./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label06.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/Problem03_label06.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 efd71a57cd4457ad6c114bfe7c857bcc7788c3aa ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem03_label06.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 efd71a57cd4457ad6c114bfe7c857bcc7788c3aa ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:43:27,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:27,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:27,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:27,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:27,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:27,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:27,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:27,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:27,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:27,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:27,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:27,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:27,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:27,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:27,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:27,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:27,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:27,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:27,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:27,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:27,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:27,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:27,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:27,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:27,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:27,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:27,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:27,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:27,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:27,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:27,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:27,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:27,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:27,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:27,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:27,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:27,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:27,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:27,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:27,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:27,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:43:27,745 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:27,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:27,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:27,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:27,758 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:27,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:27,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:27,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:43:27,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:27,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:27,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:27,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:27,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:27,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:27,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:27,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:27,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:27,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:27,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:27,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:27,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:27,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:27,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:27,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:27,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:27,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:43:27,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:43:27,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:27,778 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 -> efd71a57cd4457ad6c114bfe7c857bcc7788c3aa [2019-11-27 15:43:28,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:28,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:28,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:28,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:28,387 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:28,389 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2019-11-27 15:43:28,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f631a5ab/cdfe25090c2145e9836c1061610de909/FLAGf81a986d6 [2019-11-27 15:43:30,014 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:30,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2019-11-27 15:43:30,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f631a5ab/cdfe25090c2145e9836c1061610de909/FLAGf81a986d6 [2019-11-27 15:43:30,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f631a5ab/cdfe25090c2145e9836c1061610de909 [2019-11-27 15:43:30,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:30,118 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:30,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:30,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:30,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:30,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cbbb69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:30, skipping insertion in model container [2019-11-27 15:43:30,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:30" (1/1) ... [2019-11-27 15:43:30,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:30,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:31,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:32,005 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:32,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:32,704 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:32,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32 WrapperNode [2019-11-27 15:43:32,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:32,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:32,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:32,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:32,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32" (1/1) ... [2019-11-27 15:43:32,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32" (1/1) ... [2019-11-27 15:43:33,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:33,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:33,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:33,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:33,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32" (1/1) ... [2019-11-27 15:43:33,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32" (1/1) ... [2019-11-27 15:43:33,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32" (1/1) ... [2019-11-27 15:43:33,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32" (1/1) ... [2019-11-27 15:43:33,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32" (1/1) ... [2019-11-27 15:43:33,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32" (1/1) ... [2019-11-27 15:43:33,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:32" (1/1) ... [2019-11-27 15:43:33,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:33,289 INFO L168 Benchmark]: Toolchain (without parser) took 3166.08 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 903.7 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:33,292 INFO L168 Benchmark]: CDTParser took 0.38 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 15:43:33,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2582.47 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 926.7 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:33,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 303.53 ms. Allocated memory is still 1.0 GB. Free memory was 926.7 MB in the beginning and 915.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:33,301 INFO L168 Benchmark]: Boogie Preprocessor took 267.46 ms. Allocated memory is still 1.0 GB. Free memory was 915.2 MB in the beginning and 903.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:33,314 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2582.47 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 926.7 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 303.53 ms. Allocated memory is still 1.0 GB. Free memory was 926.7 MB in the beginning and 915.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 267.46 ms. Allocated memory is still 1.0 GB. Free memory was 915.2 MB in the beginning and 903.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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 15:43:37,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:37,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:37,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:37,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:37,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:37,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:37,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:37,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:37,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:37,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:37,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:37,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:37,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:37,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:37,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:37,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:37,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:37,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:37,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:37,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:37,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:37,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:37,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:37,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:37,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:37,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:37,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:37,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:37,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:37,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:37,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:37,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:37,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:37,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:37,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:37,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:37,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:37,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:37,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:37,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:37,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:37,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:37,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:37,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:37,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:37,452 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:37,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:37,453 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:37,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:37,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:37,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:37,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:37,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:37,458 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:37,458 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:37,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:37,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:37,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:37,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:37,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:37,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:37,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:37,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:37,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:37,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:37,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:37,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:37,467 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:37,467 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:37,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:37,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:37,470 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 -> efd71a57cd4457ad6c114bfe7c857bcc7788c3aa [2019-11-27 15:43:38,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:38,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:38,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:38,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:38,155 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:38,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2019-11-27 15:43:38,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bddbebd1c/0f56ead9c68e48fa8d4f1b05d1559be8/FLAGd92ce9c23 [2019-11-27 15:43:39,763 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:39,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2019-11-27 15:43:39,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bddbebd1c/0f56ead9c68e48fa8d4f1b05d1559be8/FLAGd92ce9c23 [2019-11-27 15:43:39,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bddbebd1c/0f56ead9c68e48fa8d4f1b05d1559be8 [2019-11-27 15:43:39,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:39,890 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:39,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:39,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:39,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:39,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:39" (1/1) ... [2019-11-27 15:43:39,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:39, skipping insertion in model container [2019-11-27 15:43:39,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:39" (1/1) ... [2019-11-27 15:43:39,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:40,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:41,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:41,740 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:42,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:42,442 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:42,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42 WrapperNode [2019-11-27 15:43:42,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:42,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:42,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:42,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:42,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42" (1/1) ... [2019-11-27 15:43:42,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42" (1/1) ... [2019-11-27 15:43:42,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:42,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:42,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:42,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:42,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42" (1/1) ... [2019-11-27 15:43:42,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42" (1/1) ... [2019-11-27 15:43:42,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42" (1/1) ... [2019-11-27 15:43:42,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42" (1/1) ... [2019-11-27 15:43:42,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42" (1/1) ... [2019-11-27 15:43:42,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42" (1/1) ... [2019-11-27 15:43:43,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:42" (1/1) ... [2019-11-27 15:43:43,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:43,036 INFO L168 Benchmark]: Toolchain (without parser) took 3142.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 898.2 MB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:43,037 INFO L168 Benchmark]: CDTParser took 1.92 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 15:43:43,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2555.82 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 921.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:43,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 310.57 ms. Allocated memory is still 1.0 GB. Free memory was 921.1 MB in the beginning and 909.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:43,046 INFO L168 Benchmark]: Boogie Preprocessor took 265.67 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 898.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:43,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.92 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 2555.82 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 921.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 310.57 ms. Allocated memory is still 1.0 GB. Free memory was 921.1 MB in the beginning and 909.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 265.67 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 898.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...