./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label21.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/Problem02_label21.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 d72d8b32d23c090e7c4c923093cd0c146af9199e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/Problem02_label21.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 d72d8b32d23c090e7c4c923093cd0c146af9199e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:34:06,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:34:06,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:34:06,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:34:06,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:34:06,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:34:06,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:34:06,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:34:06,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:34:06,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:34:06,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:34:06,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:34:06,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:34:06,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:34:06,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:34:06,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:34:06,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:34:06,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:34:06,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:34:06,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:34:06,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:34:06,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:34:06,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:34:06,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:34:06,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:34:06,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:34:06,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:34:06,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:34:06,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:34:06,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:34:06,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:34:06,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:34:06,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:34:06,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:34:06,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:34:06,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:34:06,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:34:06,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:34:06,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:34:06,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:34:06,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:34:06,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:34:06,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:34:06,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:34:06,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:34:06,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:34:06,667 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:34:06,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:34:06,669 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:34:06,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:34:06,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:34:06,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:34:06,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:34:06,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:34:06,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:34:06,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:34:06,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:34:06,677 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:34:06,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:34:06,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:34:06,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:34:06,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:34:06,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:34:06,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:34:06,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:34:06,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:34:06,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:34:06,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:34:06,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:34:06,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:34:06,684 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 -> d72d8b32d23c090e7c4c923093cd0c146af9199e [2019-11-26 16:34:07,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:34:07,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:34:07,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:34:07,319 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:34:07,320 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:34:07,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-26 16:34:07,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05615eb6/f808de34f5d14041969da7adc5c7e463/FLAGcb83e701c [2019-11-26 16:34:08,699 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:34:08,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-26 16:34:08,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05615eb6/f808de34f5d14041969da7adc5c7e463/FLAGcb83e701c [2019-11-26 16:34:09,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05615eb6/f808de34f5d14041969da7adc5c7e463 [2019-11-26 16:34:09,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:34:09,151 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:34:09,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:09,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:34:09,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:34:09,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:09" (1/1) ... [2019-11-26 16:34:09,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31604e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:09, skipping insertion in model container [2019-11-26 16:34:09,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:09" (1/1) ... [2019-11-26 16:34:09,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:34:09,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:34:10,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:10,249 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:34:10,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:10,693 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:34:10,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10 WrapperNode [2019-11-26 16:34:10,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:10,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:10,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:34:10,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:34:10,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10" (1/1) ... [2019-11-26 16:34:10,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10" (1/1) ... [2019-11-26 16:34:10,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:10,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:34:10,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:34:10,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:34:10,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10" (1/1) ... [2019-11-26 16:34:10,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10" (1/1) ... [2019-11-26 16:34:10,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10" (1/1) ... [2019-11-26 16:34:10,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10" (1/1) ... [2019-11-26 16:34:10,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10" (1/1) ... [2019-11-26 16:34:11,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10" (1/1) ... [2019-11-26 16:34:11,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:10" (1/1) ... [2019-11-26 16:34:11,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:34:11,088 INFO L168 Benchmark]: Toolchain (without parser) took 1928.97 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 966.6 MB in the end (delta: -4.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:34:11,090 INFO L168 Benchmark]: CDTParser took 0.42 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 16:34:11,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1536.54 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 983.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:11,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.63 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:11,104 INFO L168 Benchmark]: Boogie Preprocessor took 193.91 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 966.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:11,115 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1536.54 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 983.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 185.63 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 193.91 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 966.6 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:34:14,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:34:14,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:34:14,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:34:14,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:34:14,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:34:14,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:34:14,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:34:14,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:34:14,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:34:14,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:34:14,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:34:14,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:34:14,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:34:14,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:34:14,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:34:14,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:34:14,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:34:14,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:34:15,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:34:15,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:34:15,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:34:15,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:34:15,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:34:15,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:34:15,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:34:15,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:34:15,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:34:15,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:34:15,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:34:15,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:34:15,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:34:15,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:34:15,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:34:15,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:34:15,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:34:15,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:34:15,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:34:15,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:34:15,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:34:15,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:34:15,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:34:15,108 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:34:15,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:34:15,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:34:15,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:34:15,115 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:34:15,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:34:15,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:34:15,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:34:15,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:34:15,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:34:15,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:34:15,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:34:15,121 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:34:15,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:34:15,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:34:15,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:34:15,125 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:34:15,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:34:15,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:34:15,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:34:15,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:34:15,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:34:15,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:34:15,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:34:15,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:34:15,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:34:15,130 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:34:15,131 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:34:15,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:34:15,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:34:15,135 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 -> d72d8b32d23c090e7c4c923093cd0c146af9199e [2019-11-26 16:34:15,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:34:15,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:34:15,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:34:15,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:34:15,782 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:34:15,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-26 16:34:15,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06d8e4a3/0a49b35a680a4564830250bf5f7f53a5/FLAGd315a17f0 [2019-11-26 16:34:17,179 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:34:17,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-26 16:34:17,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06d8e4a3/0a49b35a680a4564830250bf5f7f53a5/FLAGd315a17f0 [2019-11-26 16:34:17,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06d8e4a3/0a49b35a680a4564830250bf5f7f53a5 [2019-11-26 16:34:17,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:34:17,278 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:34:17,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:17,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:34:17,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:34:17,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:17" (1/1) ... [2019-11-26 16:34:17,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:17, skipping insertion in model container [2019-11-26 16:34:17,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:17" (1/1) ... [2019-11-26 16:34:17,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:34:17,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:34:18,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:18,471 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:34:18,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:18,806 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:34:18,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18 WrapperNode [2019-11-26 16:34:18,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:18,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:18,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:34:18,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:34:18,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18" (1/1) ... [2019-11-26 16:34:18,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18" (1/1) ... [2019-11-26 16:34:19,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:19,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:34:19,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:34:19,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:34:19,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18" (1/1) ... [2019-11-26 16:34:19,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18" (1/1) ... [2019-11-26 16:34:19,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18" (1/1) ... [2019-11-26 16:34:19,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18" (1/1) ... [2019-11-26 16:34:19,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18" (1/1) ... [2019-11-26 16:34:19,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18" (1/1) ... [2019-11-26 16:34:19,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:18" (1/1) ... [2019-11-26 16:34:19,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:34:19,193 INFO L168 Benchmark]: Toolchain (without parser) took 1912.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 950.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:19,194 INFO L168 Benchmark]: CDTParser took 0.38 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 16:34:19,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1529.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:19,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.14 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:19,202 INFO L168 Benchmark]: Boogie Preprocessor took 166.18 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:19,215 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1529.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 207.14 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 166.18 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...