./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label26.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_label26.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 831e9479ad7b84067b52c34f54c1fb4f47e2a6eb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label26.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 831e9479ad7b84067b52c34f54c1fb4f47e2a6eb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:50:21,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:21,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:21,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:21,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:21,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:21,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:21,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:21,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:21,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:21,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:21,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:21,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:21,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:21,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:21,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:21,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:21,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:21,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:21,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:21,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:21,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:21,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:21,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:21,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:21,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:21,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:21,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:21,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:21,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:21,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:21,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:21,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:21,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:21,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:21,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:21,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:21,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:21,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:21,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:21,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:21,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:50:21,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:21,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:21,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:21,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:21,415 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:21,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:21,416 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:21,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:50:21,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:21,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:21,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:21,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:21,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:21,421 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:21,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:21,423 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:21,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:21,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:21,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:21,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:21,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:21,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:21,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:21,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:21,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:21,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:50:21,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:50:21,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:21,431 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 -> 831e9479ad7b84067b52c34f54c1fb4f47e2a6eb [2019-11-26 16:50:22,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:22,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:22,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:22,054 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:22,057 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:22,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2019-11-26 16:50:22,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489c2a4c6/c295265cc1514f2ba06747857342f6a2/FLAG2b082daaf [2019-11-26 16:50:24,010 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:24,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2019-11-26 16:50:24,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489c2a4c6/c295265cc1514f2ba06747857342f6a2/FLAG2b082daaf [2019-11-26 16:50:24,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489c2a4c6/c295265cc1514f2ba06747857342f6a2 [2019-11-26 16:50:24,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:24,136 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:24,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:24,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:24,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:24,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:24" (1/1) ... [2019-11-26 16:50:24,160 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 04:50:24, skipping insertion in model container [2019-11-26 16:50:24,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:24" (1/1) ... [2019-11-26 16:50:24,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:24,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:26,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:26,850 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:28,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:28,299 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:28,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28 WrapperNode [2019-11-26 16:50:28,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:28,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:28,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:28,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:28,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:28,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:29,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:29,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:29,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:29,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:29,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:29,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:29,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:29,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:29,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:29,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:29,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:29,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:29,695 INFO L168 Benchmark]: Toolchain (without parser) took 5551.17 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 780.1 MB in the end (delta: 181.6 MB). Peak memory consumption was 181.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:29,696 INFO L168 Benchmark]: CDTParser took 3.12 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 16:50:29,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4162.55 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 878.1 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:29,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 740.41 ms. Allocated memory is still 1.0 GB. Free memory was 878.1 MB in the beginning and 815.1 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:29,707 INFO L168 Benchmark]: Boogie Preprocessor took 640.38 ms. Allocated memory is still 1.0 GB. Free memory was 815.1 MB in the beginning and 780.1 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:29,718 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.12 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 4162.55 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 878.1 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 740.41 ms. Allocated memory is still 1.0 GB. Free memory was 878.1 MB in the beginning and 815.1 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 640.38 ms. Allocated memory is still 1.0 GB. Free memory was 815.1 MB in the beginning and 780.1 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 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 16:50:33,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:33,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:33,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:33,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:33,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:33,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:33,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:33,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:33,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:33,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:33,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:33,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:33,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:33,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:33,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:33,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:33,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:33,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:33,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:33,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:33,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:33,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:33,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:33,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:33,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:33,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:33,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:33,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:33,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:33,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:33,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:33,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:33,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:33,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:33,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:33,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:33,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:33,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:33,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:33,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:33,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:50:33,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:33,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:33,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:33,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:33,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:33,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:33,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:33,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:33,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:33,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:33,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:33,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:33,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:50:33,933 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:50:33,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:33,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:33,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:33,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:33,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:33,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:33,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:33,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:33,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:33,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:33,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:33,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:33,946 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:50:33,946 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:50:33,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:33,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:50:33,947 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 -> 831e9479ad7b84067b52c34f54c1fb4f47e2a6eb [2019-11-26 16:50:34,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:34,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:34,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:34,588 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:34,589 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:34,594 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2019-11-26 16:50:34,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59747785/f3d59158b8fd4026b26a8357a5447c99/FLAG65061bd89 [2019-11-26 16:50:36,406 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:36,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2019-11-26 16:50:36,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59747785/f3d59158b8fd4026b26a8357a5447c99/FLAG65061bd89 [2019-11-26 16:50:36,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59747785/f3d59158b8fd4026b26a8357a5447c99 [2019-11-26 16:50:36,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:36,531 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:36,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:36,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:36,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:36,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:36" (1/1) ... [2019-11-26 16:50:36,555 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 04:50:36, skipping insertion in model container [2019-11-26 16:50:36,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:36" (1/1) ... [2019-11-26 16:50:36,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:36,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:39,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:39,434 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:40,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:40,530 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:40,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40 WrapperNode [2019-11-26 16:50:40,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:40,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:40,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:40,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:40,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40" (1/1) ... [2019-11-26 16:50:40,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40" (1/1) ... [2019-11-26 16:50:40,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:40,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:40,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:40,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:40,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40" (1/1) ... [2019-11-26 16:50:40,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40" (1/1) ... [2019-11-26 16:50:41,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40" (1/1) ... [2019-11-26 16:50:41,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40" (1/1) ... [2019-11-26 16:50:41,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40" (1/1) ... [2019-11-26 16:50:41,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40" (1/1) ... [2019-11-26 16:50:41,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:40" (1/1) ... [2019-11-26 16:50:41,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:41,365 INFO L168 Benchmark]: Toolchain (without parser) took 4830.75 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 782.0 MB in the end (delta: 174.0 MB). Peak memory consumption was 174.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:41,367 INFO L168 Benchmark]: CDTParser took 0.64 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. [2019-11-26 16:50:41,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3997.01 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 828.1 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:41,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 432.44 ms. Allocated memory is still 1.0 GB. Free memory was 828.1 MB in the beginning and 805.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:41,378 INFO L168 Benchmark]: Boogie Preprocessor took 391.25 ms. Allocated memory is still 1.0 GB. Free memory was 805.2 MB in the beginning and 782.0 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:41,388 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 3997.01 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 828.1 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 432.44 ms. Allocated memory is still 1.0 GB. Free memory was 828.1 MB in the beginning and 805.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 391.25 ms. Allocated memory is still 1.0 GB. Free memory was 805.2 MB in the beginning and 782.0 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...