./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem12_label27.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 e2247d1792c24240bd2825854a791a4231a35bbe ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem12_label27.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 e2247d1792c24240bd2825854a791a4231a35bbe ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:33:39,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:33:39,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:33:39,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:33:39,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:33:39,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:33:39,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:33:39,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:33:39,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:33:39,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:33:39,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:33:39,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:33:39,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:33:39,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:33:39,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:33:39,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:33:39,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:33:39,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:33:39,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:33:39,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:33:39,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:33:39,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:33:39,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:33:39,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:33:39,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:33:39,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:33:39,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:33:39,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:33:39,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:33:39,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:33:39,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:33:39,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:33:39,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:33:39,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:33:39,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:33:39,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:33:39,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:33:39,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:33:39,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:33:39,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:33:39,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:33:39,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:33:39,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:33:39,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:33:39,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:33:39,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:33:39,724 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:33:39,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:33:39,724 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:33:39,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:33:39,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:33:39,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:33:39,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:33:39,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:33:39,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:33:39,738 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:33:39,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:33:39,739 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:33:39,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:33:39,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:33:39,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:33:39,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:33:39,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:33:39,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:33:39,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:33:39,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:33:39,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:33:39,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:33:39,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:33:39,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:33:39,748 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 -> e2247d1792c24240bd2825854a791a4231a35bbe [2019-11-27 09:33:40,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:33:40,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:33:40,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:33:40,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:33:40,344 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:33:40,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label27.c [2019-11-27 09:33:40,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad97a9ff/babba0b5bc8d4808a01765ace56d3bed/FLAG0e01eda08 [2019-11-27 09:33:42,160 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:33:42,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label27.c [2019-11-27 09:33:42,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad97a9ff/babba0b5bc8d4808a01765ace56d3bed/FLAG0e01eda08 [2019-11-27 09:33:42,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad97a9ff/babba0b5bc8d4808a01765ace56d3bed [2019-11-27 09:33:42,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:33:42,295 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:33:42,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:33:42,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:33:42,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:33:42,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:42,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5323c1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42, skipping insertion in model container [2019-11-27 09:33:42,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:42,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:33:42,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:33:45,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:33:45,592 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:33:47,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:33:47,117 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:33:47,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47 WrapperNode [2019-11-27 09:33:47,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:33:47,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:33:47,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:33:47,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:33:47,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47" (1/1) ... [2019-11-27 09:33:47,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47" (1/1) ... [2019-11-27 09:33:47,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:33:47,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:33:47,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:33:47,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:33:48,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47" (1/1) ... [2019-11-27 09:33:48,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47" (1/1) ... [2019-11-27 09:33:48,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47" (1/1) ... [2019-11-27 09:33:48,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47" (1/1) ... [2019-11-27 09:33:48,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47" (1/1) ... [2019-11-27 09:33:48,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47" (1/1) ... [2019-11-27 09:33:49,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:47" (1/1) ... [2019-11-27 09:33:49,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:33:49,359 INFO L168 Benchmark]: Toolchain (without parser) took 7062.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 908.1 MB in the end (delta: 42.1 MB). Peak memory consumption was 313.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:49,361 INFO L168 Benchmark]: CDTParser took 0.44 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 09:33:49,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4825.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 820.8 MB in the end (delta: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:49,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 862.14 ms. Allocated memory is still 1.0 GB. Free memory was 820.8 MB in the beginning and 751.8 MB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:49,372 INFO L168 Benchmark]: Boogie Preprocessor took 1364.22 ms. Allocated memory is still 1.0 GB. Free memory was 751.8 MB in the beginning and 908.1 MB in the end (delta: -156.4 MB). Peak memory consumption was 114.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:49,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 4825.