./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be998c7f0ff858151615865f07914b789231e9b9 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be998c7f0ff858151615865f07914b789231e9b9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:04:42,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:42,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:42,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:42,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:42,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:42,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:42,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:42,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:42,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:42,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:42,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:42,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:42,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:42,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:42,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:42,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:42,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:42,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:42,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:42,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:42,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:42,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:42,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:42,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:42,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:42,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:42,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:42,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:42,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:42,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:42,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:42,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:42,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:42,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:42,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:42,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:42,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:42,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:42,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:42,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:42,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:04:43,008 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:43,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:43,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:43,010 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:43,010 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:43,010 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:43,010 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:04:43,011 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:43,011 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:43,011 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:04:43,011 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:04:43,011 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:43,012 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:04:43,012 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:04:43,012 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:04:43,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:43,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:43,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:04:43,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:43,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:43,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:43,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:43,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:43,015 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:43,015 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:43,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:43,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:43,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:43,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:43,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:43,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:43,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:43,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:43,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:43,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:43,018 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:04:43,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:04:43,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:43,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:43,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:43,019 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be998c7f0ff858151615865f07914b789231e9b9 [2020-11-22 13:04:43,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:43,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:43,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:43,285 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:43,286 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:43,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-11-22 13:04:43,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data/b64bac0f9/fb0df6a2df6f406791f9d2b4f5144965/FLAG920c3b74a [2020-11-22 13:04:43,846 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:43,847 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-11-22 13:04:43,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data/b64bac0f9/fb0df6a2df6f406791f9d2b4f5144965/FLAG920c3b74a [2020-11-22 13:04:44,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data/b64bac0f9/fb0df6a2df6f406791f9d2b4f5144965 [2020-11-22 13:04:44,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:44,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:44,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:44,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:44,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:44,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:44" (1/1) ... [2020-11-22 13:04:44,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192aab6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:44, skipping insertion in model container [2020-11-22 13:04:44,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:44" (1/1) ... [2020-11-22 13:04:44,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:44,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:44,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:44,552 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 13:04:44,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e7dd283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:44, skipping insertion in model container [2020-11-22 13:04:44,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:44,556 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:04:44,559 INFO L168 Benchmark]: Toolchain (without parser) took 380.46 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 60.5 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:44,560 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 44.6 MB in the beginning and 44.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:44,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.26 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 60.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:44,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 44.6 MB in the beginning and 44.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.26 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 60.