./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/Problem04_label52.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 a8bea26189092fbe95e536558402b40a88312d08 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem04_label52.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 a8bea26189092fbe95e536558402b40a88312d08 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:41:46,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:41:46,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:41:46,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:41:46,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:41:46,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:41:46,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:41:46,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:41:46,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:41:46,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:41:46,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:41:46,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:41:46,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:41:46,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:41:46,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:41:46,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:41:46,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:41:46,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:41:46,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:41:46,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:41:46,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:41:46,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:41:46,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:41:46,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:41:46,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:41:46,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:41:46,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:41:46,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:41:46,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:41:46,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:41:46,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:41:46,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:41:46,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:41:46,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:41:46,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:41:46,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:41:46,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:41:46,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:41:46,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:41:46,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:41:46,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:41:46,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:41:46,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:41:46,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:41:46,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:41:46,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:41:46,233 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:41:46,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:41:46,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:41:46,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:41:46,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:41:46,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:41:46,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:41:46,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:41:46,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:41:46,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:41:46,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:41:46,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:41:46,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:41:46,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:41:46,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:41:46,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:41:46,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:41:46,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:41:46,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:41:46,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:41:46,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:41:46,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:41:46,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:41:46,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:41:46,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:41:46,250 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 -> a8bea26189092fbe95e536558402b40a88312d08 [2019-11-24 20:41:46,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:41:46,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:41:46,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:41:46,981 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:41:46,982 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:41:46,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2019-11-24 20:41:47,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f228036ee/e665cb3b96414091ad1aca66f912ac7d/FLAGee47c08ee [2019-11-24 20:41:48,830 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:41:48,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2019-11-24 20:41:48,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f228036ee/e665cb3b96414091ad1aca66f912ac7d/FLAGee47c08ee [2019-11-24 20:41:49,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f228036ee/e665cb3b96414091ad1aca66f912ac7d [2019-11-24 20:41:49,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:41:49,336 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:41:49,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:49,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:41:49,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:41:49,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:49" (1/1) ... [2019-11-24 20:41:49,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65aa4a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:49, skipping insertion in model container [2019-11-24 20:41:49,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:49" (1/1) ... [2019-11-24 20:41:49,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:41:49,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:41:52,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:52,611 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:41:54,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:54,087 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:41:54,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54 WrapperNode [2019-11-24 20:41:54,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:54,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:54,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:41:54,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:41:54,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54" (1/1) ... [2019-11-24 20:41:54,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54" (1/1) ... [2019-11-24 20:41:54,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:54,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:41:54,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:41:54,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:41:54,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54" (1/1) ... [2019-11-24 20:41:54,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54" (1/1) ... [2019-11-24 20:41:54,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54" (1/1) ... [2019-11-24 20:41:54,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54" (1/1) ... [2019-11-24 20:41:54,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54" (1/1) ... [2019-11-24 20:41:54,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54" (1/1) ... [2019-11-24 20:41:54,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:54" (1/1) ... [2019-11-24 20:41:55,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:41:55,060 INFO L168 Benchmark]: Toolchain (without parser) took 5719.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 764.7 MB in the end (delta: 178.4 MB). Peak memory consumption was 178.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:55,063 INFO L168 Benchmark]: CDTParser took 0.98 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. [2019-11-24 20:41:55,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4743.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 833.4 MB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:55,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 495.22 ms. Allocated memory is still 1.0 GB. Free memory was 833.4 MB in the beginning and 793.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:55,074 INFO L168 Benchmark]: Boogie Preprocessor took 466.37 ms. Allocated memory is still 1.0 GB. Free memory was 793.3 MB in the beginning and 764.7 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:55,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 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 4743.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 833.4 MB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 495.22 ms. Allocated memory is still 1.0 GB. Free memory was 833.4 MB in the beginning and 793.