./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem19_label52.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/Problem19_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 500828ecde38fbca919d1f4b9ce026d3f44ed06f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem19_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 500828ecde38fbca919d1f4b9ce026d3f44ed06f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:01:35,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:01:35,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:01:35,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:01:35,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:01:35,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:01:35,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:01:35,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:01:35,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:01:35,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:01:35,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:01:35,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:01:35,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:01:35,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:01:35,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:01:35,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:01:35,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:01:35,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:01:35,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:01:35,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:01:35,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:01:35,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:01:35,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:01:35,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:01:35,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:01:35,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:01:35,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:01:35,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:01:35,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:01:35,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:01:35,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:01:35,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:01:35,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:01:35,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:01:35,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:01:35,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:01:35,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:01:35,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:01:35,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:01:35,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:01:35,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:01:35,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:01:35,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:01:35,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:01:35,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:01:35,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:01:35,937 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:01:35,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:01:35,938 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:01:35,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:01:35,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:01:35,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:01:35,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:01:35,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:01:35,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:01:35,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:01:35,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:01:35,946 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:01:35,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:01:35,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:01:35,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:01:35,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:01:35,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:01:35,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:01:35,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:01:35,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:01:35,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:01:35,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:01:35,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:01:35,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:01:35,953 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 -> 500828ecde38fbca919d1f4b9ce026d3f44ed06f [2019-11-27 16:01:36,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:01:36,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:01:36,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:01:36,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:01:36,654 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:01:36,655 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label52.c [2019-11-27 16:01:36,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72778c457/cacbff11142244e0a905c387181a4a41/FLAGd380b0093 [2019-11-27 16:01:38,945 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:01:38,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label52.c [2019-11-27 16:01:39,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72778c457/cacbff11142244e0a905c387181a4a41/FLAGd380b0093 [2019-11-27 16:01:39,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72778c457/cacbff11142244e0a905c387181a4a41 [2019-11-27 16:01:39,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:01:39,145 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:01:39,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:39,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:01:39,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:01:39,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:39" (1/1) ... [2019-11-27 16:01:39,168 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 04:01:39, skipping insertion in model container [2019-11-27 16:01:39,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:39" (1/1) ... [2019-11-27 16:01:39,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:01:39,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:01:44,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:44,100 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:01:46,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:01:46,953 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:01:46,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46 WrapperNode [2019-11-27 16:01:46,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:46,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:46,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:01:46,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:01:46,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46" (1/1) ... [2019-11-27 16:01:47,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46" (1/1) ... [2019-11-27 16:01:48,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:01:48,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:01:48,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:01:48,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:01:48,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46" (1/1) ... [2019-11-27 16:01:48,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46" (1/1) ... [2019-11-27 16:01:48,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46" (1/1) ... [2019-11-27 16:01:48,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46" (1/1) ... [2019-11-27 16:01:50,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46" (1/1) ... [2019-11-27 16:01:50,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46" (1/1) ... [2019-11-27 16:01:50,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:46" (1/1) ... [2019-11-27 16:01:51,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:01:51,103 INFO L168 Benchmark]: Toolchain (without parser) took 11949.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 777.4 MB in the end (delta: 161.4 MB). Peak memory consumption was 396.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:51,106 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-27 16:01:51,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7809.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 874.9 MB in the end (delta: 63.9 MB). Peak memory consumption was 278.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:51,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 1610.64 ms. Allocated memory is still 1.0 GB. Free memory was 874.9 MB in the beginning and 705.4 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:51,118 INFO L168 Benchmark]: Boogie Preprocessor took 2523.13 ms. Allocated memory is still 1.0 GB. Free memory was 705.4 MB in the beginning and 777.4 MB in the end (delta: -72.0 MB). Peak memory consumption was 162.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:01:51,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 7809.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 874.9 MB in the end (delta: 63.9 MB). Peak memory consumption was 278.