./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.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_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 1a701515fb5a246fd69af11a72b1e3fa96a75d92 ............................................................................................................................................ 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_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 1a701515fb5a246fd69af11a72b1e3fa96a75d92 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:37:29,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:37:29,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:37:29,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:37:29,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:37:29,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:37:29,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:37:29,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:37:29,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:37:29,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:37:29,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:37:29,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:37:29,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:37:29,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:37:29,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:37:29,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:37:29,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:37:29,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:37:29,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:37:29,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:37:29,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:37:29,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:37:29,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:37:29,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:37:29,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:37:29,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:37:29,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:37:29,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:37:29,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:37:29,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:37:29,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:37:29,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:37:29,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:37:29,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:37:29,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:37:29,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:37:29,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:37:29,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:37:29,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:37:29,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:37:29,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:37:29,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:37:29,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:37:29,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:37:29,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:37:29,977 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:37:29,977 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:37:29,977 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:37:29,977 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:37:29,978 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:37:29,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:37:29,978 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:37:29,979 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:37:29,979 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:37:29,979 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:37:29,979 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:37:29,980 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:37:29,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:37:29,981 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:37:29,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:37:29,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:37:29,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:37:29,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:37:29,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:37:29,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:37:29,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:37:29,983 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:37:29,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:37:29,984 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:37:29,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:37:29,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:37:29,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:37:29,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:37:29,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:37:29,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:37:29,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:37:29,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:37:29,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:37:29,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:37:29,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:37:29,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:37:29,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:37:29,987 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_f1f71180-2efb-4d14-bdf5-d043427f95f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a701515fb5a246fd69af11a72b1e3fa96a75d92 [2020-11-28 07:37:30,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:37:30,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:37:30,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:37:30,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:37:30,411 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:37:30,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2020-11-28 07:37:30,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data/efaf6a583/b6732f0ef31c42abb06c257a54062a73/FLAGa0a329d1f [2020-11-28 07:37:31,056 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:37:31,057 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2020-11-28 07:37:31,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data/efaf6a583/b6732f0ef31c42abb06c257a54062a73/FLAGa0a329d1f [2020-11-28 07:37:31,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data/efaf6a583/b6732f0ef31c42abb06c257a54062a73 [2020-11-28 07:37:31,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:37:31,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:37:31,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:31,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:37:31,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:37:31,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:31" (1/1) ... [2020-11-28 07:37:31,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e01d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:31, skipping insertion in model container [2020-11-28 07:37:31,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:31" (1/1) ... [2020-11-28 07:37:31,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:37:31,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:37:31,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:31,916 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) [2020-11-28 07:37:31,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bca82f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:31, skipping insertion in model container [2020-11-28 07:37:31,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:31,918 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:37:31,920 INFO L168 Benchmark]: Toolchain (without parser) took 576.57 ms. Allocated memory is still 121.6 MB. Free memory was 94.3 MB in the beginning and 96.3 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:31,921 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:31,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.29 ms. Allocated memory is still 121.6 MB. Free memory was 94.0 MB in the beginning and 96.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:31,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 573.29 ms. Allocated memory is still 121.6 MB. Free memory was 94.0 MB in the beginning and 96.