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:04:46,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:46,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:46,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:46,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:46,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:46,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:46,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:46,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:46,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:46,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:46,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:46,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:46,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:46,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:46,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:46,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:46,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:46,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:46,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:46,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:46,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:46,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:46,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:46,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:46,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:46,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:46,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:46,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:46,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:46,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:46,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:46,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:46,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:46,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:46,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:46,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:46,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:46,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:46,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:46,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:46,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:04:46,976 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:46,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:46,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:46,979 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:46,979 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:46,979 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:46,979 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:46,980 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:46,980 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:46,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:46,983 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:46,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:46,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:46,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:46,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:46,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:46,984 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:46,984 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:04:46,985 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:04:46,985 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:46,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:46,985 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:46,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:46,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:46,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:04:46,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:46,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:46,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:46,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:47,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:47,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:47,000 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:04:47,000 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:04:47,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:47,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:47,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:47,001 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be998c7f0ff858151615865f07914b789231e9b9 [2020-11-22 13:04:47,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:47,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:47,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:47,346 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:47,347 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:47,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-11-22 13:04:47,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data/3d0e2475b/dee4ff78c6a84c8d935d808936bee9d0/FLAGd2626f782 [2020-11-22 13:04:48,072 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:48,072 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-11-22 13:04:48,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data/3d0e2475b/dee4ff78c6a84c8d935d808936bee9d0/FLAGd2626f782 [2020-11-22 13:04:48,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/data/3d0e2475b/dee4ff78c6a84c8d935d808936bee9d0 [2020-11-22 13:04:48,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:48,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:48,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:48,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:48,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:48,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:48" (1/1) ... [2020-11-22 13:04:48,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77614f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:48, skipping insertion in model container [2020-11-22 13:04:48,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:48" (1/1) ... [2020-11-22 13:04:48,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:48,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:48,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:48,774 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:04:48,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:48,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:48,870 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:04:48,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:49,004 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:04:49,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49 WrapperNode [2020-11-22 13:04:49,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:49,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:49,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:04:49,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:04:49,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:49,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:04:49,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:04:49,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:04:49,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:04:49,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:04:49,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:04:49,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:04:49,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:04:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:04:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:04:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:04:51,692 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:04:51,697 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-22 13:04:51,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:51 BoogieIcfgContainer [2020-11-22 13:04:51,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:04:51,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:04:51,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:04:51,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:04:51,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:04:48" (1/3) ... [2020-11-22 