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1610.64 ms. Allocated memory is still 1.0 GB. Free memory was 874.9 MB in the beginning and 705.4 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2523.13 ms. Allocated memory is still 1.0 GB. Free memory was 705.4 MB in the beginning and 777.4 MB in the end (delta: -72.0 MB). Peak memory consumption was 162.9 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 16:01:55,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:01:55,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:01:55,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:01:55,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:01:55,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:01:55,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:01:55,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:01:55,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:01:55,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:01:55,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:01:55,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:01:55,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:01:55,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:01:55,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:01:55,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:01:55,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:01:55,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:01:55,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:01:55,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:01:55,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:01:55,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:01:55,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:01:55,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:01:55,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:01:55,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:01:55,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:01:55,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:01:55,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:01:55,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:01:55,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:01:55,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:01:55,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:01:55,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:01:55,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:01:55,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:01:55,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:01:55,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:01:55,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:01:55,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:01:55,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:01:55,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:01:55,583 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:01:55,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:01:55,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:01:55,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:01:55,589 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:01:55,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:01:55,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:01:55,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:01:55,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:01:55,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:01:55,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:01:55,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:01:55,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:01:55,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:01:55,599 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:01:55,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:01:55,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:01:55,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:01:55,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:01:55,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:01:55,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:01:55,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:01:55,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:01:55,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:01:55,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:01:55,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:01:55,608 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:01:55,608 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:01:55,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:01:55,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:01:55,611 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 -> 500828ecde38fbca919d1f4b9ce026d3f44ed06f [2019-11-27 16:01:56,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:01:56,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:01:56,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:01:56,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:01:56,227 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:01:56,229 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label52.c [2019-11-27 16:01:56,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d9bc7fd/6f23f49737ba4b5cb6a8f5414438adf7/FLAGd2a05ec53 [2019-11-27 16:01:58,401 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:01:58,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label52.c [2019-11-27 16:01:58,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d9bc7fd/6f23f49737ba4b5cb6a8f5414438adf7/FLAGd2a05ec53 [2019-11-27 16:01:58,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d9bc7fd/6f23f49737ba4b5cb6a8f5414438adf7 [2019-11-27 16:01:58,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:01:58,576 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:01:58,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:01:58,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:01:58,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:01:58,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:58" (1/1) ... [2019-11-27 16:01:58,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fae4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:01:58, skipping insertion in model container [2019-11-27 16:01:58,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:01:58" (1/1) ... [2019-11-27 16:01:58,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:01:59,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:02:03,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:02:04,007 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:02:07,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:02:07,129 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:02:07,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07 WrapperNode [2019-11-27 16:02:07,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:02:07,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:02:07,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:02:07,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:02:07,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07" (1/1) ... [2019-11-27 16:02:07,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07" (1/1) ... [2019-11-27 16:02:07,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:02:07,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:02:07,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:02:07,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:02:07,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07" (1/1) ... [2019-11-27 16:02:07,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07" (1/1) ... [2019-11-27 16:02:07,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07" (1/1) ... [2019-11-27 16:02:07,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07" (1/1) ... [2019-11-27 16:02:08,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07" (1/1) ... [2019-11-27 16:02:08,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07" (1/1) ... [2019-11-27 16:02:09,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:02:07" (1/1) ... [2019-11-27 16:02:09,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:02:09,107 INFO L168 Benchmark]: Toolchain (without parser) took 10529.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 863.0 MB in the end (delta: 70.0 MB). Peak memory consumption was 309.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:02:09,110 INFO L168 Benchmark]: CDTParser took 2.64 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 16:02:09,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8550.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 752.8 MB in the end (delta: 180.2 MB). Peak memory consumption was 253.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:02:09,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 689.84 ms. Allocated memory is still 1.0 GB. Free memory was 752.8 MB in the beginning and 688.1 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:02:09,117 INFO L168 Benchmark]: Boogie Preprocessor took 1277.70 ms. Allocated memory is still 1.0 GB. Free memory was 688.1 MB in the beginning and 863.0 MB in the end (delta: -174.9 MB). Peak memory consumption was 64.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:02:09,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.64 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 8550.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.0 MB in the beginning and 752.8 MB in the end (delta: 180.2 MB). Peak memory consumption was 253.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 689.84 ms. Allocated memory is still 1.0 GB. Free memory was 752.8 MB in the beginning and 688.1 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1277.70 ms. Allocated memory is still 1.0 GB. Free memory was 688.1 MB in the beginning and 863.0 MB in the end (delta: -174.9 MB). Peak memory consumption was 64.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...