./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label16.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/Problem16_label16.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 5985a693844a745b17f53ac09178823316d8edff ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem16_label16.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 5985a693844a745b17f53ac09178823316d8edff .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:49:35,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:49:35,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:49:35,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:49:35,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:49:35,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:49:35,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:49:36,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:49:36,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:49:36,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:49:36,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:49:36,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:49:36,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:49:36,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:49:36,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:49:36,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:49:36,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:49:36,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:49:36,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:49:36,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:49:36,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:49:36,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:49:36,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:49:36,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:49:36,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:49:36,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:49:36,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:49:36,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:49:36,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:49:36,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:49:36,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:49:36,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:49:36,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:49:36,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:49:36,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:49:36,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:49:36,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:49:36,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:49:36,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:49:36,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:49:36,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:49:36,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:49:36,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:49:36,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:49:36,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:49:36,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:49:36,179 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:49:36,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:49:36,181 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:49:36,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:49:36,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:49:36,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:49:36,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:49:36,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:49:36,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:49:36,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:49:36,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:49:36,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:49:36,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:49:36,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:49:36,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:49:36,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:49:36,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:49:36,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:49:36,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:49:36,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:49:36,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:49:36,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:49:36,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:49:36,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:49:36,195 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 -> 5985a693844a745b17f53ac09178823316d8edff [2019-11-26 16:49:36,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:49:36,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:49:36,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:49:36,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:49:36,842 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:49:36,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2019-11-26 16:49:37,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1c2edb3/aa0154326df14a0094b2c35cedb7d77f/FLAGfa73458e9 [2019-11-26 16:49:38,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:49:38,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2019-11-26 16:49:38,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1c2edb3/aa0154326df14a0094b2c35cedb7d77f/FLAGfa73458e9 [2019-11-26 16:49:38,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1c2edb3/aa0154326df14a0094b2c35cedb7d77f [2019-11-26 16:49:38,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:49:38,402 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:49:38,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:38,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:49:38,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:49:38,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:38" (1/1) ... [2019-11-26 16:49:38,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:38, skipping insertion in model container [2019-11-26 16:49:38,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:38" (1/1) ... [2019-11-26 16:49:38,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:49:38,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:49:40,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:40,466 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:49:41,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:41,457 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:49:41,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41 WrapperNode [2019-11-26 16:49:41,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:41,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:41,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:49:41,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:49:41,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41" (1/1) ... [2019-11-26 16:49:41,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41" (1/1) ... [2019-11-26 16:49:41,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:41,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:49:41,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:49:41,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:49:41,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41" (1/1) ... [2019-11-26 16:49:41,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41" (1/1) ... [2019-11-26 16:49:41,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41" (1/1) ... [2019-11-26 16:49:41,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41" (1/1) ... [2019-11-26 16:49:41,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41" (1/1) ... [2019-11-26 16:49:42,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41" (1/1) ... [2019-11-26 16:49:42,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:41" (1/1) ... [2019-11-26 16:49:42,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:49:42,184 INFO L168 Benchmark]: Toolchain (without parser) took 3778.02 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 892.3 MB in the end (delta: 69.4 MB). Peak memory consumption was 69.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:42,187 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:49:42,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3056.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:42,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 328.30 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 909.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:42,195 INFO L168 Benchmark]: Boogie Preprocessor took 378.88 ms. Allocated memory is still 1.0 GB. Free memory was 909.7 MB in the beginning and 892.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:42,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 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 3056.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 328.30 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 909.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 378.88 ms. Allocated memory is still 1.0 GB. Free memory was 909.7 MB in the beginning and 892.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:49:46,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:49:46,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:49:46,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:49:46,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:49:46,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:49:46,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:49:46,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:49:46,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:49:46,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:49:46,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:49:46,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:49:46,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:49:46,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:49:46,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:49:46,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:49:46,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:49:46,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:49:46,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:49:46,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:49:46,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:49:46,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:49:46,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:49:46,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:49:46,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:49:46,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:49:46,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:49:46,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:49:46,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:49:46,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:49:46,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:49:46,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:49:46,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:49:46,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:49:46,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:49:46,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:49:46,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:49:46,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:49:46,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:49:46,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:49:46,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:49:46,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:49:46,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:49:46,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:49:46,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:49:46,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:49:46,248 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:49:46,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:49:46,250 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:49:46,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:49:46,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:49:46,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:49:46,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:49:46,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:49:46,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:49:46,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:49:46,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:49:46,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:49:46,258 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:49:46,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:49:46,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:49:46,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:49:46,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:49:46,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:49:46,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:49:46,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:49:46,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:49:46,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:49:46,265 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:49:46,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:49:46,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:49:46,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:49:46,267 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 -> 5985a693844a745b17f53ac09178823316d8edff [2019-11-26 16:49:46,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:49:46,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:49:46,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:49:46,931 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:49:46,934 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:49:46,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2019-11-26 16:49:47,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55d6b22a/66440f6536174806998c3ae9844b6028/FLAG08c0569e8 [2019-11-26 16:49:48,586 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:49:48,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2019-11-26 16:49:48,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55d6b22a/66440f6536174806998c3ae9844b6028/FLAG08c0569e8 [2019-11-26 16:49:48,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55d6b22a/66440f6536174806998c3ae9844b6028 [2019-11-26 16:49:48,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:49:48,681 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:49:48,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:48,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:49:48,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:49:48,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:48" (1/1) ... [2019-11-26 16:49:48,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:48, skipping insertion in model container [2019-11-26 16:49:48,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:49:48" (1/1) ... [2019-11-26 16:49:48,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:49:48,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:49:50,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:50,775 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:49:51,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:49:51,331 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:49:51,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51 WrapperNode [2019-11-26 16:49:51,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:49:51,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:51,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:49:51,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:49:51,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:49:51,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:49:51,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:49:51,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:49:51,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:49:51" (1/1) ... [2019-11-26 16:49:51,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:49:51,784 INFO L168 Benchmark]: Toolchain (without parser) took 3098.62 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 892.6 MB in the end (delta: 67.6 MB). Peak memory consumption was 67.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:51,786 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. [2019-11-26 16:49:51,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2650.71 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 915.5 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:51,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 217.34 ms. Allocated memory is still 1.0 GB. Free memory was 915.5 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:51,794 INFO L168 Benchmark]: Boogie Preprocessor took 222.66 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:49:51,806 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 2650.71 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 915.5 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 217.34 ms. Allocated memory is still 1.0 GB. Free memory was 915.5 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 222.66 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...