13:04:51,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275f6b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:51, skipping insertion in model container [2020-11-22 13:04:51,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49" (2/3) ... [2020-11-22 13:04:51,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275f6b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:51, skipping insertion in model container [2020-11-22 13:04:51,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:51" (3/3) ... [2020-11-22 13:04:51,708 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-11-22 13:04:51,718 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:04:51,722 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:04:51,733 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:04:51,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:04:51,755 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:04:51,755 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:04:51,755 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:04:51,756 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:04:51,756 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:04:51,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:04:51,756 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:04:51,776 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-22 13:04:51,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:04:51,780 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:51,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:51,781 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:51,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:51,785 INFO L82 PathProgramCache]: Analyzing trace with hash 944324404, now seen corresponding path program 1 times [2020-11-22 13:04:51,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:51,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156980776] [2020-11-22 13:04:51,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:52,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:04:52,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:52,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:52,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156980776] [2020-11-22 13:04:52,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:52,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:04:52,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105091193] [2020-11-22 13:04:52,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:04:52,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:52,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:04:52,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:04:52,101 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-22 13:04:52,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:52,143 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-22 13:04:52,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:04:52,145 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:04:52,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:52,153 INFO L225 Difference]: With dead ends: 151 [2020-11-22 13:04:52,154 INFO L226 Difference]: Without dead ends: 73 [2020-11-22 13:04:52,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:04:52,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-22 13:04:52,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-22 13:04:52,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-22 13:04:52,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-22 13:04:52,191 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-22 13:04:52,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:52,191 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-22 13:04:52,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:04:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-22 13:04:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:04:52,193 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:52,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:52,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:04:52,413 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:52,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:52,414 INFO L82 PathProgramCache]: Analyzing trace with hash -102432493, now seen corresponding path program 1 times [2020-11-22 13:04:52,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:52,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300022949] [2020-11-22 13:04:52,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:52,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:52,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:52,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:52,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300022949] [2020-11-22 13:04:52,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:52,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:04:52,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36869060] [2020-11-22 13:04:52,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:04:52,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:52,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:04:52,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:52,636 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2020-11-22 13:04:52,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:52,655 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-22 13:04:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:52,656 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:04:52,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:52,659 INFO L225 Difference]: With dead ends: 73 [2020-11-22 13:04:52,659 INFO L226 Difference]: Without dead ends: 35 [2020-11-22 13:04:52,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:52,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-22 13:04:52,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-22 13:04:52,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-22 13:04:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-22 13:04:52,670 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-22 13:04:52,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:52,673 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-22 13:04:52,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:04:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-22 13:04:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:04:52,675 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:52,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:52,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:04:52,888 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:52,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:52,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2020-11-22 13:04:52,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:52,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378030860] [2020-11-22 13:04:52,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:53,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:53,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:53,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:53,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378030860] [2020-11-22 13:04:53,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:53,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:04:53,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963398876] [2020-11-22 13:04:53,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:04:53,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:53,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:04:53,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:53,124 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-22 13:04:53,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:53,192 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2020-11-22 13:04:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:04:53,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:04:53,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:53,194 