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: 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 [2020-11-28 07:37:34,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:37:34,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:37:34,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:37:34,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:37:34,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:37:34,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:37:34,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:37:34,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:37:34,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:37:34,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:37:34,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:37:34,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:37:34,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:37:34,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:37:34,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:37:34,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:37:34,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:37:34,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:37:34,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:37:34,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:37:34,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:37:34,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:37:34,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:37:34,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:37:34,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:37:34,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:37:34,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:37:34,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:37:34,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:37:34,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:37:34,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:37:34,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:37:34,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:37:34,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:37:34,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:37:34,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:37:34,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:37:34,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:37:34,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:37:34,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:37:34,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:37:34,707 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:37:34,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:37:34,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:37:34,709 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:37:34,709 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:37:34,710 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:37:34,710 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:37:34,710 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:37:34,711 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:37:34,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:37:34,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:37:34,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:37:34,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:37:34,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:37:34,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:37:34,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:37:34,714 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:37:34,714 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:37:34,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:37:34,715 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:37:34,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:37:34,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:37:34,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:37:34,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:37:34,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:37:34,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:37:34,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:37:34,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:37:34,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:37:34,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:37:34,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:37:34,723 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:37:34,723 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:37:34,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:37:34,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:37:34,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:37:34,724 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_f1f71180-2efb-4d14-bdf5-d043427f95f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a701515fb5a246fd69af11a72b1e3fa96a75d92 [2020-11-28 07:37:35,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:37:35,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:37:35,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:37:35,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:37:35,205 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:37:35,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2020-11-28 07:37:35,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data/dd692915e/8135bccad886458c8b24a5dc5a59d39d/FLAGa62e6dfb6 [2020-11-28 07:37:35,947 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:37:35,948 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2020-11-28 07:37:35,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data/dd692915e/8135bccad886458c8b24a5dc5a59d39d/FLAGa62e6dfb6 [2020-11-28 07:37:36,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/data/dd692915e/8135bccad886458c8b24a5dc5a59d39d [2020-11-28 07:37:36,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:37:36,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:37:36,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:36,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:37:36,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:37:36,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:36" (1/1) ... [2020-11-28 07:37:36,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74180c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:36, skipping insertion in model container [2020-11-28 07:37:36,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:36" (1/1) ... [2020-11-28 07:37:36,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:37:36,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:37:36,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:36,918 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:37:36,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:37:37,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:37,027 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:37:37,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:37,169 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:37:37,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37 WrapperNode [2020-11-28 07:37:37,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:37,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:37,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:37:37,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:37:37,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... [2020-11-28 07:37:37,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... [2020-11-28 07:37:37,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:37,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:37:37,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:37:37,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:37:37,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... [2020-11-28 07:37:37,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... [2020-11-28 07:37:37,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... [2020-11-28 07:37:37,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... [2020-11-28 07:37:37,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... [2020-11-28 07:37:37,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... [2020-11-28 07:37:37,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... [2020-11-28 07:37:37,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:37:37,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:37:37,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:37:37,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:37:37,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 [2020-11-28 