./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label04.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_label04.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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label04.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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:42:52,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:52,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:52,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:52,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:52,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:52,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:52,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:52,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:52,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:52,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:52,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:52,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:52,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:52,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:52,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:52,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:52,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:52,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:52,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:52,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:52,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:52,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:52,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:52,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:52,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:52,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:52,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:52,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:52,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:52,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:52,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:52,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:52,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:52,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:52,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:52,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:52,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:52,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:52,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:52,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:52,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:42:52,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:53,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:53,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:53,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:53,007 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:53,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:53,008 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:53,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:42:53,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:53,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:53,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:53,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:53,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:53,015 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:53,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:53,016 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:53,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:53,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:53,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:53,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:53,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:53,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:53,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:53,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:53,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:53,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:42:53,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:42:53,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:53,025 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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2019-11-27 15:42:53,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:42:53,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:42:53,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:42:53,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:42:53,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:42:53,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-27 15:42:53,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d6679c0/0a3147f3e8f84823b7ca1269f17a8e1f/FLAG7ff10d99a [2019-11-27 15:42:55,061 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:42:55,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-27 15:42:55,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d6679c0/0a3147f3e8f84823b7ca1269f17a8e1f/FLAG7ff10d99a [2019-11-27 15:42:55,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d6679c0/0a3147f3e8f84823b7ca1269f17a8e1f [2019-11-27 15:42:55,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:42:55,156 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:42:55,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:55,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:42:55,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:42:55,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,180 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 03:42:55, skipping insertion in model container [2019-11-27 15:42:55,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,201 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 15:42:56,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:56,342 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:42:56,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:56,681 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:42:56,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56 WrapperNode [2019-11-27 15:42:56,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:56,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:56,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:42:56,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:42:56,708 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 15:42:56,761 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 15:42:56,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:56,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:42:56,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:42:56,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:42:56,950 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 15:42:56,950 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 15:42:56,976 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 15:42:56,976 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 15:42:57,045 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 15:42:57,079 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 15:42:57,101 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 15:42:57,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:42:57,139 INFO L168 Benchmark]: Toolchain (without parser) took 1980.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 960.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:57,147 INFO L168 Benchmark]: CDTParser took 0.40 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 15:42:57,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1529.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 971.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:57,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 236.98 ms. Allocated memory is still 1.0 GB. Free memory was 971.7 MB in the beginning and 966.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:57,156 INFO L168 Benchmark]: Boogie Preprocessor took 206.00 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 960.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:57,166 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1529.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 971.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 236.98 ms. Allocated memory is still 1.0 GB. Free memory was 971.7 MB in the beginning and 966.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 206.00 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 960.3 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 15:43:01,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:01,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:01,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:01,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:01,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:01,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:01,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:01,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:01,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:01,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:01,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:01,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:01,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:01,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:01,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:01,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:01,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:01,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:01,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:01,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:01,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:01,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:01,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:01,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:01,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:01,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:01,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:01,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:01,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:01,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:01,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:01,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:01,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:01,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:01,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:01,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:01,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:01,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:01,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:01,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:01,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:01,251 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:01,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:01,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:01,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:01,257 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:01,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:01,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:01,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:01,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:01,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:01,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:01,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:01,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:01,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:01,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:01,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:01,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:01,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:01,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:01,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:01,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:01,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:01,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:01,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:01,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:01,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:01,274 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:01,275 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:01,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:01,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:01,277 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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2019-11-27 15:43:01,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:01,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:01,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:01,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:01,985 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:01,987 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-27 15:43:02,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65af27de/b7a7c49948414527bf9830c7e64ec4f7/FLAGef2f6007f [2019-11-27 15:43:03,384 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:03,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-27 15:43:03,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65af27de/b7a7c49948414527bf9830c7e64ec4f7/FLAGef2f6007f [2019-11-27 15:43:03,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65af27de/b7a7c49948414527bf9830c7e64ec4f7 [2019-11-27 15:43:03,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:03,854 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:03,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:03,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:03,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:03,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf 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 15:43:03,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:04,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:05,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:05,099 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:05,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:05,354 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:05,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:05 WrapperNode [2019-11-27 15:43:05,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:05,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:05,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:05,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:05,369 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 15:43:05,399 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 15:43:05,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:05,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:05,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:05,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:05,538 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 15:43:05,539 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 15:43:05,560 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 15:43:05,562 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 15:43:05,633 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 15:43:05,660 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 15:43:05,681 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 15:43:05,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:05,714 INFO L168 Benchmark]: Toolchain (without parser) took 1858.01 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 972.5 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:05,715 INFO L168 Benchmark]: CDTParser took 1.16 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 15:43:05,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1497.30 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 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:05,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:05,722 INFO L168 Benchmark]: Boogie Preprocessor took 177.72 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:05,731 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 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 1497.30 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 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 164.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 177.72 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...