INFO L225 Difference]: With dead ends: 116 [2020-11-22 13:04:53,194 INFO L226 Difference]: Without dead ends: 87 [2020-11-22 13:04:53,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:53,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-22 13:04:53,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2020-11-22 13:04:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-22 13:04:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2020-11-22 13:04:53,206 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2020-11-22 13:04:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:53,207 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2020-11-22 13:04:53,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:04:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2020-11-22 13:04:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:04:53,208 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:53,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:53,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:04:53,425 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:53,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:53,425 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2020-11-22 13:04:53,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:53,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88439342] [2020-11-22 13:04:53,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:53,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:53,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:53,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:53,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88439342] [2020-11-22 13:04:53,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:53,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:04:53,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024984457] [2020-11-22 13:04:53,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:04:53,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:53,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:04:53,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:04:53,687 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2020-11-22 13:04:54,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:54,038 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2020-11-22 13:04:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:04:54,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-22 13:04:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:54,043 INFO L225 Difference]: With dead ends: 373 [2020-11-22 13:04:54,046 INFO L226 Difference]: Without dead ends: 325 [2020-11-22 13:04:54,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:04:54,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-11-22 13:04:54,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2020-11-22 13:04:54,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-22 13:04:54,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2020-11-22 13:04:54,099 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2020-11-22 13:04:54,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:54,099 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2020-11-22 13:04:54,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:04:54,099 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2020-11-22 13:04:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:04:54,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:54,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:54,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:04:54,321 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:54,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:54,321 INFO L82 PathProgramCache]: Analyzing trace with hash -746802105, now seen corresponding path program 1 times [2020-11-22 13:04:54,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:54,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094560253] [2020-11-22 13:04:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:54,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:54,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:54,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:54,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094560253] [2020-11-22 13:04:54,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:54,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:04:54,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685047969] [2020-11-22 13:04:54,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:04:54,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:54,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:04:54,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:54,557 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2020-11-22 13:04:56,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:56,028 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2020-11-22 13:04:56,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:56,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 13:04:56,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:56,031 INFO L225 Difference]: With dead ends: 354 [2020-11-22 13:04:56,031 INFO L226 Difference]: Without dead ends: 224 [2020-11-22 13:04:56,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:56,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-11-22 13:04:56,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2020-11-22 13:04:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-11-22 13:04:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2020-11-22 13:04:56,062 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2020-11-22 13:04:56,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:56,063 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2020-11-22 13:04:56,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:04:56,063 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2020-11-22 13:04:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:04:56,065 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:56,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:56,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:04:56,285 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:56,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:56,286 INFO L82 PathProgramCache]: Analyzing trace with hash -2101366400, now seen corresponding path program 1 times [2020-11-22 13:04:56,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:56,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127728048] [2020-11-22 13:04:56,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:56,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:56,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:56,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:56,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127728048] [2020-11-22 13:04:56,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:56,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:04:56,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833269450] [2020-11-22 13:04:56,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:04:56,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:56,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:04:56,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:56,528 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand 3 states. [2020-11-22 13:04:56,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:56,558 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2020-11-22 13:04:56,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:56,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-22 13:04:56,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:56,560 INFO L225 Difference]: With dead ends: 331 [2020-11-22 13:04:56,560 INFO L226 Difference]: Without dead ends: 115 [2020-11-22 13:04:56,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:56,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-22 13:04:56,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-22 