07:37:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:37:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:37:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:37:37,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:37:40,043 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:37:40,044 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-28 07:37:40,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:40 BoogieIcfgContainer [2020-11-28 07:37:40,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:37:40,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:37:40,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:37:40,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:37:40,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:37:36" (1/3) ... [2020-11-28 07:37:40,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3d52ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:40, skipping insertion in model container [2020-11-28 07:37:40,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:37" (2/3) ... [2020-11-28 07:37:40,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3d52ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:40, skipping insertion in model container [2020-11-28 07:37:40,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:40" (3/3) ... [2020-11-28 07:37:40,063 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-11-28 07:37:40,083 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:37:40,088 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:37:40,099 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:37:40,123 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:37:40,127 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:37:40,128 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:37:40,128 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:37:40,128 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:37:40,128 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:37:40,128 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:37:40,129 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:37:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-28 07:37:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:37:40,154 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:40,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:40,158 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:40,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:40,167 INFO L82 PathProgramCache]: Analyzing trace with hash 91881395, now seen corresponding path program 1 times [2020-11-28 07:37:40,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:40,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118364138] [2020-11-28 07:37:40,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 [2020-11-28 07:37:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:40,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:37:40,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:40,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:40,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118364138] [2020-11-28 07:37:40,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:40,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:37:40,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390993207] [2020-11-28 07:37:40,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:37:40,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:40,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:37:40,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:37:40,568 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-28 07:37:40,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:40,595 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-28 07:37:40,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:37:40,596 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 07:37:40,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:40,607 INFO L225 Difference]: With dead ends: 151 [2020-11-28 07:37:40,608 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 07:37:40,611 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 [2020-11-28 07:37:40,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 07:37:40,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 07:37:40,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 07:37:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-28 07:37:40,670 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-28 07:37:40,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:40,670 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-28 07:37:40,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:37:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 07:37:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 07:37:40,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:40,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:40,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:37:40,889 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:40,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:40,890 INFO L82 PathProgramCache]: Analyzing trace with hash -954875502, now seen corresponding path program 1 times [2020-11-28 07:37:40,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:40,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601979331] [2020-11-28 07:37:40,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 [2020-11-28 07:37:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:41,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:37:41,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:41,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:41,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601979331] [2020-11-28 07:37:41,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:41,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:37:41,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620546636] [2020-11-28 07:37:41,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:37:41,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:41,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:37:41,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:37:41,271 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2020-11-28 07:37:41,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:41,289 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-28 07:37:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:37:41,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 07:37:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:41,291 INFO L225 Difference]: With dead ends: 73 [2020-11-28 07:37:41,291 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 07:37:41,293 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 [2020-11-28 07:37:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 07:37:41,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 07:37:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 07:37:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 07:37:41,300 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-28 07:37:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:41,301 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 07:37:41,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:37:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 07:37:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 07:37:41,302 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:41,303 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] [2020-11-28 07:37:41,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:37:41,520 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:41,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:41,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2020-11-28 07:37:41,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:41,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78125467] [2020-11-28 07:37:41,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 [2020-11-28 07:37:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:41,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:37:41,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:41,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:41,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78125467] [2020-11-28 07:37:41,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:41,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-28 07:37:41,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989039799] [2020-11-28 07:37:41,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:37:41,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:41,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:37:41,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:37:41,770 