./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem18_label31.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 d4cf146c5b6026d9650dca769e05d1a6300a8a21 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_label31.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 d4cf146c5b6026d9650dca769e05d1a6300a8a21 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:51:17,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:51:17,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:51:17,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:51:17,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:51:17,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:51:17,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:51:17,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:51:17,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:51:17,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:51:17,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:51:17,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:51:17,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:51:17,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:51:17,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:51:17,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:51:17,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:51:17,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:51:17,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:51:17,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:51:17,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:51:17,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:51:17,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:51:17,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:51:17,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:51:17,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:51:17,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:51:17,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:51:17,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:51:17,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:51:17,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:51:17,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:51:17,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:51:17,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:51:17,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:51:17,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:51:17,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:51:17,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:51:17,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:51:17,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:51:17,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:51:17,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:51:17,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:51:17,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:51:17,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:51:17,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:51:17,572 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:51:17,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:51:17,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:51:17,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:51:17,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:51:17,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:51:17,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:51:17,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:51:17,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:51:17,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:51:17,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:51:17,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:51:17,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:51:17,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:51:17,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:51:17,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:51:17,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:51:17,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:51:17,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:51:17,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:51:17,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:51:17,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:51:17,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:51:17,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:51:17,589 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 -> d4cf146c5b6026d9650dca769e05d1a6300a8a21 [2019-11-26 16:51:18,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:51:18,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:51:18,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:51:18,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:51:18,188 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:51:18,190 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label31.c [2019-11-26 16:51:18,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2441777fb/271cede93749415786eb9e49a60589a3/FLAGc2204ef60 [2019-11-26 16:51:19,882 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:51:19,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label31.c [2019-11-26 16:51:19,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2441777fb/271cede93749415786eb9e49a60589a3/FLAGc2204ef60 [2019-11-26 16:51:19,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2441777fb/271cede93749415786eb9e49a60589a3 [2019-11-26 16:51:19,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:51:19,990 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:51:19,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:19,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:51:20,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:51:20,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:19" (1/1) ... [2019-11-26 16:51:20,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:20, skipping insertion in model container [2019-11-26 16:51:20,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:19" (1/1) ... [2019-11-26 16:51:20,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:51:20,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:51:22,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:22,758 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:51:23,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:23,970 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:51:23,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23 WrapperNode [2019-11-26 16:51:23,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:23,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:23,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:51:23,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:51:23,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:24,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:51:24,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:51:24,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:51:24,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:25,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:51:25,126 INFO L168 Benchmark]: Toolchain (without parser) took 5128.38 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 804.6 MB in the end (delta: 145.7 MB). Peak memory consumption was 145.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:25,128 INFO L168 Benchmark]: CDTParser took 2.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:51:25,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3974.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.3 MB in the end (delta: 76.9 MB). Peak memory consumption was 77.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:25,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 567.77 ms. Allocated memory is still 1.0 GB. Free memory was 873.3 MB in the beginning and 827.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:25,139 INFO L168 Benchmark]: Boogie Preprocessor took 575.00 ms. Allocated memory is still 1.0 GB. Free memory was 827.5 MB in the beginning and 804.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:25,153 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.40 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 3974.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.3 MB in the end (delta: 76.9 MB). Peak memory consumption was 77.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 567.77 ms. Allocated memory is still 1.0 GB. Free memory was 873.3 MB in the beginning and 827.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 575.00 ms. Allocated memory is still 1.0 GB. Free memory was 827.5 MB in the beginning and 804.6 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 0.1.24-025d5a2 [2019-11-26 16:51:29,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:51:29,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:51:29,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:51:29,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:51:29,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:51:29,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:51:29,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:51:29,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:51:29,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:51:29,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:51:29,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:51:29,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:51:29,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:51:29,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:51:29,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:51:29,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:51:29,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:51:29,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:51:29,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:51:29,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:51:29,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:51:29,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:51:29,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:51:29,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:51:29,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:51:29,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:51:29,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:51:29,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:51:29,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:51:29,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:51:29,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:51:29,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:51:29,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:51:29,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:51:29,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:51:29,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:51:29,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:51:29,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:51:29,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:51:29,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:51:29,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:51:29,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:51:29,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:51:29,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:51:29,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:51:29,322 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:51:29,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:51:29,324 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:51:29,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:51:29,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:51:29,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:51:29,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:51:29,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:51:29,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:51:29,329 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:51:29,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:51:29,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:51:29,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:51:29,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:51:29,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:51:29,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:51:29,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:51:29,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:51:29,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:51:29,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:51:29,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:51:29,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:51:29,338 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:51:29,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:51:29,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:51:29,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:51:29,340 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 -> d4cf146c5b6026d9650dca769e05d1a6300a8a21 [2019-11-26 16:51:29,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:51:29,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:51:29,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:51:29,913 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:51:29,914 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:51:29,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label31.c [2019-11-26 16:51:30,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4519d785a/1fa256f6334042cabc8d66554e88a805/FLAGc0b1f6f9a [2019-11-26 16:51:31,660 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:51:31,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label31.c [2019-11-26 16:51:31,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4519d785a/1fa256f6334042cabc8d66554e88a805/FLAGc0b1f6f9a [2019-11-26 16:51:31,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4519d785a/1fa256f6334042cabc8d66554e88a805 [2019-11-26 16:51:31,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:51:31,937 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:51:31,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:31,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:51:31,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:51:31,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:31" (1/1) ... [2019-11-26 16:51:31,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff3520c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:31, skipping insertion in model container [2019-11-26 16:51:31,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:31" (1/1) ... [2019-11-26 16:51:31,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:51:32,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:51:34,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:34,818 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:51:36,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:36,201 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:51:36,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36 WrapperNode [2019-11-26 16:51:36,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:36,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:36,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:51:36,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:51:36,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36" (1/1) ... [2019-11-26 16:51:36,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36" (1/1) ... [2019-11-26 16:51:36,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:36,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:51:36,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:51:36,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:51:36,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36" (1/1) ... [2019-11-26 16:51:36,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36" (1/1) ... [2019-11-26 16:51:36,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36" (1/1) ... [2019-11-26 16:51:36,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36" (1/1) ... [2019-11-26 16:51:37,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36" (1/1) ... [2019-11-26 16:51:37,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36" (1/1) ... [2019-11-26 16:51:37,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:36" (1/1) ... [2019-11-26 16:51:37,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:51:37,241 INFO L168 Benchmark]: Toolchain (without parser) took 5300.36 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 799.3 MB in the end (delta: 150.9 MB). Peak memory consumption was 151.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:37,243 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. [2019-11-26 16:51:37,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4264.90 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: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:37,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 526.90 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:37,253 INFO L168 Benchmark]: Boogie Preprocessor took 495.73 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 799.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:37,264 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 4264.90 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: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 526.90 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 495.73 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 799.3 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...