./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/Problem16_label26.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd82d8957ec3d054ef5fb23d2f3219145d553947 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem16_label26.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd82d8957ec3d054ef5fb23d2f3219145d553947 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:55:38,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:55:38,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:55:38,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:55:38,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:55:38,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:55:38,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:55:38,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:55:38,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:55:38,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:55:38,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:55:38,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:55:38,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:55:38,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:55:38,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:55:38,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:55:38,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:55:38,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:55:38,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:55:38,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:55:38,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:55:38,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:55:38,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:55:38,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:55:38,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:55:38,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:55:38,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:55:38,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:55:38,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:55:38,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:55:38,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:55:38,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:55:38,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:55:38,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:55:38,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:55:38,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:55:38,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:55:38,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:55:38,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:55:38,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:55:38,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:55:38,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:55:38,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:55:38,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:55:38,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:55:38,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:55:38,458 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:55:38,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:55:38,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:55:38,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:55:38,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:55:38,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:55:38,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:55:38,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:55:38,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:55:38,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:55:38,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:55:38,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:55:38,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:55:38,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:55:38,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:55:38,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:55:38,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:55:38,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:55:38,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:55:38,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:55:38,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:55:38,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:55:38,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:55:38,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:55:38,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:55:38,475 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 -> cd82d8957ec3d054ef5fb23d2f3219145d553947 [2019-11-24 20:55:39,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:55:39,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:55:39,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:55:39,104 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:55:39,108 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:55:39,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2019-11-24 20:55:39,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c857bc31/541daaaa57eb44c6b662cecfc8ed3076/FLAG05a0118bf [2019-11-24 20:55:40,822 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:55:40,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2019-11-24 20:55:40,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c857bc31/541daaaa57eb44c6b662cecfc8ed3076/FLAG05a0118bf [2019-11-24 20:55:40,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c857bc31/541daaaa57eb44c6b662cecfc8ed3076 [2019-11-24 20:55:40,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:55:40,937 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:55:40,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:55:40,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:55:40,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:55:40,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:55:40" (1/1) ... [2019-11-24 20:55:40,968 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 24.11 08:55:40, skipping insertion in model container [2019-11-24 20:55:40,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:55:40" (1/1) ... [2019-11-24 20:55:40,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:55:41,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:55:42,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:55:42,814 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:55:43,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:55:43,803 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:55:43,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43 WrapperNode [2019-11-24 20:55:43,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:55:43,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:55:43,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:55:43,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:55:43,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43" (1/1) ... [2019-11-24 20:55:43,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43" (1/1) ... [2019-11-24 20:55:44,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:55:44,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:55:44,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:55:44,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:55:44,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43" (1/1) ... [2019-11-24 20:55:44,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43" (1/1) ... [2019-11-24 20:55:44,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43" (1/1) ... [2019-11-24 20:55:44,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43" (1/1) ... [2019-11-24 20:55:44,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43" (1/1) ... [2019-11-24 20:55:44,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43" (1/1) ... [2019-11-24 20:55:44,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:43" (1/1) ... [2019-11-24 20:55:44,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:55:44,515 INFO L168 Benchmark]: Toolchain (without parser) took 3572.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 892.3 MB in the end (delta: 67.9 MB). Peak memory consumption was 68.0 MB. Max. memory is 12.5 GB. [2019-11-24 20:55:44,517 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:55:44,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2860.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 932.6 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:55:44,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 325.37 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 909.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-24 20:55:44,526 INFO L168 Benchmark]: Boogie Preprocessor took 372.29 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 892.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:55:44,539 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2860.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 932.6 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 325.37 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 909.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 372.29 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 892.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 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 0.1.24-32f2683 [2019-11-24 20:55:48,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:55:48,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:55:48,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:55:48,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:55:48,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:55:48,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:55:48,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:55:48,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:55:48,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:55:48,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:55:48,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:55:48,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:55:48,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:55:48,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:55:48,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:55:48,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:55:48,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:55:48,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:55:48,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:55:48,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:55:48,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:55:48,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:55:48,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:55:48,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:55:48,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:55:48,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:55:48,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:55:48,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:55:48,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:55:48,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:55:48,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:55:48,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:55:48,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:55:48,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:55:48,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:55:48,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:55:48,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:55:48,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:55:48,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:55:48,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:55:48,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:55:48,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:55:48,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:55:48,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:55:48,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:55:48,654 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:55:48,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:55:48,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:55:48,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:55:48,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:55:48,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:55:48,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:55:48,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:55:48,658 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:55:48,659 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:55:48,659 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:55:48,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:55:48,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:55:48,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:55:48,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:55:48,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:55:48,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:55:48,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:55:48,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:55:48,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:55:48,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:55:48,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:55:48,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:55:48,665 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:55:48,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:55:48,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:55:48,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:55:48,667 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 -> cd82d8957ec3d054ef5fb23d2f3219145d553947 [2019-11-24 20:55:49,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:55:49,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:55:49,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:55:49,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:55:49,303 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:55:49,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2019-11-24 20:55:49,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faafaef04/b06512dfdede48db85345918e7b2b7e4/FLAG6e014b699 [2019-11-24 20:55:50,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:55:50,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2019-11-24 20:55:50,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faafaef04/b06512dfdede48db85345918e7b2b7e4/FLAG6e014b699 [2019-11-24 20:55:51,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faafaef04/b06512dfdede48db85345918e7b2b7e4 [2019-11-24 20:55:51,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:55:51,213 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:55:51,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:55:51,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:55:51,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:55:51,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:55:51" (1/1) ... [2019-11-24 20:55:51,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e3592a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:51, skipping insertion in model container [2019-11-24 20:55:51,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:55:51" (1/1) ... [2019-11-24 20:55:51,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:55:51,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:55:53,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:55:53,214 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:55:53,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:55:53,790 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:55:53,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53 WrapperNode [2019-11-24 20:55:53,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:55:53,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:55:53,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:55:53,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:55:53,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53" (1/1) ... [2019-11-24 20:55:53,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53" (1/1) ... [2019-11-24 20:55:54,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:55:54,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:55:54,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:55:54,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:55:54,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53" (1/1) ... [2019-11-24 20:55:54,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53" (1/1) ... [2019-11-24 20:55:54,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53" (1/1) ... [2019-11-24 20:55:54,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53" (1/1) ... [2019-11-24 20:55:54,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53" (1/1) ... [2019-11-24 20:55:54,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53" (1/1) ... [2019-11-24 20:55:54,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:53" (1/1) ... [2019-11-24 20:55:54,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:55:54,291 INFO L168 Benchmark]: Toolchain (without parser) took 3078.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 892.6 MB in the end (delta: 61.8 MB). Peak memory consumption was 61.9 MB. Max. memory is 12.5 GB. [2019-11-24 20:55:54,292 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-24 20:55:54,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2577.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 915.6 MB in the end (delta: 38.9 MB). Peak memory consumption was 39.0 MB. Max. memory is 12.5 GB. [2019-11-24 20:55:54,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 265.01 ms. Allocated memory is still 1.0 GB. Free memory was 915.6 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:55:54,302 INFO L168 Benchmark]: Boogie Preprocessor took 220.91 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:55:54,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 2577.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 915.6 MB in the end (delta: 38.9 MB). Peak memory consumption was 39.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 265.01 ms. Allocated memory is still 1.0 GB. Free memory was 915.6 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 220.91 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...