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 820.8 MB in the end (delta: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 862.14 ms. Allocated memory is still 1.0 GB. Free memory was 820.8 MB in the beginning and 751.8 MB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1364.22 ms. Allocated memory is still 1.0 GB. Free memory was 751.8 MB in the beginning and 908.1 MB in the end (delta: -156.4 MB). Peak memory consumption was 114.6 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-da95e15 [2019-11-27 09:33:53,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:33:53,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:33:53,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:33:53,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:33:53,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:33:53,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:33:53,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:33:53,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:33:53,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:33:53,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:33:53,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:33:53,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:33:53,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:33:53,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:33:53,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:33:53,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:33:53,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:33:53,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:33:53,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:33:53,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:33:53,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:33:53,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:33:53,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:33:53,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:33:53,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:33:53,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:33:53,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:33:53,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:33:53,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:33:53,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:33:53,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:33:53,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:33:53,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:33:53,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:33:53,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:33:53,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:33:53,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:33:53,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:33:53,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:33:53,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:33:53,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:33:53,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:33:53,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:33:53,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:33:53,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:33:53,604 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:33:53,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:33:53,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:33:53,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:33:53,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:33:53,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:33:53,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:33:53,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:33:53,611 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:33:53,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:33:53,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:33:53,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:33:53,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:33:53,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:33:53,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:33:53,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:33:53,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:33:53,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:33:53,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:33:53,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:33:53,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:33:53,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:33:53,623 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:33:53,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:33:53,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:33:53,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:33:53,625 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 -> e2247d1792c24240bd2825854a791a4231a35bbe [2019-11-27 09:33:54,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:33:54,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:33:54,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:33:54,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:33:54,218 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:33:54,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label27.c [2019-11-27 09:33:54,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71e9d836/5075cedc7c3e48d4b5fb02b504df19f6/FLAGf33c91a83 [2019-11-27 09:33:56,104 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:33:56,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label27.c [2019-11-27 09:33:56,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71e9d836/5075cedc7c3e48d4b5fb02b504df19f6/FLAGf33c91a83 [2019-11-27 09:33:56,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71e9d836/5075cedc7c3e48d4b5fb02b504df19f6 [2019-11-27 09:33:56,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:33:56,227 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:33:56,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:33:56,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:33:56,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:33:56,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:56,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56, skipping insertion in model container [2019-11-27 09:33:56,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:56,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:33:56,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:33:59,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:33:59,802 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:34:01,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:34:01,332 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:34:01,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01 WrapperNode [2019-11-27 09:34:01,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:34:01,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:34:01,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:34:01,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:34:01,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01" (1/1) ... [2019-11-27 09:34:01,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01" (1/1) ... [2019-11-27 09:34:01,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:34:01,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:34:01,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:34:01,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:34:01,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01" (1/1) ... [2019-11-27 09:34:01,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01" (1/1) ... [2019-11-27 09:34:01,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01" (1/1) ... [2019-11-27 09:34:01,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01" (1/1) ... [2019-11-27 09:34:02,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01" (1/1) ... [2019-11-27 09:34:02,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01" (1/1) ... [2019-11-27 09:34:02,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:01" (1/1) ... [2019-11-27 09:34:02,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:34:02,297 INFO L168 Benchmark]: Toolchain (without parser) took 6065.56 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 717.7 MB in the end (delta: 232.5 MB). Peak memory consumption was 232.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:34:02,298 INFO L168 Benchmark]: CDTParser took 0.43 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 09:34:02,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5106.76 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 775.0 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:34:02,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 516.28 ms. Allocated memory is still 1.0 GB. Free memory was 775.0 MB in the beginning and 740.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:34:02,308 INFO L168 Benchmark]: Boogie Preprocessor took 434.75 ms. Allocated memory is still 1.0 GB. Free memory was 740.4 MB in the beginning and 717.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:34:02,319 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 5106.76 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 775.0 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 516.28 ms. Allocated memory is still 1.0 GB. Free memory was 775.0 MB in the beginning and 740.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 434.75 ms. Allocated memory is still 1.0 GB. Free memory was 740.4 MB in the beginning and 717.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...