./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/Problem17_label41.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 629a9f5a301d91765ef653fcbff1dcb4386e9722 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem17_label41.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 629a9f5a301d91765ef653fcbff1dcb4386e9722 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:37:50,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:37:50,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:37:50,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:37:50,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:37:50,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:37:50,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:37:50,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:37:50,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:37:50,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:37:50,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:37:50,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:37:50,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:37:50,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:37:50,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:37:50,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:37:50,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:37:50,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:37:50,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:37:50,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:37:50,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:37:50,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:37:50,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:37:50,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:37:50,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:37:50,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:37:50,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:37:50,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:37:50,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:37:50,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:37:50,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:37:50,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:37:50,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:37:50,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:37:50,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:37:50,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:37:50,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:37:50,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:37:50,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:37:50,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:37:50,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:37:50,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:37:50,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:37:50,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:37:50,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:37:50,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:37:50,252 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:37:50,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:37:50,252 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:37:50,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:37:50,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:37:50,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:37:50,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:37:50,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:37:50,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:37:50,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:37:50,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:37:50,258 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:37:50,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:37:50,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:37:50,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:37:50,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:37:50,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:37:50,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:37:50,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:37:50,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:37:50,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:37:50,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:37:50,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:37:50,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:37:50,264 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 -> 629a9f5a301d91765ef653fcbff1dcb4386e9722 [2019-11-27 09:37:50,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:37:50,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:37:50,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:37:50,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:37:50,849 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:37:50,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label41.c [2019-11-27 09:37:51,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b5c36f74/718217bffe394868afda6cbc70069441/FLAG7767009e6 [2019-11-27 09:37:52,497 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:37:52,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label41.c [2019-11-27 09:37:52,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b5c36f74/718217bffe394868afda6cbc70069441/FLAG7767009e6 [2019-11-27 09:37:52,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b5c36f74/718217bffe394868afda6cbc70069441 [2019-11-27 09:37:52,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:37:52,602 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:37:52,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:52,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:37:52,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:37:52,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:52" (1/1) ... [2019-11-27 09:37:52,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:52, skipping insertion in model container [2019-11-27 09:37:52,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:52" (1/1) ... [2019-11-27 09:37:52,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:37:52,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:37:54,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:54,982 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:37:55,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:55,917 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:37:55,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55 WrapperNode [2019-11-27 09:37:55,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:55,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:55,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:37:55,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:37:55,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55" (1/1) ... [2019-11-27 09:37:56,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55" (1/1) ... [2019-11-27 09:37:56,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:56,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:37:56,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:37:56,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:37:56,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55" (1/1) ... [2019-11-27 09:37:56,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55" (1/1) ... [2019-11-27 09:37:56,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55" (1/1) ... [2019-11-27 09:37:56,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55" (1/1) ... [2019-11-27 09:37:57,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55" (1/1) ... [2019-11-27 09:37:57,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55" (1/1) ... [2019-11-27 09:37:57,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:55" (1/1) ... [2019-11-27 09:37:57,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:37:57,403 INFO L168 Benchmark]: Toolchain (without parser) took 4795.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 781.5 MB in the end (delta: 174.5 MB). Peak memory consumption was 174.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:57,405 INFO L168 Benchmark]: CDTParser took 0.35 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 09:37:57,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3316.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.8 MB in the end (delta: 76.4 MB). Peak memory consumption was 76.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:57,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 688.62 ms. Allocated memory is still 1.0 GB. Free memory was 873.8 MB in the beginning and 810.8 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:57,417 INFO L168 Benchmark]: Boogie Preprocessor took 783.52 ms. Allocated memory is still 1.0 GB. Free memory was 810.8 MB in the beginning and 781.5 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:57,429 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 3316.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.8 MB in the end (delta: 76.4 MB). Peak memory consumption was 76.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 688.62 ms. Allocated memory is still 1.0 GB. Free memory was 873.8 MB in the beginning and 810.8 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 783.52 ms. Allocated memory is still 1.0 GB. Free memory was 810.8 MB in the beginning and 781.5 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 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-da95e15 [2019-11-27 09:38:01,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:01,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:01,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:01,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:01,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:01,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:01,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:01,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:01,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:01,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:01,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:01,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:01,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:01,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:01,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:01,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:01,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:01,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:01,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:01,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:01,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:01,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:01,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:01,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:01,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:01,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:01,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:01,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:01,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:01,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:01,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:01,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:01,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:01,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:01,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:01,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:01,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:01,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:01,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:01,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:01,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:38:01,561 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:01,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:01,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:01,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:01,573 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:01,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:01,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:01,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:01,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:01,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:01,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:01,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:01,579 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:38:01,579 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:38:01,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:01,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:01,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:01,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:01,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:01,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:01,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:01,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:01,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:01,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:01,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:01,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:01,586 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:38:01,586 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:38:01,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:01,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:38:01,589 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 -> 629a9f5a301d91765ef653fcbff1dcb4386e9722 [2019-11-27 09:38:02,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:02,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:02,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:02,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:02,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:02,248 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label41.c [2019-11-27 09:38:02,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de7213199/f214a52bd504437785b1100999e20ec8/FLAG548eab5fc [2019-11-27 09:38:03,954 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:03,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label41.c [2019-11-27 09:38:04,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de7213199/f214a52bd504437785b1100999e20ec8/FLAG548eab5fc [2019-11-27 09:38:04,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de7213199/f214a52bd504437785b1100999e20ec8 [2019-11-27 09:38:04,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:04,079 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:04,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:04,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:04,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:04,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:04" (1/1) ... [2019-11-27 09:38:04,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10db85b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:04, skipping insertion in model container [2019-11-27 09:38:04,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:04" (1/1) ... [2019-11-27 09:38:04,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:04,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:06,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:06,856 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:07,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:07,900 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:07,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07 WrapperNode [2019-11-27 09:38:07,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:07,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:07,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:07,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:07,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07" (1/1) ... [2019-11-27 09:38:08,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07" (1/1) ... [2019-11-27 09:38:08,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:08,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:08,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:08,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:08,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07" (1/1) ... [2019-11-27 09:38:08,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07" (1/1) ... [2019-11-27 09:38:08,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07" (1/1) ... [2019-11-27 09:38:08,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07" (1/1) ... [2019-11-27 09:38:08,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07" (1/1) ... [2019-11-27 09:38:08,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07" (1/1) ... [2019-11-27 09:38:08,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:07" (1/1) ... [2019-11-27 09:38:08,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:08,699 INFO L168 Benchmark]: Toolchain (without parser) took 4614.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 802.6 MB in the end (delta: 153.2 MB). Peak memory consumption was 153.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:08,700 INFO L168 Benchmark]: CDTParser took 0.33 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 09:38:08,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3824.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 842.8 MB in the end (delta: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:08,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 386.87 ms. Allocated memory is still 1.0 GB. Free memory was 842.8 MB in the beginning and 819.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:08,710 INFO L168 Benchmark]: Boogie Preprocessor took 397.41 ms. Allocated memory is still 1.0 GB. Free memory was 819.9 MB in the beginning and 802.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:08,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 3824.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 842.8 MB in the end (delta: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 386.87 ms. Allocated memory is still 1.0 GB. Free memory was 842.8 MB in the beginning and 819.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 397.41 ms. Allocated memory is still 1.0 GB. Free memory was 819.9 MB in the beginning and 802.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...