./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label36.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem04_label36.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 981ffbd43829c0d492e9062842c846185cdb9008 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label36.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 981ffbd43829c0d492e9062842c846185cdb9008 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:35:39,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:35:39,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:35:39,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:35:39,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:35:39,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:35:39,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:35:39,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:35:39,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:35:39,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:35:39,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:35:39,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:35:39,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:35:39,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:35:39,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:35:39,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:35:39,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:35:39,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:35:39,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:35:39,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:35:39,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:35:39,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:35:39,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:35:39,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:35:39,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:35:39,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:35:39,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:35:39,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:35:39,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:35:39,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:35:39,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:35:39,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:35:39,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:35:39,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:35:39,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:35:39,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:35:39,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:35:39,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:35:39,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:35:39,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:35:39,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:35:39,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:35:39,955 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:35:39,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:35:39,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:35:39,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:35:39,962 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:35:39,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:35:39,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:35:39,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:35:39,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:35:39,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:35:39,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:35:39,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:35:39,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:35:39,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:35:39,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:35:39,973 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:35:39,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:35:39,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:35:39,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:35:39,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:35:39,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:35:39,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:35:39,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:35:39,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:35:39,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:35:39,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:35:39,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:35:39,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:35:39,979 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 -> 981ffbd43829c0d492e9062842c846185cdb9008 [2019-11-26 16:35:40,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:35:40,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:35:40,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:35:40,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:35:40,603 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:35:40,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label36.c [2019-11-26 16:35:40,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560995fb3/465f7e7d039a41c48dda7b9e85d2bbc4/FLAG3c8e2d13f [2019-11-26 16:35:42,487 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:35:42,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label36.c [2019-11-26 16:35:42,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560995fb3/465f7e7d039a41c48dda7b9e85d2bbc4/FLAG3c8e2d13f [2019-11-26 16:35:42,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560995fb3/465f7e7d039a41c48dda7b9e85d2bbc4 [2019-11-26 16:35:42,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:35:42,617 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:35:42,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:35:42,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:35:42,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:35:42,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:35:42" (1/1) ... [2019-11-26 16:35:42,640 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 26.11 04:35:42, skipping insertion in model container [2019-11-26 16:35:42,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:35:42" (1/1) ... [2019-11-26 16:35:42,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:35:42,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:35:45,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:35:45,929 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:35:47,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:35:47,633 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:35:47,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47 WrapperNode [2019-11-26 16:35:47,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:35:47,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:35:47,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:35:47,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:35:47,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47" (1/1) ... [2019-11-26 16:35:47,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47" (1/1) ... [2019-11-26 16:35:48,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:35:48,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:35:48,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:35:48,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:35:48,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47" (1/1) ... [2019-11-26 16:35:48,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47" (1/1) ... [2019-11-26 16:35:48,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47" (1/1) ... [2019-11-26 16:35:48,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47" (1/1) ... [2019-11-26 16:35:48,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47" (1/1) ... [2019-11-26 16:35:48,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47" (1/1) ... [2019-11-26 16:35:48,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:47" (1/1) ... [2019-11-26 16:35:48,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:35:48,652 INFO L168 Benchmark]: Toolchain (without parser) took 6029.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 745.8 MB in the end (delta: 204.5 MB). Peak memory consumption was 204.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:35:48,653 INFO L168 Benchmark]: CDTParser took 2.57 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:35:48,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5022.19 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 814.6 MB in the end (delta: 135.6 MB). Peak memory consumption was 135.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:35:48,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 533.10 ms. Allocated memory is still 1.0 GB. Free memory was 814.6 MB in the beginning and 774.5 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:35:48,664 INFO L168 Benchmark]: Boogie Preprocessor took 467.56 ms. Allocated memory is still 1.0 GB. Free memory was 774.5 MB in the beginning and 745.8 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:35:48,677 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.57 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5022.19 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 814.6 MB in the end (delta: 135.6 MB). Peak memory consumption was 135.