./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem19_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/Problem19_label17.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 68e3f6fa115b185161f333ded982157de0786357 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem19_label17.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 68e3f6fa115b185161f333ded982157de0786357 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:00:55,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:00:55,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:00:55,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:00:55,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:00:55,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:00:55,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:00:55,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:00:55,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:00:55,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:00:55,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:00:55,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:00:55,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:00:55,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:00:55,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:00:55,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:00:55,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:00:55,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:00:55,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:00:55,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:00:55,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:00:55,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:00:55,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:00:55,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:00:55,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:00:55,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:00:55,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:00:55,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:00:55,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:00:55,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:00:55,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:00:55,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:00:55,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:00:55,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:00:55,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:00:55,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:00:55,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:00:55,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:00:55,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:00:55,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:00:55,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:00:55,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:00:55,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:00:55,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:00:55,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:00:55,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:00:55,697 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:00:55,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:00:55,697 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:00:55,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:00:55,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:00:55,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:00:55,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:00:55,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:00:55,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:00:55,702 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:00:55,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:00:55,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:00:55,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:00:55,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:00:55,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:00:55,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:00:55,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:00:55,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:00:55,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:00:55,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:00:55,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:00:55,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:00:55,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:00:55,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:00:55,710 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 -> 68e3f6fa115b185161f333ded982157de0786357 [2019-11-27 16:00:56,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:00:56,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:00:56,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:00:56,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:00:56,323 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:00:56,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label17.c [2019-11-27 16:00:56,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c7148b0a/6cf3a0f02d624c0b98db1e336f5b20e4/FLAG110f9c64b [2019-11-27 16:00:58,449 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:00:58,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label17.c [2019-11-27 16:00:58,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c7148b0a/6cf3a0f02d624c0b98db1e336f5b20e4/FLAG110f9c64b [2019-11-27 16:00:58,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c7148b0a/6cf3a0f02d624c0b98db1e336f5b20e4 [2019-11-27 16:00:58,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:00:58,632 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:00:58,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:58,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:00:58,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:00:58,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:58" (1/1) ... [2019-11-27 16:00:58,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:58, skipping insertion in model container [2019-11-27 16:00:58,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:58" (1/1) ... [2019-11-27 16:00:58,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:00:59,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:04,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:04,026 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:06,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:06,837 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:06,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06 WrapperNode [2019-11-27 16:01:06,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:06,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:06,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:06,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:06,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06" (1/1) ... [2019-11-27 16:01:07,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06" (1/1) ... [2019-11-27 16:01:08,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:08,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:08,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:08,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:08,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06" (1/1) ... [2019-11-27 16:01:08,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06" (1/1) ... [2019-11-27 16:01:08,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06" (1/1) ... [2019-11-27 16:01:08,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06" (1/1) ... [2019-11-27 16:01:10,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06" (1/1) ... [2019-11-27 16:01:10,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06" (1/1) ... [2019-11-27 16:01:10,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:06" (1/1) ... [2019-11-27 16:01:10,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:10,998 INFO L168 Benchmark]: Toolchain (without parser) took 12364.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 777.4 MB in the end (delta: 155.7 MB). Peak memory consumption was 390.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:10,999 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-27 16:01:11,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8201.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 875.1 MB in the end (delta: 58.0 MB). Peak memory consumption was 272.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:11,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 1609.35 ms. Allocated memory is still 1.0 GB. Free memory was 875.1 MB in the beginning and 703.5 MB in the end (delta: 171.6 MB). Peak memory consumption was 171.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:11,009 INFO L168 Benchmark]: Boogie Preprocessor took 2539.37 ms. Allocated memory is still 1.0 GB. Free memory was 703.5 MB in the beginning and 777.4 MB in the end (delta: -73.9 MB). Peak memory consumption was 161.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:11,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 8201.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 875.1 MB in the end (delta: 58.0 MB). Peak memory consumption was 272.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1609.35 ms. Allocated memory is still 1.0 GB. Free memory was 875.1 MB in the beginning and 703.5 MB in the end (delta: 171.6 MB). Peak memory consumption was 171.