./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label02.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/Problem02_label02.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 79f8d22fb07c95427dd318f6d0f74f02d2c9197f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label02.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 79f8d22fb07c95427dd318f6d0f74f02d2c9197f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:42:52,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:52,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:52,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:52,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:52,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:52,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:52,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:52,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:52,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:52,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:52,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:52,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:52,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:52,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:52,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:52,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:52,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:52,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:52,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:52,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:52,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:52,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:52,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:52,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:52,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:52,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:52,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:52,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:52,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:52,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:52,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:52,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:52,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:52,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:52,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:52,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:52,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:52,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:52,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:52,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:52,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:42:52,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:52,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:52,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:52,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:52,888 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:52,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:52,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:52,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:42:52,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:52,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:52,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:52,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:52,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:52,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:52,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:52,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:52,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:52,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:52,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:52,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:52,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:52,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:52,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:52,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:52,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:52,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:42:52,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:42:52,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:52,903 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 -> 79f8d22fb07c95427dd318f6d0f74f02d2c9197f [2019-11-27 15:42:53,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:42:53,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:42:53,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:42:53,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:42:53,567 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:42:53,571 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2019-11-27 15:42:53,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e92acf31f/603b4f24d59b482694697ae4b4704f64/FLAG4b6367489 [2019-11-27 15:42:55,051 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:42:55,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2019-11-27 15:42:55,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e92acf31f/603b4f24d59b482694697ae4b4704f64/FLAG4b6367489 [2019-11-27 15:42:55,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e92acf31f/603b4f24d59b482694697ae4b4704f64 [2019-11-27 15:42:55,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:42:55,138 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:42:55,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:55,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:42:55,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:42:55,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,162 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 27.11 03:42:55, skipping insertion in model container [2019-11-27 15:42:55,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:42:55,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:42:56,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:56,374 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:42:56,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:56,716 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:42:56,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56 WrapperNode [2019-11-27 15:42:56,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:56,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:56,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:42:56,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:42:56,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:56,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:42:56,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:42:56,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:42:56,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:57,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:57,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:57,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:57,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:42:57,122 INFO L168 Benchmark]: Toolchain (without parser) took 1976.11 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 961.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:57,123 INFO L168 Benchmark]: CDTParser took 0.92 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. [2019-11-27 15:42:57,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1577.91 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 973.1 MB in the end (delta: -5.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:57,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.14 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:57,135 INFO L168 Benchmark]: Boogie Preprocessor took 192.05 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:57,149 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 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 1577.91 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 973.1 MB in the end (delta: -5.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 198.14 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.05 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:43:01,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:01,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:01,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:01,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:01,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:01,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:01,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:01,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:01,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:01,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:01,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:01,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:01,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:01,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:01,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:01,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:01,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:01,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:01,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:01,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:01,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:01,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:01,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:01,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:01,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:01,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:01,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:01,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:01,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:01,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:01,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:01,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:01,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:01,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:01,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:01,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:01,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:01,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:01,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:01,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:01,293 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:01,335 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:01,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:01,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:01,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:01,342 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:01,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:01,344 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:01,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:01,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:01,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:01,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:01,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:01,349 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:01,349 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:01,349 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:01,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:01,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:01,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:01,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:01,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:01,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:01,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:01,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:01,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:01,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:01,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:01,357 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:01,357 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:01,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:01,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:01,361 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 -> 79f8d22fb07c95427dd318f6d0f74f02d2c9197f [2019-11-27 15:43:01,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:02,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:02,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:02,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:02,018 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:02,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2019-11-27 15:43:02,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17149bba/1faac16046f74a68b302abbc930a72d9/FLAG02f0147b6 [2019-11-27 15:43:03,478 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:03,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2019-11-27 15:43:03,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17149bba/1faac16046f74a68b302abbc930a72d9/FLAG02f0147b6 [2019-11-27 15:43:03,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17149bba/1faac16046f74a68b302abbc930a72d9 [2019-11-27 15:43:03,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:03,572 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:03,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:03,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:03,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:03,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,601 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 27.11 03:43:03, skipping insertion in model container [2019-11-27 15:43:03,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:03,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:04,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:04,874 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:05,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:05,229 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:05,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05 WrapperNode [2019-11-27 15:43:05,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:05,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:05,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:05,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:05,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:05,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:05,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:05,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:05,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05" (1/1) ... [2019-11-27 15:43:05,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:05,649 INFO L168 Benchmark]: Toolchain (without parser) took 2068.76 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 960.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:05,656 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-27 15:43:05,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1650.34 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 966.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:05,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.78 ms. Allocated memory is still 1.0 GB. Free memory was 966.4 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:05,666 INFO L168 Benchmark]: Boogie Preprocessor took 203.56 ms. Allocated memory is still 1.0 GB. Free memory is still 960.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:05,677 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1650.34 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 966.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 201.78 ms. Allocated memory is still 1.0 GB. Free memory was 966.4 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 203.56 ms. Allocated memory is still 1.0 GB. Free memory is still 960.7 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...