./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label32.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/Problem16_label32.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 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label32.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 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:49:46,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:49:46,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:49:46,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:49:46,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:49:46,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:49:46,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:49:46,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:49:46,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:49:46,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:49:46,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:49:46,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:49:46,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:49:46,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:49:46,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:49:46,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:49:46,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:49:46,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:49:46,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:49:46,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:49:46,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:49:46,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:49:46,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:49:46,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:49:46,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:49:46,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:49:46,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:49:46,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:49:46,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:49:46,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:49:46,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:49:46,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:49:46,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:49:46,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:49:46,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:49:46,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:49:46,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:49:46,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:49:46,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:49:46,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:49:46,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:49:46,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:49:46,815 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:49:46,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:49:46,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:49:46,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:49:46,822 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:49:46,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:49:46,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:49:46,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:49:46,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:49:46,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:49:46,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:49:46,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:49:46,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:49:46,829 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:49:46,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:49:46,830 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:49:46,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:49:46,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:49:46,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:49:46,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:49:46,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:49:46,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:49:46,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:49:46,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:49:46,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:49:46,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:49:46,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:49:46,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:49:46,838 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 -> 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e [2019-11-26 16:49:47,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:49:47,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:49:47,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:49:47,450 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:49:47,454 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:49:47,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2019-11-26 16:49:47,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b476fc250/4b89923ba7234d73b47a44bc17389c46/FLAG4c9c15202 [2019-11-26 16:49:49,113 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:49:49,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2019-11-26 16:49:49,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b476fc250/4b89923ba7234d73b47a44bc17389c46/FLAG4c9c15202 [2019-11-26 16:49:49,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b476fc250/4b89923ba7234d73b47a44bc17389c46 [2019-11-26 16:49:49,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:49:49,230 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:49:49,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:49,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:49:49,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:49:49,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:49" (1/1) ... [2019-11-26 16:49:49,254 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 04:49:49, skipping insertion in model container [2019-11-26 16:49:49,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:49" (1/1) ... [2019-11-26 16:49:49,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:49:49,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:49:51,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:51,109 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:49:51,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:51,680 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:49:51,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51 WrapperNode [2019-11-26 16:49:51,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:51,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:51,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:49:51,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:49:51,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:52,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:52,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:49:52,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:49:52,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:49:52,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:52,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:52,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:52,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:52,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:52,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:52,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:52,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:49:52,415 INFO L168 Benchmark]: Toolchain (without parser) took 3178.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 892.3 MB in the end (delta: 69.4 MB). Peak memory consumption was 69.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:52,418 INFO L168 Benchmark]: CDTParser took 0.78 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. [2019-11-26 16:49:52,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2450.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.4 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:52,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 356.99 ms. Allocated memory is still 1.0 GB. Free memory was 932.4 MB in the beginning and 909.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:52,428 INFO L168 Benchmark]: Boogie Preprocessor took 365.39 ms. Allocated memory is still 1.0 GB. Free memory was 909.5 MB in the beginning and 892.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:52,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 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 2450.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.4 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 356.99 ms. Allocated memory is still 1.0 GB. Free memory was 932.4 MB in the beginning and 909.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 365.39 ms. Allocated memory is still 1.0 GB. Free memory was 909.5 MB in the beginning and 892.3 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:49:56,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:49:56,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:49:56,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:49:56,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:49:56,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:49:56,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:49:56,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:49:56,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:49:56,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:49:56,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:49:56,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:49:56,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:49:56,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:49:56,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:49:56,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:49:56,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:49:56,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:49:56,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:49:56,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:49:56,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:49:56,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:49:56,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:49:56,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:49:56,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:49:56,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:49:56,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:49:56,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:49:56,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:49:56,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:49:56,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:49:56,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:49:56,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:49:56,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:49:56,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:49:56,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:49:56,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:49:56,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:49:56,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:49:56,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:49:56,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:49:56,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:49:56,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:49:56,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:49:56,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:49:56,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:49:56,610 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:49:56,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:49:56,613 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:49:56,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:49:56,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:49:56,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:49:56,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:49:56,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:49:56,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:49:56,617 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:49:56,618 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:49:56,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:49:56,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:49:56,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:49:56,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:49:56,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:49:56,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:49:56,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:49:56,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:49:56,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:49:56,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:49:56,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:49:56,627 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:49:56,628 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:49:56,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:49:56,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:49:56,630 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 -> 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e [2019-11-26 16:49:57,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:49:57,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:49:57,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:49:57,238 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:49:57,238 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:49:57,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2019-11-26 16:49:57,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c0508a98/3a9f258d74084e4a83b1753401d5585a/FLAGa529b892a [2019-11-26 16:49:58,819 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:49:58,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2019-11-26 16:49:58,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c0508a98/3a9f258d74084e4a83b1753401d5585a/FLAGa529b892a [2019-11-26 16:49:58,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c0508a98/3a9f258d74084e4a83b1753401d5585a [2019-11-26 16:49:58,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:49:58,930 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:49:58,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:58,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:49:58,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:49:58,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:58" (1/1) ... [2019-11-26 16:49:58,953 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 26.11 04:49:58, skipping insertion in model container [2019-11-26 16:49:58,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:58" (1/1) ... [2019-11-26 16:49:58,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:49:59,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:00,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:01,005 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:01,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:01,621 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:01,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01 WrapperNode [2019-11-26 16:50:01,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:01,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:01,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:01,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:01,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01" (1/1) ... [2019-11-26 16:50:01,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01" (1/1) ... [2019-11-26 16:50:01,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:01,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:01,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:01,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:01,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01" (1/1) ... [2019-11-26 16:50:01,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01" (1/1) ... [2019-11-26 16:50:01,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01" (1/1) ... [2019-11-26 16:50:01,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01" (1/1) ... [2019-11-26 16:50:02,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01" (1/1) ... [2019-11-26 16:50:02,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01" (1/1) ... [2019-11-26 16:50:02,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:01" (1/1) ... [2019-11-26 16:50:02,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:02,162 INFO L168 Benchmark]: Toolchain (without parser) took 3228.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 892.6 MB in the end (delta: 69.1 MB). Peak memory consumption was 69.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:02,163 INFO L168 Benchmark]: CDTParser took 1.56 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. [2019-11-26 16:50:02,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2694.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 915.5 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:02,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 282.70 ms. Allocated memory is still 1.0 GB. Free memory was 915.5 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. [2019-11-26 16:50:02,171 INFO L168 Benchmark]: Boogie Preprocessor took 243.36 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. [2019-11-26 16:50:02,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 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 2694.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 915.5 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 282.70 ms. Allocated memory is still 1.0 GB. Free memory was 915.5 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 243.36 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...