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2539.37 ms. Allocated memory is still 1.0 GB. Free memory was 703.5 MB in the beginning and 777.4 MB in the end (delta: -73.9 MB). Peak memory consumption was 161.0 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 0.1.24-509859d [2019-11-27 16:01:15,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:01:15,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:01:15,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:01:15,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:01:15,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:01:15,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:01:15,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:01:15,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:01:15,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:01:15,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:01:15,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:01:15,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:01:15,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:01:15,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:01:15,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:01:15,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:01:15,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:01:15,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:01:15,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:01:15,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:01:15,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:01:15,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:01:15,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:01:15,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:01:15,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:01:15,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:01:15,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:01:15,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:01:15,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:01:15,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:01:15,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:01:15,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:01:15,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:01:15,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:01:15,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:01:15,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:01:15,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:01:15,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:01:15,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:01:15,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:01:15,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:01:15,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:01:15,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:01:15,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:01:15,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:01:15,309 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:01:15,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:01:15,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:01:15,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:01:15,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:01:15,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:01:15,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:01:15,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:01:15,314 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:01:15,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:01:15,317 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:01:15,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:01:15,317 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:01:15,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:01:15,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:01:15,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:01:15,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:01:15,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:01:15,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:01:15,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:01:15,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:01:15,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:01:15,324 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:01:15,324 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:01:15,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:01:15,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:01:15,326 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 -> 68e3f6fa115b185161f333ded982157de0786357 [2019-11-27 16:01:15,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:01:15,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:01:15,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:01:15,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:01:15,981 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:01:15,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label17.c [2019-11-27 16:01:16,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae125134/b3c9d2d182ae4f8cabafcbc46292f8e5/FLAG875e1ad66 [2019-11-27 16:01:18,150 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:01:18,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label17.c [2019-11-27 16:01:18,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae125134/b3c9d2d182ae4f8cabafcbc46292f8e5/FLAG875e1ad66 [2019-11-27 16:01:18,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae125134/b3c9d2d182ae4f8cabafcbc46292f8e5 [2019-11-27 16:01:18,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:01:18,353 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:01:18,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:18,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:01:18,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:01:18,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:18" (1/1) ... [2019-11-27 16:01:18,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:18, skipping insertion in model container [2019-11-27 16:01:18,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:18" (1/1) ... [2019-11-27 16:01:18,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:01:18,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:25,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:25,327 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:28,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:28,627 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:28,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28 WrapperNode [2019-11-27 16:01:28,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:28,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:28,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:28,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:28,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:28,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:29,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:29,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:29,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:29,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:29,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:29,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:29,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:29,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:30,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:30,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:30,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:28" (1/1) ... [2019-11-27 16:01:31,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:31,125 INFO L168 Benchmark]: Toolchain (without parser) took 12772.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 931.6 MB in the beginning and 872.1 MB in the end (delta: 59.5 MB). Peak memory consumption was 318.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:31,126 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-27 16:01:31,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 10274.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 931.6 MB in the beginning and 773.8 MB in the end (delta: 157.9 MB). Peak memory consumption was 254.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:31,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 863.82 ms. Allocated memory is still 1.0 GB. Free memory was 773.8 MB in the beginning and 705.7 MB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:31,137 INFO L168 Benchmark]: Boogie Preprocessor took 1620.04 ms. Allocated memory is still 1.0 GB. Free memory was 705.7 MB in the beginning and 872.1 MB in the end (delta: -166.4 MB). Peak memory consumption was 92.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:31,147 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 10274.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 931.6 MB in the beginning and 773.8 MB in the end (delta: 157.9 MB). Peak memory consumption was 254.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 863.82 ms. Allocated memory is still 1.0 GB. Free memory was 773.8 MB in the beginning and 705.7 MB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1620.04 ms. Allocated memory is still 1.0 GB. Free memory was 705.7 MB in the beginning and 872.1 MB in the end (delta: -166.4 MB). Peak memory consumption was 92.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...