./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label20.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_label20.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 5360c3d4aebe9582cd01259f723ea710f280bf1f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label20.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 5360c3d4aebe9582cd01259f723ea710f280bf1f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:34:04,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:34:04,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:34:04,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:34:04,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:34:04,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:34:04,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:34:04,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:34:04,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:34:04,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:34:04,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:34:04,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:34:04,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:34:04,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:34:04,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:34:04,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:34:04,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:34:04,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:34:04,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:34:04,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:34:04,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:34:04,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:34:04,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:34:04,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:34:04,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:34:04,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:34:04,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:34:04,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:34:04,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:34:04,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:34:04,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:34:04,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:34:04,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:34:04,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:34:04,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:34:04,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:34:04,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:34:04,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:34:04,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:34:04,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:34:04,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:34:04,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:34:04,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:34:04,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:34:04,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:34:04,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:34:04,818 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:34:04,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:34:04,819 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:34:04,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:34:04,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:34:04,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:34:04,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:34:04,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:34:04,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:34:04,823 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:34:04,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:34:04,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:34:04,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:34:04,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:34:04,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:34:04,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:34:04,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:34:04,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:34:04,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:34:04,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:34:04,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:34:04,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:34:04,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:34:04,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:34:04,831 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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2019-11-26 16:34:05,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:34:05,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:34:05,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:34:05,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:34:05,283 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:34:05,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-26 16:34:05,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5015c0ffb/590ffa2096544aa6a79a4ab84986c70f/FLAG84baaaf9f [2019-11-26 16:34:06,254 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:34:06,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-26 16:34:06,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5015c0ffb/590ffa2096544aa6a79a4ab84986c70f/FLAG84baaaf9f [2019-11-26 16:34:06,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5015c0ffb/590ffa2096544aa6a79a4ab84986c70f [2019-11-26 16:34:06,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:34:06,426 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:34:06,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:06,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:34:06,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:34:06,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:06" (1/1) ... [2019-11-26 16:34:06,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:06, skipping insertion in model container [2019-11-26 16:34:06,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:06" (1/1) ... [2019-11-26 16:34:06,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:34:06,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:34:07,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:07,241 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:34:07,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:07,456 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:34:07,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07 WrapperNode [2019-11-26 16:34:07,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:07,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:07,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:34:07,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:34:07,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07" (1/1) ... [2019-11-26 16:34:07,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07" (1/1) ... [2019-11-26 16:34:07,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:07,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:34:07,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:34:07,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:34:07,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07" (1/1) ... [2019-11-26 16:34:07,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07" (1/1) ... [2019-11-26 16:34:07,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07" (1/1) ... [2019-11-26 16:34:07,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07" (1/1) ... [2019-11-26 16:34:07,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07" (1/1) ... [2019-11-26 16:34:07,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07" (1/1) ... [2019-11-26 16:34:07,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:07" (1/1) ... [2019-11-26 16:34:07,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:34:07,728 INFO L168 Benchmark]: Toolchain (without parser) took 1301.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 960.9 MB in the end (delta: -684.2 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:34:07,734 INFO L168 Benchmark]: CDTParser took 1.66 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 16:34:07,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1029.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:07,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.24 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:07,740 INFO L168 Benchmark]: Boogie Preprocessor took 138.02 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:34:07,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66 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 1029.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 124.24 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 138.02 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. 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 16:34:10,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:34:10,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:34:10,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:34:10,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:34:10,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:34:10,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:34:10,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:34:10,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:34:10,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:34:10,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:34:10,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:34:10,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:34:10,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:34:10,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:34:10,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:34:10,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:34:10,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:34:10,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:34:10,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:34:10,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:34:10,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:34:10,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:34:10,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:34:10,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:34:10,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:34:10,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:34:10,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:34:10,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:34:10,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:34:10,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:34:10,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:34:10,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:34:10,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:34:10,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:34:10,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:34:10,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:34:10,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:34:10,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:34:10,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:34:10,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:34:10,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:34:10,537 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:34:10,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:34:10,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:34:10,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:34:10,543 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:34:10,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:34:10,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:34:10,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:34:10,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:34:10,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:34:10,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:34:10,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:34:10,548 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:34:10,548 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:34:10,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:34:10,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:34:10,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:34:10,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:34:10,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:34:10,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:34:10,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:34:10,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:34:10,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:34:10,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:34:10,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:34:10,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:34:10,555 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:34:10,556 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:34:10,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:34:10,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:34:10,557 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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2019-11-26 16:34:10,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:34:10,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:34:10,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:34:10,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:34:10,957 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:34:10,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-26 16:34:11,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3cc1f168/3630278db01545998867eb3bca96ec2f/FLAGfe060a4ae [2019-11-26 16:34:11,915 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:34:11,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-26 16:34:11,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3cc1f168/3630278db01545998867eb3bca96ec2f/FLAGfe060a4ae [2019-11-26 16:34:12,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3cc1f168/3630278db01545998867eb3bca96ec2f [2019-11-26 16:34:12,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:34:12,101 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:34:12,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:12,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:34:12,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:34:12,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:12" (1/1) ... [2019-11-26 16:34:12,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:12, skipping insertion in model container [2019-11-26 16:34:12,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:34:12" (1/1) ... [2019-11-26 16:34:12,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:34:12,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:34:12,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:12,970 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:34:13,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:34:13,187 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:34:13,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13 WrapperNode [2019-11-26 16:34:13,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:34:13,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:13,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:34:13,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:34:13,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:13,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:13,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:34:13,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:34:13,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:34:13,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:34:13,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:13,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:13,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:13,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:13,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:13,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:13,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:34:13" (1/1) ... [2019-11-26 16:34:13,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:34:13,483 INFO L168 Benchmark]: Toolchain (without parser) took 1376.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 955.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:13,486 INFO L168 Benchmark]: CDTParser took 0.21 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 16:34:13,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1085.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.4 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:13,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.18 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:13,496 INFO L168 Benchmark]: Boogie Preprocessor took 139.64 ms. Allocated memory is still 1.0 GB. Free memory was 966.6 MB in the beginning and 955.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:34:13,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1085.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.4 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.18 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 139.64 ms. Allocated memory is still 1.0 GB. Free memory was 966.6 MB in the beginning and 955.2 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...