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-28 07:37:41,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:41,810 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2020-11-28 07:37:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:37:41,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-28 07:37:41,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:41,813 INFO L225 Difference]: With dead ends: 116 [2020-11-28 07:37:41,813 INFO L226 Difference]: Without dead ends: 87 [2020-11-28 07:37:41,814 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 [2020-11-28 07:37:41,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-28 07:37:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2020-11-28 07:37:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-28 07:37:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2020-11-28 07:37:41,825 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2020-11-28 07:37:41,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:41,826 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2020-11-28 07:37:41,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:37:41,826 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2020-11-28 07:37:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 07:37:41,827 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:41,827 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] [2020-11-28 07:37:42,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:37:42,043 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:42,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:42,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2020-11-28 07:37:42,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:42,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662069461] [2020-11-28 07:37:42,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 [2020-11-28 07:37:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:42,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:37:42,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:42,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:42,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662069461] [2020-11-28 07:37:42,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:42,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-28 07:37:42,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863173206] [2020-11-28 07:37:42,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:37:42,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:42,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:37:42,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:37:42,361 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2020-11-28 07:37:42,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:42,696 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2020-11-28 07:37:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 07:37:42,697 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-28 07:37:42,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:42,701 INFO L225 Difference]: With dead ends: 373 [2020-11-28 07:37:42,701 INFO L226 Difference]: Without dead ends: 325 [2020-11-28 07:37:42,702 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 [2020-11-28 07:37:42,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-11-28 07:37:42,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2020-11-28 07:37:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-28 07:37:42,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2020-11-28 07:37:42,749 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2020-11-28 07:37:42,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:42,750 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2020-11-28 07:37:42,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:37:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2020-11-28 07:37:42,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:37:42,752 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:42,752 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] [2020-11-28 07:37:42,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:37:42,972 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:42,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:42,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2020-11-28 07:37:42,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:42,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612928927] [2020-11-28 07:37:42,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 [2020-11-28 07:37:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:43,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:37:43,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:43,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:43,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:43,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [612928927] [2020-11-28 07:37:43,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:43,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-28 07:37:43,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466122462] [2020-11-28 07:37:43,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:37:43,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:43,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:37:43,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:37:43,185 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2020-11-28 07:37:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:44,390 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2020-11-28 07:37:44,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:37:44,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 07:37:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:44,392 INFO L225 Difference]: With dead ends: 354 [2020-11-28 07:37:44,392 INFO L226 Difference]: Without dead ends: 224 [2020-11-28 07:37:44,394 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 [2020-11-28 07:37:44,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-11-28 07:37:44,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2020-11-28 07:37:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-11-28 07:37:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2020-11-28 07:37:44,446 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2020-11-28 07:37:44,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:44,446 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2020-11-28 07:37:44,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:37:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2020-11-28 07:37:44,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 07:37:44,452 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:44,453 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] [2020-11-28 07:37:44,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:37:44,670 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:44,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:44,671 INFO L82 PathProgramCache]: Analyzing trace with hash -796024257, now seen corresponding path program 1 times [2020-11-28 07:37:44,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:44,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202766187] [2020-11-28 07:37:44,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 [2020-11-28 07:37:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:44,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:37:44,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:44,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:44,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202766187] [2020-11-28 07:37:44,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:44,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:37:44,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931657290] [2020-11-28 07:37:44,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:37:44,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:44,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:37:44,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:37:44,888 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand 3 states. [2020-11-28 07:37:44,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:44,922 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2020-11-28 07:37:44,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:37:44,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 07:37:44,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:44,924 