13:04:56,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-22 13:04:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2020-11-22 13:04:56,580 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2020-11-22 13:04:56,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:56,580 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2020-11-22 13:04:56,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:04:56,580 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2020-11-22 13:04:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-22 13:04:56,587 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:56,587 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:56,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:04:56,807 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:56,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:56,808 INFO L82 PathProgramCache]: Analyzing trace with hash -296554801, now seen corresponding path program 1 times [2020-11-22 13:04:56,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:56,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875192265] [2020-11-22 13:04:56,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:56,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:04:56,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:57,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:57,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875192265] [2020-11-22 13:04:57,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1636331652] [2020-11-22 13:04:57,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:04:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:57,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:57,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 13:04:57,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 13:04:57,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:04:57,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 13:04:57,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209880418] [2020-11-22 13:04:57,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:04:57,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:57,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:04:57,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:04:57,322 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2020-11-22 13:04:57,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:57,431 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2020-11-22 13:04:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:04:57,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-11-22 13:04:57,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:57,433 INFO L225 Difference]: With dead ends: 235 [2020-11-22 13:04:57,433 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:04:57,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-22 13:04:57,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:04:57,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:04:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:04:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:04:57,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-22 13:04:57,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:57,434 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:04:57,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:04:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:04:57,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:04:57,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2020-11-22 13:04:57,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:04:58,366 INFO L274 CegarLoopResult]: For program point L894(lines 894 900) no Hoare annotation was computed. [2020-11-22 13:04:58,366 INFO L270 CegarLoopResult]: At program point L894-1(lines 894 900) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:58,367 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:58,367 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:04:58,367 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:04:58,367 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:04:58,367 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:04:58,367 INFO L270 CegarLoopResult]: At program point L763(lines 758 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:58,367 INFO L270 CegarLoopResult]: At program point L763-1(lines 758 766) the Hoare annotation is: false [2020-11-22 13:04:58,367 INFO L270 CegarLoopResult]: At program point L763-2(lines 758 766) the Hoare annotation is: false [2020-11-22 13:04:58,367 INFO L274 CegarLoopResult]: For program point L532(lines 532 549) no Hoare annotation was computed. [2020-11-22 13:04:58,367 INFO L274 CegarLoopResult]: For program point L532-1(lines 532 549) no Hoare annotation was computed. [2020-11-22 13:04:58,367 INFO L274 CegarLoopResult]: For program point L532-2(lines 532 549) no Hoare annotation was computed. [2020-11-22 13:04:58,368 INFO L270 CegarLoopResult]: At program point L500(lines 499 518) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:58,368 INFO L274 CegarLoopResult]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2020-11-22 13:04:58,368 INFO L270 CegarLoopResult]: At program point L500-2(lines 499 518) the Hoare annotation is: false [2020-11-22 13:04:58,368 INFO L270 CegarLoopResult]: At program point L500-3(lines 499 518) the Hoare annotation is: false [2020-11-22 13:04:58,368 INFO L274 CegarLoopResult]: For program point L666(lines 666 672) no Hoare annotation was computed. [2020-11-22 13:04:58,368 INFO L270 CegarLoopResult]: At program point L666-1(lines 666 672) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:58,368 INFO L274 CegarLoopResult]: For program point L914(lines 914 929) no Hoare annotation was computed. [2020-11-22 13:04:58,368 INFO L274 CegarLoopResult]: For program point L536(lines 536 544) no Hoare annotation was computed. [2020-11-22 13:04:58,368 INFO L274 CegarLoopResult]: For program point L536-1(lines 536 544) no Hoare annotation was computed. [2020-11-22 13:04:58,368 INFO L270 CegarLoopResult]: At program point L470(lines 1 941) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:04:58,369 INFO L274 CegarLoopResult]: For program point L536-2(lines 536 544) no Hoare annotation was computed. [2020-11-22 13:04:58,369 INFO L274 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-11-22 13:04:58,369 INFO L274 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-11-22 13:04:58,369 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 656) no Hoare annotation was computed. [2020-11-22 13:04:58,369 INFO L274 CegarLoopResult]: For program point L652-3(lines 652 656) no Hoare annotation was computed. [2020-11-22 13:04:58,369 INFO L274 CegarLoopResult]: For program point L652-5(lines 652 656) no Hoare annotation was computed. [2020-11-22 13:04:58,369 INFO L274 CegarLoopResult]: For program point L652-6(lines 652 656) no Hoare annotation was computed. [2020-11-22 13:04:58,369 INFO L274 CegarLoopResult]: For program point L652-8(lines 652 656) no Hoare annotation was computed. [2020-11-22 13:04:58,369 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:04:58,369 INFO L270 CegarLoopResult]: At program point L603(lines 598 606) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:58,369 INFO L270 CegarLoopResult]: At program point L603-1(lines 598 606) the Hoare annotation is: false [2020-11-22 13:04:58,369 INFO L270 CegarLoopResult]: At program point L603-2(lines 598 606) the Hoare annotation is: false [2020-11-22 13:04:58,370 INFO L270 CegarLoopResult]: At program point L934(lines 883 935) the Hoare annotation is: false [2020-11-22 13:04:58,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:58,370 INFO L274 CegarLoopResult]: For program point L885(lines 884 933) no Hoare annotation was computed. [2020-11-22 13:04:58,370 INFO L277 CegarLoopResult]: At program point L869(lines 850 872) the Hoare annotation is: true [2020-11-22 13:04:58,370 INFO L270 CegarLoopResult]: At program point L836(lines 832 838) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:04:58,370 INFO L274 CegarLoopResult]: