./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem16_label06.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 1f6d007ab635fe707ccef0cae1bb815e85b55b2b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_label06.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 1f6d007ab635fe707ccef0cae1bb815e85b55b2b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:58:29,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:58:29,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:58:29,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:58:29,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:58:29,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:58:29,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:58:29,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:58:29,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:58:29,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:58:29,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:58:29,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:58:29,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:58:29,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:58:29,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:58:29,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:58:29,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:58:29,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:58:29,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:58:29,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:58:29,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:58:29,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:58:29,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:58:29,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:58:29,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:58:29,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:58:29,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:58:29,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:58:29,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:58:29,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:58:29,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:58:29,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:58:29,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:58:29,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:58:29,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:58:29,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:58:29,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:58:29,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:58:29,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:58:29,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:58:29,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:58:29,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:58:29,983 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:58:29,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:58:29,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:58:29,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:58:29,990 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:58:29,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:58:29,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:58:29,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:58:29,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:58:29,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:58:29,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:58:29,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:58:29,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:58:29,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:58:29,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:58:29,999 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:58:29,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:58:30,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:58:30,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:58:30,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:58:30,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:58:30,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:58:30,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:58:30,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:58:30,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:58:30,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:58:30,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:58:30,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:58:30,009 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 -> 1f6d007ab635fe707ccef0cae1bb815e85b55b2b [2019-11-27 15:58:30,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:58:30,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:58:30,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:58:30,628 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:58:30,629 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:58:30,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label06.c [2019-11-27 15:58:30,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc4c8cfd/a6a14facc5df41c380a82a76ac2db136/FLAG96f037374 [2019-11-27 15:58:32,260 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:58:32,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label06.c [2019-11-27 15:58:32,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc4c8cfd/a6a14facc5df41c380a82a76ac2db136/FLAG96f037374 [2019-11-27 15:58:32,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc4c8cfd/a6a14facc5df41c380a82a76ac2db136 [2019-11-27 15:58:32,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:32,360 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:32,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:32,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:32,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:32,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:32" (1/1) ... [2019-11-27 15:58:32,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:32, skipping insertion in model container [2019-11-27 15:58:32,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:32" (1/1) ... [2019-11-27 15:58:32,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:32,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:58:34,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:34,258 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:58:34,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:34,843 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:58:34,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34 WrapperNode [2019-11-27 15:58:34,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:34,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:34,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:58:34,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:58:34,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34" (1/1) ... [2019-11-27 15:58:34,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34" (1/1) ... [2019-11-27 15:58:35,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:35,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:58:35,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:58:35,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:58:35,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34" (1/1) ... [2019-11-27 15:58:35,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34" (1/1) ... [2019-11-27 15:58:35,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34" (1/1) ... [2019-11-27 15:58:35,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34" (1/1) ... [2019-11-27 15:58:35,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34" (1/1) ... [2019-11-27 15:58:35,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34" (1/1) ... [2019-11-27 15:58:35,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:34" (1/1) ... [2019-11-27 15:58:35,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:58:35,567 INFO L168 Benchmark]: Toolchain (without parser) took 3199.75 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 892.3 MB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:35,571 INFO L168 Benchmark]: CDTParser took 1.81 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:58:35,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2477.63 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 932.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:35,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 344.55 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. [2019-11-27 15:58:35,580 INFO L168 Benchmark]: Boogie Preprocessor took 364.83 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:35,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81 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 2477.63 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 932.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 344.55 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 364.83 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:58:39,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:58:39,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:58:39,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:58:39,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:58:39,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:58:39,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:58:39,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:58:39,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:58:39,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:58:39,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:58:39,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:58:39,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:58:39,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:58:39,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:58:39,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:58:39,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:58:39,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:58:39,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:58:39,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:58:39,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:58:39,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:58:39,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:58:39,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:58:39,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:58:39,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:58:39,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:58:39,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:58:39,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:58:39,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:58:39,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:58:39,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:58:39,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:58:39,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:58:39,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:58:39,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:58:39,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:58:39,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:58:39,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:58:39,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:58:39,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:58:39,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:58:39,723 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:58:39,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:58:39,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:58:39,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:58:39,730 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:58:39,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:58:39,732 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:58:39,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:58:39,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:58:39,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:58:39,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:58:39,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:58:39,738 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:58:39,738 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:58:39,738 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:58:39,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:58:39,739 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:58:39,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:58:39,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:58:39,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:58:39,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:58:39,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:58:39,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:58:39,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:58:39,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:58:39,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:58:39,748 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:58:39,749 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:58:39,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:58:39,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:58:39,751 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 -> 1f6d007ab635fe707ccef0cae1bb815e85b55b2b [2019-11-27 15:58:40,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:58:40,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:58:40,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:58:40,399 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:58:40,402 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:58:40,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label06.c [2019-11-27 15:58:40,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3df19697b/0fe7546cc77d4f119379d9707f858248/FLAG83ea152f2 [2019-11-27 15:58:41,935 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:58:41,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label06.c [2019-11-27 15:58:41,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3df19697b/0fe7546cc77d4f119379d9707f858248/FLAG83ea152f2 [2019-11-27 15:58:42,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3df19697b/0fe7546cc77d4f119379d9707f858248 [2019-11-27 15:58:42,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:42,257 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:42,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:42,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:42,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:42,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:42" (1/1) ... [2019-11-27 15:58:42,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:42, skipping insertion in model container [2019-11-27 15:58:42,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:42" (1/1) ... [2019-11-27 15:58:42,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:42,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:58:44,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:44,340 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:58:44,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:44,960 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:58:44,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44 WrapperNode [2019-11-27 15:58:44,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:44,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:44,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:58:44,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:58:44,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44" (1/1) ... [2019-11-27 15:58:45,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44" (1/1) ... [2019-11-27 15:58:45,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:45,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:58:45,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:58:45,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:58:45,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44" (1/1) ... [2019-11-27 15:58:45,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44" (1/1) ... [2019-11-27 15:58:45,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44" (1/1) ... [2019-11-27 15:58:45,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44" (1/1) ... [2019-11-27 15:58:45,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44" (1/1) ... [2019-11-27 15:58:45,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44" (1/1) ... [2019-11-27 15:58:45,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:44" (1/1) ... [2019-11-27 15:58:45,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:58:45,492 INFO L168 Benchmark]: Toolchain (without parser) took 3231.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 907.9 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:45,493 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:58:45,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2700.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 925.0 MB in the end (delta: 32.4 MB). Peak memory consumption was 41.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:45,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 273.14 ms. Allocated memory is still 1.0 GB. Free memory was 925.0 MB in the beginning and 913.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:45,504 INFO L168 Benchmark]: Boogie Preprocessor took 245.59 ms. Allocated memory is still 1.0 GB. Free memory was 913.6 MB in the beginning and 907.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:45,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 2700.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 925.0 MB in the end (delta: 32.4 MB). Peak memory consumption was 41.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 273.14 ms. Allocated memory is still 1.0 GB. Free memory was 925.0 MB in the beginning and 913.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 245.59 ms. Allocated memory is still 1.0 GB. Free memory was 913.6 MB in the beginning and 907.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...