INFO L225 Difference]: With dead ends: 331 [2020-11-28 07:37:44,924 INFO L226 Difference]: Without dead ends: 115 [2020-11-28 07:37:44,926 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 [2020-11-28 07:37:44,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-28 07:37:44,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-28 07:37:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-28 07:37:44,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2020-11-28 07:37:44,942 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2020-11-28 07:37:44,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:44,942 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2020-11-28 07:37:44,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:37:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2020-11-28 07:37:44,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 07:37:44,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:44,944 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] [2020-11-28 07:37:45,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-28 07:37:45,162 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:45,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:45,163 INFO L82 PathProgramCache]: Analyzing trace with hash 753245934, now seen corresponding path program 1 times [2020-11-28 07:37:45,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:45,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268776543] [2020-11-28 07:37:45,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 [2020-11-28 07:37:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:45,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:37:45,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:45,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:45,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268776543] [2020-11-28 07:37:45,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1316715018] [2020-11-28 07:37:45,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/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 [2020-11-28 07:37:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:45,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:37:45,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 07:37:45,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 07:37:45,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-28 07:37:45,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-28 07:37:45,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429559502] [2020-11-28 07:37:45,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:37:45,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:45,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:37:45,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:37:45,696 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2020-11-28 07:37:45,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:45,877 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2020-11-28 07:37:45,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:37:45,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-11-28 07:37:45,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:45,878 INFO L225 Difference]: With dead ends: 235 [2020-11-28 07:37:45,878 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:37:45,879 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 [2020-11-28 07:37:45,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:37:45,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:37:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:37:45,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:37:45,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-28 07:37:45,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:45,880 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:37:45,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:37:45,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:37:45,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:37:46,284 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 [2020-11-28 07:37:46,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:37:46,836 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:37:46,836 INFO L270 CegarLoopResult]: At program point L746(lines 697 747) the Hoare annotation is: false [2020-11-28 07:37:46,836 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:37:46,836 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:37:46,836 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:37:46,837 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:37:46,837 INFO L270 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: false [2020-11-28 07:37:46,837 INFO L270 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-11-28 07:37:46,837 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-28 07:37:46,837 INFO L270 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-11-28 07:37:46,837 INFO L270 CegarLoopResult]: At program point L814(lines 810 816) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:37:46,837 INFO L274 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-11-28 07:37:46,837 INFO L274 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-11-28 07:37:46,838 INFO L274 CegarLoopResult]: For program point L682-2(line 682) no Hoare annotation was computed. [2020-11-28 07:37:46,838 INFO L274 CegarLoopResult]: For program point L550(lines 550 567) no Hoare annotation was computed. [2020-11-28 07:37:46,838 INFO L274 CegarLoopResult]: For program point L550-1(lines 550 567) no Hoare annotation was computed. [2020-11-28 07:37:46,838 INFO L274 CegarLoopResult]: For program point L550-2(lines 550 567) no Hoare annotation was computed. [2020-11-28 07:37:46,838 INFO L274 CegarLoopResult]: For program point L897(lines 897 910) no Hoare annotation was computed. [2020-11-28 07:37:46,838 INFO L270 CegarLoopResult]: At program point L897-1(lines 1 913) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:37:46,838 INFO L274 CegarLoopResult]: For program point L897-2(lines 897 910) no Hoare annotation was computed. [2020-11-28 07:37:46,838 INFO L270 CegarLoopResult]: At program point L897-3(lines 1 913) the Hoare annotation is: false [2020-11-28 07:37:46,839 INFO L274 CegarLoopResult]: For program point L897-4(lines 897 910) no Hoare annotation was computed. [2020-11-28 07:37:46,839 INFO L270 CegarLoopResult]: At program point L897-5(lines 1 913) the Hoare annotation is: false [2020-11-28 07:37:46,839 INFO L274 CegarLoopResult]: For program point L699(lines 698 745) no Hoare annotation was computed. [2020-11-28 07:37:46,839 INFO L274 CegarLoopResult]: For program point L666(lines 666 672) no Hoare annotation was computed. [2020-11-28 07:37:46,839 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)) [2020-11-28 07:37:46,839 INFO L270 CegarLoopResult]: At program point L518(lines 517 536) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:37:46,839 INFO L274 CegarLoopResult]: For program point L518-1(lines 518 524) no Hoare annotation was computed. [2020-11-28 07:37:46,840 INFO L270 CegarLoopResult]: At program point L518-2(lines 517 536) the Hoare annotation is: false [2020-11-28 07:37:46,840 INFO L270 CegarLoopResult]: At program point L518-3(lines 517 536) the Hoare annotation is: false [2020-11-28 07:37:46,840 INFO L274 CegarLoopResult]: For program point L700(lines 700 704) no Hoare annotation was computed. [2020-11-28 07:37:46,840 INFO L270 CegarLoopResult]: At program point L766-2(lines 766 780) the Hoare annotation is: false [2020-11-28 07:37:46,840 INFO L277 CegarLoopResult]: At program point L849(lines 830 852) the Hoare annotation is: true [2020-11-28 07:37:46,840 INFO L274 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-11-28 07:37:46,840 INFO L274 CegarLoopResult]: For program point L734(lines 734 740) no Hoare annotation was computed. [2020-11-28 07:37:46,840 INFO L270 CegarLoopResult]: At program point L734-1(lines 518 524) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:37:46,840 INFO L274 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-11-28 07:37:46,841 INFO L270 CegarLoopResult]: At program point L718-1(lines 718 724) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:37:46,841 INFO L274 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-11-28 07:37:46,841 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 656) no Hoare annotation was computed. [2020-11-28 07:37:46,841 INFO L274 CegarLoopResult]: For program point L652-3(lines 652 656) no Hoare annotation was computed. [2020-11-28 07:37:46,841 INFO L274 CegarLoopResult]: For program