For program point L886(lines 886 890) no Hoare annotation was computed. [2020-11-22 13:04:58,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:04:58,370 INFO L270 CegarLoopResult]: At program point L507(lines 507 513) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:58,370 INFO L270 CegarLoopResult]: At program point L507-1(lines 507 513) the Hoare annotation is: false [2020-11-22 13:04:58,370 INFO L270 CegarLoopResult]: At program point L507-2(lines 507 513) the Hoare annotation is: false [2020-11-22 13:04:58,371 INFO L270 CegarLoopResult]: At program point L788-2(lines 788 802) the Hoare annotation is: false [2020-11-22 13:04:58,371 INFO L274 CegarLoopResult]: For program point L904(lines 904 910) no Hoare annotation was computed. [2020-11-22 13:04:58,371 INFO L270 CegarLoopResult]: At program point L904-1(lines 904 910) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:58,371 INFO L270 CegarLoopResult]: At program point L772(lines 767 775) the Hoare annotation is: false [2020-11-22 13:04:58,371 INFO L270 CegarLoopResult]: At program point L772-1(lines 767 775) the Hoare annotation is: false [2020-11-22 13:04:58,371 INFO L274 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-11-22 13:04:58,371 INFO L270 CegarLoopResult]: At program point L772-2(lines 767 775) the Hoare annotation is: false [2020-11-22 13:04:58,371 INFO L274 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-11-22 13:04:58,371 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 13:04:58,371 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 13:04:58,371 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 13:04:58,371 INFO L274 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-11-22 13:04:58,372 INFO L270 CegarLoopResult]: At program point L922-1(lines 500 506) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:58,372 INFO L270 CegarLoopResult]: At program point L658(lines 643 661) the Hoare annotation is: false [2020-11-22 13:04:58,372 INFO L270 CegarLoopResult]: At program point L658-1(lines 643 661) the Hoare annotation is: false [2020-11-22 13:04:58,372 INFO L270 CegarLoopResult]: At program point L658-2(lines 643 661) the Hoare annotation is: false [2020-11-22 13:04:58,372 INFO L274 CegarLoopResult]: For program point L427(lines 427 440) no Hoare annotation was computed. [2020-11-22 13:04:58,372 INFO L270 CegarLoopResult]: At program point L427-1(lines 1 941) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:58,372 INFO L274 CegarLoopResult]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2020-11-22 13:04:58,372 INFO L270 CegarLoopResult]: At program point L427-3(lines 1 941) the Hoare annotation is: false [2020-11-22 13:04:58,381 INFO L274 CegarLoopResult]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2020-11-22 13:04:58,382 INFO L270 CegarLoopResult]: At program point L427-5(lines 1 941) the Hoare annotation is: false [2020-11-22 13:04:58,382 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:04:58,382 INFO L270 CegarLoopResult]: At program point L478(lines 473 481) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:04:58,383 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:58,383 INFO L274 CegarLoopResult]: For program point L792(lines 792 796) no Hoare annotation was computed. [2020-11-22 13:04:58,383 INFO L274 CegarLoopResult]: For program point L792-1(lines 500 506) no Hoare annotation was computed. [2020-11-22 13:04:58,383 INFO L274 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-11-22 13:04:58,383 INFO L274 CegarLoopResult]: For program point L694-3(lines 694 698) no Hoare annotation was computed. [2020-11-22 13:04:58,383 INFO L274 CegarLoopResult]: For program point L694-6(lines 694 698) no Hoare annotation was computed. [2020-11-22 13:04:58,383 INFO L274 CegarLoopResult]: For program point L860(lines 860 867) no Hoare annotation was computed. [2020-11-22 13:04:58,383 INFO L277 CegarLoopResult]: At program point L860-1(lines 860 867) the Hoare annotation is: true [2020-11-22 13:04:58,385 INFO L274 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-11-22 13:04:58,385 INFO L274 CegarLoopResult]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2020-11-22 13:04:58,385 INFO L274 CegarLoopResult]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2020-11-22 13:04:58,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:04:58 BoogieIcfgContainer [2020-11-22 13:04:58,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:04:58,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:04:58,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:04:58,418 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:04:58,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:51" (3/4) ... [2020-11-22 13:04:58,421 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:04:58,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:04:58,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:04:58,448 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:04:58,448 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:04:58,449 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:04:58,449 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:58,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:58,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:04:58,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0dd2337a-5c38-4e27-bb9b-e0015d7a7fe5/bin/utaipan/witness.graphml [2020-11-22 13:04:58,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:04:58,536 INFO L168 Benchmark]: Toolchain (without parser) took 10208.74 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 36.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,537 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:58,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.17 ms. Allocated memory is still 69.2 MB. Free memory was 50.6 MB in the beginning and 43.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.22 ms. Allocated memory is still 69.2 MB. Free memory was 43.7 MB in the beginning and 40.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,538 INFO L168 Benchmark]: Boogie Preprocessor took 70.72 ms. Allocated memory is still 69.2 MB. Free memory was 40.6 MB in the beginning and 38.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,538 INFO L168 Benchmark]: RCFGBuilder took 2538.19 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 38.3 MB in the beginning and 44.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,539 INFO L168 Benchmark]: TraceAbstraction took 6716.39 ms. Allocated memory is still 88.1 MB. Free memory was 43.8 MB in the beginning and 44.1 MB in the end (delta: -300.8 kB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,539 INFO L168 Benchmark]: Witness Printer took 116.98 ms. Allocated memory is still 88.1 MB. Free memory was 44.1 MB in the beginning and 36.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:58,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.17 ms. Allocated memory is still 69.2 MB. Free memory was 50.6 MB in the beginning and 43.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.22 ms. Allocated memory is still 69.2 MB. Free memory was 43.7 MB in the beginning and 40.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.72 ms. Allocated memory is still 69.2 MB. Free memory was 40.6 MB in the beginning and 38.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2538.19 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 38.3 MB in the beginning and 44.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6716.39 ms. Allocated memory is still 88.1 MB. Free memory was 43.8 MB in the beginning and 44.1 MB in the end (delta: -300.8 kB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * Witness Printer took 116.98 ms. Allocated memory is still 88.1 MB. Free memory was 44.1 MB in the beginning and 36.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 716 SDslu, 610 SDs, 0 SdLazy, 129 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 24284 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1615 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...