./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/Problem18_label52.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d74190c70ada9a4214b6bdad7c91c31ee30d736 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/Problem18_label52.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d74190c70ada9a4214b6bdad7c91c31ee30d736 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:43:41,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:43:41,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:43:41,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:43:41,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:43:41,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:43:41,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:43:41,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:43:41,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:43:41,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:43:41,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:43:41,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:43:41,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:43:41,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:43:41,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:43:41,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:43:41,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:43:41,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:43:41,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:43:41,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:43:41,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:43:41,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:43:41,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:43:41,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:43:41,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:43:41,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:43:41,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:43:41,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:43:41,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:43:41,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:43:41,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:43:41,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:43:41,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:43:41,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:43:41,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:43:41,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:43:41,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:43:41,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:43:41,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:43:41,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:43:41,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:43:41,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:43:41,769 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:43:41,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:43:41,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:43:41,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:43:41,776 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:43:41,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:43:41,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:43:41,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:43:41,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:43:41,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:43:41,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:43:41,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:43:41,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:43:41,783 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:43:41,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:43:41,784 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:43:41,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:43:41,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:43:41,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:43:41,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:43:41,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:43:41,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:43:41,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:43:41,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:43:41,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:43:41,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:43:41,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:43:41,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:43:41,793 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 -> 6d74190c70ada9a4214b6bdad7c91c31ee30d736 [2019-11-25 22:43:42,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:43:42,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:43:42,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:43:42,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:43:42,381 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:43:42,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label52.c [2019-11-25 22:43:42,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4f43793/1849d7e3271946eead94297150f96e12/FLAGcb0347023 [2019-11-25 22:43:44,273 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:43:44,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label52.c [2019-11-25 22:43:44,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4f43793/1849d7e3271946eead94297150f96e12/FLAGcb0347023 [2019-11-25 22:43:44,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4f43793/1849d7e3271946eead94297150f96e12 [2019-11-25 22:43:44,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:43:44,394 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:43:44,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:43:44,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:43:44,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:43:44,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:43:44" (1/1) ... [2019-11-25 22:43:44,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae0ad6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:44, skipping insertion in model container [2019-11-25 22:43:44,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:43:44" (1/1) ... [2019-11-25 22:43:44,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:43:44,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:43:47,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:43:47,028 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:43:47,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:43:48,051 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:43:48,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48 WrapperNode [2019-11-25 22:43:48,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:43:48,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:43:48,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:43:48,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:43:48,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48" (1/1) ... [2019-11-25 22:43:48,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48" (1/1) ... [2019-11-25 22:43:48,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:43:48,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:43:48,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:43:48,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:43:48,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48" (1/1) ... [2019-11-25 22:43:48,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48" (1/1) ... [2019-11-25 22:43:48,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48" (1/1) ... [2019-11-25 22:43:48,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48" (1/1) ... [2019-11-25 22:43:48,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48" (1/1) ... [2019-11-25 22:43:48,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48" (1/1) ... [2019-11-25 22:43:49,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:48" (1/1) ... [2019-11-25 22:43:49,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:43:49,148 INFO L168 Benchmark]: Toolchain (without parser) took 4750.13 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 803.3 MB in the end (delta: 146.9 MB). Peak memory consumption was 147.0 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:49,150 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. [2019-11-25 22:43:49,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3653.10 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 872.0 MB in the end (delta: 78.2 MB). Peak memory consumption was 78.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:49,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 541.95 ms. Allocated memory is still 1.0 GB. Free memory was 872.0 MB in the beginning and 826.2 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:49,161 INFO L168 Benchmark]: Boogie Preprocessor took 543.77 ms. Allocated memory is still 1.0 GB. Free memory was 826.2 MB in the beginning and 803.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:43:49,172 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 3653.10 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 872.0 MB in the end (delta: 78.2 MB). Peak memory consumption was 78.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 541.95 ms. Allocated memory is still 1.0 GB. Free memory was 872.0 MB in the beginning and 826.2 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 543.77 ms. Allocated memory is still 1.0 GB. Free memory was 826.2 MB in the beginning and 803.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:43:53,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:43:53,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:43:53,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:43:53,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:43:53,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:43:53,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:43:53,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:43:53,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:43:53,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:43:53,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:43:53,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:43:53,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:43:53,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:43:53,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:43:53,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:43:53,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:43:53,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:43:53,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:43:53,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:43:53,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:43:53,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:43:53,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:43:53,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:43:53,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:43:53,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:43:53,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:43:53,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:43:53,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:43:53,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:43:53,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:43:53,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:43:53,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:43:53,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:43:53,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:43:53,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:43:53,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:43:53,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:43:53,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:43:53,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:43:53,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:43:53,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:43:53,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:43:53,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:43:53,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:43:53,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:43:53,375 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:43:53,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:43:53,375 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:43:53,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:43:53,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:43:53,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:43:53,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:43:53,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:43:53,380 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:43:53,381 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:43:53,381 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:43:53,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:43:53,383 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:43:53,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:43:53,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:43:53,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:43:53,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:43:53,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:43:53,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:43:53,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:43:53,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:43:53,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:43:53,389 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:43:53,390 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:43:53,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:43:53,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:43:53,393 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 -> 6d74190c70ada9a4214b6bdad7c91c31ee30d736 [2019-11-25 22:43:53,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:43:53,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:43:53,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:43:53,988 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:43:53,991 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:43:53,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label52.c [2019-11-25 22:43:54,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c66cca37/4e94ff6201174391b6e4dca2bef461c6/FLAG226ecbadb [2019-11-25 22:43:55,942 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:43:55,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label52.c [2019-11-25 22:43:56,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c66cca37/4e94ff6201174391b6e4dca2bef461c6/FLAG226ecbadb [2019-11-25 22:43:56,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c66cca37/4e94ff6201174391b6e4dca2bef461c6 [2019-11-25 22:43:56,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:43:56,068 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:43:56,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:43:56,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:43:56,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:43:56,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:43:56" (1/1) ... [2019-11-25 22:43:56,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:43:56, skipping insertion in model container [2019-11-25 22:43:56,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:43:56" (1/1) ... [2019-11-25 22:43:56,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:43:56,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:43:58,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:43:58,952 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:44:00,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:44:00,237 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:44:00,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00 WrapperNode [2019-11-25 22:44:00,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:44:00,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:44:00,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:44:00,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:44:00,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00" (1/1) ... [2019-11-25 22:44:00,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00" (1/1) ... [2019-11-25 22:44:00,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:44:00,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:44:00,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:44:00,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:44:00,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00" (1/1) ... [2019-11-25 22:44:00,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00" (1/1) ... [2019-11-25 22:44:00,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00" (1/1) ... [2019-11-25 22:44:00,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00" (1/1) ... [2019-11-25 22:44:00,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00" (1/1) ... [2019-11-25 22:44:00,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00" (1/1) ... [2019-11-25 22:44:01,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:44:00" (1/1) ... [2019-11-25 22:44:01,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:44:01,087 INFO L168 Benchmark]: Toolchain (without parser) took 5013.27 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 799.2 MB in the end (delta: 151.0 MB). Peak memory consumption was 151.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:44:01,088 INFO L168 Benchmark]: CDTParser took 2.73 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. [2019-11-25 22:44:01,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4171.66 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 845.1 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:44:01,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 397.69 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:44:01,097 INFO L168 Benchmark]: Boogie Preprocessor took 435.25 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:44:01,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.73 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 4171.66 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 845.1 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 397.69 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 435.25 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...