point L652-5(lines 652 656) no Hoare annotation was computed. [2020-11-28 07:37:46,841 INFO L274 CegarLoopResult]: For program point L652-6(lines 652 656) no Hoare annotation was computed. [2020-11-28 07:37:46,841 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-11-28 07:37:46,841 INFO L274 CegarLoopResult]: For program point L652-8(lines 652 656) no Hoare annotation was computed. [2020-11-28 07:37:46,841 INFO L274 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2020-11-28 07:37:46,842 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:37:46,842 INFO L274 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2020-11-28 07:37:46,842 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)) [2020-11-28 07:37:46,842 INFO L270 CegarLoopResult]: At program point L603-1(lines 598 606) the Hoare annotation is: false [2020-11-28 07:37:46,842 INFO L270 CegarLoopResult]: At program point L603-2(lines 598 606) the Hoare annotation is: false [2020-11-28 07:37:46,842 INFO L270 CegarLoopResult]: At program point L884(lines 879 887) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:37:46,842 INFO L274 CegarLoopResult]: For program point L554(lines 554 562) no Hoare annotation was computed. [2020-11-28 07:37:46,843 INFO L274 CegarLoopResult]: For program point L554-1(lines 554 562) no Hoare annotation was computed. [2020-11-28 07:37:46,843 INFO L274 CegarLoopResult]: For program point L554-2(lines 554 562) no Hoare annotation was computed. [2020-11-28 07:37:46,843 INFO L274 CegarLoopResult]: For program point L901(lines 901 907) no Hoare annotation was computed. [2020-11-28 07:37:46,843 INFO L274 CegarLoopResult]: For program point L901-2(lines 901 907) no Hoare annotation was computed. [2020-11-28 07:37:46,843 INFO L274 CegarLoopResult]: For program point L901-4(lines 901 907) no Hoare annotation was computed. [2020-11-28 07:37:46,843 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:37:46,843 INFO L274 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-11-28 07:37:46,843 INFO L274 CegarLoopResult]: For program point L770-1(lines 518 524) no Hoare annotation was computed. [2020-11-28 07:37:46,843 INFO L270 CegarLoopResult]: At program point L490(lines 485 493) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:37:46,844 INFO L270 CegarLoopResult]: At program point L490-1(lines 485 493) the Hoare annotation is: false [2020-11-28 07:37:46,844 INFO L270 CegarLoopResult]: At program point L490-2(lines 485 493) the Hoare annotation is: false [2020-11-28 07:37:46,844 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:37:46,844 INFO L270 CegarLoopResult]: At program point L525(lines 525 531) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:37:46,844 INFO L270 CegarLoopResult]: At program point L525-1(lines 525 531) the Hoare annotation is: false [2020-11-28 07:37:46,844 INFO L270 CegarLoopResult]: At program point L525-2(lines 525 531) the Hoare annotation is: false [2020-11-28 07:37:46,844 INFO L270 CegarLoopResult]: At program point L658(lines 643 661) the Hoare annotation is: false [2020-11-28 07:37:46,845 INFO L270 CegarLoopResult]: At program point L658-1(lines 643 661) the Hoare annotation is: false [2020-11-28 07:37:46,845 INFO L270 CegarLoopResult]: At program point L658-2(lines 643 661) the Hoare annotation is: false [2020-11-28 07:37:46,845 INFO L274 CegarLoopResult]: For program point L840(lines 840 847) no Hoare annotation was computed. [2020-11-28 07:37:46,845 INFO L277 CegarLoopResult]: At program point L840-1(lines 840 847) the Hoare annotation is: true [2020-11-28 07:37:46,845 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-11-28 07:37:46,845 INFO L270 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:37:46,845 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:37:46,845 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-11-28 07:37:46,846 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:37:46,846 INFO L270 CegarLoopResult]: At program point L876(lines 1 913) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:37:46,846 INFO L274 CegarLoopResult]: For program point L728(lines 728 741) no Hoare annotation was computed. [2020-11-28 07:37:46,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:37:46 BoogieIcfgContainer [2020-11-28 07:37:46,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:37:46,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:37:46,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:37:46,884 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:37:46,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:40" (3/4) ... [2020-11-28 07:37:46,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:37:46,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:37:46,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:37:46,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:37:46,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:37:46,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:37:46,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:37:46,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:37:46,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-28 07:37:47,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f1f71180-2efb-4d14-bdf5-d043427f95f9/bin/utaipan/witness.graphml [2020-11-28 07:37:47,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:37:47,005 INFO L168 Benchmark]: Toolchain (without parser) took 10786.60 ms. Allocated memory was 58.7 MB in the beginning and 98.6 MB in the end (delta: 39.8 MB). Free memory was 37.7 MB in the beginning and 72.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:47,006 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:47,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 968.49 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.5 MB in the beginning and 63.8 MB in the end (delta: -26.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:47,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.20 ms. Allocated memory is still 79.7 MB. Free memory was 63.8 MB in the beginning and 61.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:47,007 INFO L168 Benchmark]: Boogie Preprocessor took 90.49 ms. Allocated memory is still 79.7 MB. Free memory was 61.1 MB in the beginning and 58.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:47,008 INFO L168 Benchmark]: RCFGBuilder took 2640.31 ms. Allocated memory is still 79.7 MB. Free memory was 58.7 MB in the beginning and 45.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:47,008 INFO L168 Benchmark]: TraceAbstraction took 6827.86 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 45.4 MB in the beginning and 79.2 MB in the end (delta: -33.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:47,009 INFO L168 Benchmark]: Witness Printer took 119.61 ms. Allocated memory is still 98.6 MB. Free memory was 79.2 MB in the beginning and 72.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:47,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 968.49 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.5 MB in the beginning and 63.8 MB in the end (delta: -26.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.20 ms. Allocated memory is still 79.7 MB. Free memory was 63.8 MB in the beginning and 61.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.49 ms. Allocated memory is still 79.7 MB. Free memory was 61.1 MB in the beginning and 58.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2640.31 ms. Allocated memory is still 79.7 MB. Free memory was 58.7 MB in the beginning and 45.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6827.86 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 45.4 MB in the beginning and 79.2 MB in the end (delta: -33.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * Witness Printer took 119.61 ms. Allocated memory is still 98.6 MB. Free memory was 79.2 MB in the beginning and 72.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 718]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: 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: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 879]: 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: 518]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.1s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 697 SDslu, 613 SDs, 0 SdLazy, 129 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s 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: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 26195 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1608 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...