [2019-11-26 16:50:31,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:31,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:31,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:31,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:31,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:31,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:31,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:31,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:31,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:31,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:31,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:31,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:31,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:31,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:31,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:31,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:31,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:31,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:31,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:31,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:31,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:31,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:31,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:31,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:31,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:31,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:31,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:31,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:31,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:31,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:31,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:31,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:31,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:31,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:31,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:31,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:31,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:31,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:31,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:31,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:31,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:50:31,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:31,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:31,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:31,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:31,883 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:31,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:31,884 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:31,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:31,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:31,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:31,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:31,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:31,889 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:50:31,889 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:50:31,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:31,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:31,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:31,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:31,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:31,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:31,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:31,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:31,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:31,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:31,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:31,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:31,898 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:50:31,899 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:50:31,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:31,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:50:31,901 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 -> 41738c9b2c538e308a7589fd05a3157cf3169076 [2019-11-26 16:50:32,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:32,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:32,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:32,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:32,510 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:32,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label24.c [2019-11-26 16:50:32,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3116c0c76/fd1b12d8c2b3468b8c183b980835a8d6/FLAG213e515be [2019-11-26 16:50:34,144 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:34,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label24.c [2019-11-26 16:50:34,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3116c0c76/fd1b12d8c2b3468b8c183b980835a8d6/FLAG213e515be [2019-11-26 16:50:34,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3116c0c76/fd1b12d8c2b3468b8c183b980835a8d6 [2019-11-26 16:50:34,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:34,253 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:34,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:34,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:34,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:34,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:34" (1/1) ... [2019-11-26 16:50:34,279 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 26.11 04:50:34, skipping insertion in model container [2019-11-26 16:50:34,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:34" (1/1) ... [2019-11-26 16:50:34,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:34,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:36,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:36,992 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:38,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:38,225 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:38,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38 WrapperNode [2019-11-26 16:50:38,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:38,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:38,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:38,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:38,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38" (1/1) ... [2019-11-26 16:50:38,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38" (1/1) ... [2019-11-26 16:50:38,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:38,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:38,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:38,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:38,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38" (1/1) ... [2019-11-26 16:50:38,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38" (1/1) ... [2019-11-26 16:50:38,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38" (1/1) ... [2019-11-26 16:50:38,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38" (1/1) ... [2019-11-26 16:50:38,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38" (1/1) ... [2019-11-26 16:50:38,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38" (1/1) ... [2019-11-26 16:50:38,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:38" (1/1) ... [2019-11-26 16:50:39,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:39,063 INFO L168 Benchmark]: Toolchain (without parser) took 4803.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 782.1 MB in the end (delta: 179.6 MB). Peak memory consumption was 179.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:39,064 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-26 16:50:39,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3971.98 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 822.2 MB in the end (delta: 133.8 MB). Peak memory consumption was 133.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:39,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 385.80 ms. Allocated memory is still 1.0 GB. Free memory was 822.2 MB in the beginning and 805.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:39,074 INFO L168 Benchmark]: Boogie Preprocessor took 437.46 ms. Allocated memory is still 1.0 GB. Free memory was 805.0 MB in the beginning and 782.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:39,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 3971.98 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 822.2 MB in the end (delta: 133.8 MB). Peak memory consumption was 133.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 385.80 ms. Allocated memory is still 1.0 GB. Free memory was 822.2 MB in the beginning and 805.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 437.46 ms. Allocated memory is still 1.0 GB. Free memory was 805.0 MB in the beginning and 782.1 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...