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 533.10 ms. Allocated memory is still 1.0 GB. Free memory was 814.6 MB in the beginning and 774.5 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 467.56 ms. Allocated memory is still 1.0 GB. Free memory was 774.5 MB in the beginning and 745.8 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:35:52,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:35:52,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:35:52,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:35:52,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:35:52,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:35:52,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:35:52,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:35:52,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:35:52,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:35:52,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:35:52,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:35:52,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:35:52,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:35:52,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:35:52,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:35:52,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:35:52,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:35:52,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:35:52,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:35:52,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:35:52,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:35:52,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:35:52,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:35:52,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:35:52,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:35:52,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:35:52,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:35:52,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:35:52,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:35:52,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:35:52,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:35:52,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:35:52,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:35:52,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:35:52,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:35:52,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:35:52,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:35:52,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:35:52,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:35:52,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:35:52,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:35:52,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:35:52,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:35:52,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:35:52,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:35:52,948 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:35:52,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:35:52,949 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:35:52,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:35:52,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:35:52,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:35:52,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:35:52,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:35:52,955 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:35:52,955 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:35:52,956 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:35:52,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:35:52,956 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:35:52,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:35:52,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:35:52,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:35:52,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:35:52,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:35:52,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:35:52,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:35:52,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:35:52,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:35:52,962 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:35:52,965 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:35:52,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:35:52,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:35:52,967 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 -> 981ffbd43829c0d492e9062842c846185cdb9008 [2019-11-26 16:35:53,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:35:53,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:35:53,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:35:53,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:35:53,546 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:35:53,549 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label36.c [2019-11-26 16:35:53,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9df8962d/037455b3aa2341909ab45b4ca999f89d/FLAGa8a0bcdcd [2019-11-26 16:35:55,381 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:35:55,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label36.c [2019-11-26 16:35:55,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9df8962d/037455b3aa2341909ab45b4ca999f89d/FLAGa8a0bcdcd [2019-11-26 16:35:55,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9df8962d/037455b3aa2341909ab45b4ca999f89d [2019-11-26 16:35:55,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:35:55,502 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:35:55,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:35:55,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:35:55,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:35:55,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:35:55" (1/1) ... [2019-11-26 16:35:55,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:55, skipping insertion in model container [2019-11-26 16:35:55,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:35:55" (1/1) ... [2019-11-26 16:35:55,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:35:55,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:35:59,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:35:59,296 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:36:00,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:36:00,839 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:36:00,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00 WrapperNode [2019-11-26 16:36:00,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:36:00,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:36:00,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:36:00,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:36:00,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00" (1/1) ... [2019-11-26 16:36:00,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00" (1/1) ... [2019-11-26 16:36:01,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:36:01,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:36:01,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:36:01,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:36:01,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00" (1/1) ... [2019-11-26 16:36:01,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00" (1/1) ... [2019-11-26 16:36:01,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00" (1/1) ... [2019-11-26 16:36:01,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00" (1/1) ... [2019-11-26 16:36:01,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00" (1/1) ... [2019-11-26 16:36:01,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00" (1/1) ... [2019-11-26 16:36:01,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:00" (1/1) ... [2019-11-26 16:36:01,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:36:01,896 INFO L168 Benchmark]: Toolchain (without parser) took 6389.76 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 733.1 MB in the end (delta: 211.4 MB). Peak memory consumption was 211.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:36:01,898 INFO L168 Benchmark]: CDTParser took 1.53 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. [2019-11-26 16:36:01,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5338.78 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 803.3 MB in the end (delta: 141.2 MB). Peak memory consumption was 141.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:36:01,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 538.15 ms. Allocated memory is still 1.0 GB. Free memory was 803.3 MB in the beginning and 763.2 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:36:01,908 INFO L168 Benchmark]: Boogie Preprocessor took 499.43 ms. Allocated memory is still 1.0 GB. Free memory was 763.2 MB in the beginning and 733.1 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:36:01,917 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 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 5338.78 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 803.3 MB in the end (delta: 141.2 MB). Peak memory consumption was 141.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 538.15 ms. Allocated memory is still 1.0 GB. Free memory was 803.3 MB in the beginning and 763.2 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 499.43 ms. Allocated memory is still 1.0 GB. Free memory was 763.2 MB in the beginning and 733.1 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...