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 466.37 ms. Allocated memory is still 1.0 GB. Free memory was 793.3 MB in the beginning and 764.7 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 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 0.1.24-32f2683 [2019-11-24 20:41:59,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:41:59,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:41:59,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:41:59,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:41:59,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:41:59,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:41:59,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:41:59,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:41:59,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:41:59,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:41:59,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:41:59,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:41:59,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:41:59,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:41:59,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:41:59,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:41:59,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:41:59,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:41:59,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:41:59,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:41:59,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:41:59,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:41:59,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:41:59,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:41:59,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:41:59,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:41:59,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:41:59,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:41:59,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:41:59,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:41:59,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:41:59,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:41:59,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:41:59,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:41:59,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:41:59,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:41:59,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:41:59,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:41:59,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:41:59,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:41:59,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:41:59,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:41:59,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:41:59,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:41:59,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:41:59,692 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:41:59,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:41:59,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:41:59,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:41:59,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:41:59,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:41:59,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:41:59,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:41:59,698 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:41:59,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:41:59,699 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:41:59,699 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:41:59,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:41:59,699 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:41:59,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:41:59,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:41:59,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:41:59,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:41:59,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:41:59,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:41:59,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:41:59,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:41:59,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:41:59,705 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:41:59,706 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:41:59,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:41:59,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:41:59,710 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 -> a8bea26189092fbe95e536558402b40a88312d08 [2019-11-24 20:42:00,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:42:00,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:42:00,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:42:00,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:42:00,327 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:42:00,328 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2019-11-24 20:42:00,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd4eef98/72a8bca9c8934c30ac374bd8479bb857/FLAGbe7bc7135 [2019-11-24 20:42:02,135 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:42:02,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2019-11-24 20:42:02,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd4eef98/72a8bca9c8934c30ac374bd8479bb857/FLAGbe7bc7135 [2019-11-24 20:42:02,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd4eef98/72a8bca9c8934c30ac374bd8479bb857 [2019-11-24 20:42:02,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:42:02,274 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:42:02,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:42:02,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:42:02,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:42:02,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:42:02" (1/1) ... [2019-11-24 20:42:02,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68b475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:02, skipping insertion in model container [2019-11-24 20:42:02,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:42:02" (1/1) ... [2019-11-24 20:42:02,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:42:02,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:42:05,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:42:05,733 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:42:07,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:42:07,410 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:42:07,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07 WrapperNode [2019-11-24 20:42:07,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:42:07,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:42:07,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:42:07,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:42:07,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07" (1/1) ... [2019-11-24 20:42:07,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07" (1/1) ... [2019-11-24 20:42:07,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:42:07,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:42:07,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:42:07,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:42:07,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07" (1/1) ... [2019-11-24 20:42:07,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07" (1/1) ... [2019-11-24 20:42:07,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07" (1/1) ... [2019-11-24 20:42:07,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07" (1/1) ... [2019-11-24 20:42:08,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07" (1/1) ... [2019-11-24 20:42:08,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07" (1/1) ... [2019-11-24 20:42:08,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:42:07" (1/1) ... [2019-11-24 20:42:08,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:42:08,428 INFO L168 Benchmark]: Toolchain (without parser) took 6150.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 734.2 MB in the end (delta: 210.3 MB). Peak memory consumption was 210.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:42:08,429 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:42:08,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5133.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 797.5 MB in the end (delta: 147.0 MB). Peak memory consumption was 147.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:42:08,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 504.45 ms. Allocated memory is still 1.0 GB. Free memory was 797.5 MB in the beginning and 762.9 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:42:08,440 INFO L168 Benchmark]: Boogie Preprocessor took 504.69 ms. Allocated memory is still 1.0 GB. Free memory was 762.9 MB in the beginning and 734.2 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:42:08,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5133.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 797.5 MB in the end (delta: 147.0 MB). Peak memory consumption was 147.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 504.45 ms. Allocated memory is still 1.0 GB. Free memory was 797.5 MB in the beginning and 762.9 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 504.69 ms. Allocated memory is still 1.0 GB. Free memory was 762.9 MB in the beginning and 734.2 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...