./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.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_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/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 22cc4a601f3417d8b2d689199409c31ee52b154c ............................................................................................................................................ 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_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/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 22cc4a601f3417d8b2d689199409c31ee52b154c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:36,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:36,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:36,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:36,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:36,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:36,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:36,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:36,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:36,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:36,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:36,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:36,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:36,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:36,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:36,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:36,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:36,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:36,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:36,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:36,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:36,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:36,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:36,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:36,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:36,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:36,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:36,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:36,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:36,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:36,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:36,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:36,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:36,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:36,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:36,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:36,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:36,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:36,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:36,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:36,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:36,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:05:36,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:36,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:36,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:36,443 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:36,443 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:36,443 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:36,444 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:36,444 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:36,444 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:36,444 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:36,445 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:36,446 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:36,446 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:36,446 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:36,446 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:36,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:36,447 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:36,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:36,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:36,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:36,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:36,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:36,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:36,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:36,449 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:36,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:36,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:36,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:36,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:36,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:36,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:36,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:36,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:36,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:36,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:36,453 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:36,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:36,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:36,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:36,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:36,454 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_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22cc4a601f3417d8b2d689199409c31ee52b154c [2020-11-22 13:05:36,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:36,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:36,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:36,723 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:36,730 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:36,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2020-11-22 13:05:36,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data/9e1eaf121/a3756cc03de24b77bffdb4cd3059dcc1/FLAG4ef1a847a [2020-11-22 13:05:37,329 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:37,330 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2020-11-22 13:05:37,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data/9e1eaf121/a3756cc03de24b77bffdb4cd3059dcc1/FLAG4ef1a847a [2020-11-22 13:05:37,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data/9e1eaf121/a3756cc03de24b77bffdb4cd3059dcc1 [2020-11-22 13:05:37,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:37,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:37,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:37,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:37,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:37,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:37" (1/1) ... [2020-11-22 13:05:37,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f726f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:37, skipping insertion in model container [2020-11-22 13:05:37,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:37" (1/1) ... [2020-11-22 13:05:37,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:37,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:38,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:38,077 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 13:05:38,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41dc2e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38, skipping insertion in model container [2020-11-22 13:05:38,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:38,078 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:05:38,080 INFO L168 Benchmark]: Toolchain (without parser) took 420.40 ms. Allocated memory is still 100.7 MB. Free memory was 71.9 MB in the beginning and 73.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:38,081 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory is still 59.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:38,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.42 ms. Allocated memory is still 100.7 MB. Free memory was 71.9 MB in the beginning and 73.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:38,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory is still 59.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.42 ms. Allocated memory is still 100.7 MB. Free memory was 71.9 MB in the beginning and 73.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 235]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:40,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:40,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:40,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:40,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:40,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:40,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:40,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:40,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:40,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:40,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:40,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:40,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:40,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:40,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:40,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:40,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:40,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:40,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:40,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:40,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:40,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:40,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:40,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:40,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:40,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:40,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:40,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:40,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:40,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:40,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:40,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:40,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:40,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:40,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:40,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:40,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:40,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:40,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:40,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:40,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:40,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:05:40,372 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:40,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:40,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:40,373 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:40,374 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:40,374 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:40,374 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:40,374 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:40,374 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:40,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:40,375 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:40,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:40,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:40,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:40,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:40,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:40,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:40,376 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:05:40,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:05:40,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:40,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:40,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:40,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:40,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:40,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:05:40,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:40,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:40,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:40,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:40,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:40,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:40,379 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:05:40,379 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:05:40,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:40,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:40,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:40,380 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_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22cc4a601f3417d8b2d689199409c31ee52b154c [2020-11-22 13:05:40,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:40,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:40,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:40,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:40,818 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:40,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2020-11-22 13:05:40,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data/3d4b26eb2/6ffd5b579a6c4f03aee4e8cb5f0b1a15/FLAG1bf580878 [2020-11-22 13:05:41,469 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:41,469 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2020-11-22 13:05:41,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data/3d4b26eb2/6ffd5b579a6c4f03aee4e8cb5f0b1a15/FLAG1bf580878 [2020-11-22 13:05:41,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/data/3d4b26eb2/6ffd5b579a6c4f03aee4e8cb5f0b1a15 [2020-11-22 13:05:41,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:41,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:41,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:41,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:41,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:41,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:41" (1/1) ... [2020-11-22 13:05:41,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79896e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:41, skipping insertion in model container [2020-11-22 13:05:41,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:41" (1/1) ... [2020-11-22 13:05:41,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:41,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:42,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:42,127 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:05:42,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:42,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:42,243 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:42,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:42,382 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:42,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42 WrapperNode [2020-11-22 13:05:42,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:42,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:42,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:42,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:42,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:42,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:42,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:42,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:42,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:42,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:42,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:42,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:42,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:05:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:44,801 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:44,803 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-11-22 13:05:44,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:44 BoogieIcfgContainer [2020-11-22 13:05:44,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:44,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:44,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:44,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:44,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:41" (1/3) ... [2020-11-22 13:05:44,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3973cca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:44, skipping insertion in model container [2020-11-22 13:05:44,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (2/3) ... [2020-11-22 13:05:44,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3973cca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:44, skipping insertion in model container [2020-11-22 13:05:44,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:44" (3/3) ... [2020-11-22 13:05:44,816 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2020-11-22 13:05:44,827 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:44,832 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:05:44,843 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:05:44,880 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:44,880 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:44,881 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:44,881 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:44,881 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:44,881 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:44,881 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:44,882 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-11-22 13:05:44,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:05:44,903 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:44,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:44,904 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:44,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1439669828, now seen corresponding path program 1 times [2020-11-22 13:05:44,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:44,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490458544] [2020-11-22 13:05:44,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:45,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:05:45,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:45,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:45,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490458544] [2020-11-22 13:05:45,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:45,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:05:45,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946246222] [2020-11-22 13:05:45,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:05:45,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:45,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:05:45,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:45,290 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2020-11-22 13:05:45,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:45,312 INFO L93 Difference]: Finished difference Result 118 states and 177 transitions. [2020-11-22 13:05:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:05:45,313 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:05:45,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:45,322 INFO L225 Difference]: With dead ends: 118 [2020-11-22 13:05:45,322 INFO L226 Difference]: Without dead ends: 57 [2020-11-22 13:05:45,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:45,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-22 13:05:45,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-22 13:05:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-22 13:05:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-11-22 13:05:45,359 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2020-11-22 13:05:45,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:45,360 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-11-22 13:05:45,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:05:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-11-22 13:05:45,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:05:45,361 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:45,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:45,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:05:45,578 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:45,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:45,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1220833859, now seen corresponding path program 1 times [2020-11-22 13:05:45,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:45,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755219053] [2020-11-22 13:05:45,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:45,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:45,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:45,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:45,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755219053] [2020-11-22 13:05:45,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:45,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:05:45,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859993333] [2020-11-22 13:05:45,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:45,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:45,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:45,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:45,929 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 4 states. [2020-11-22 13:05:45,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:45,949 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-11-22 13:05:45,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:45,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:05:45,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:45,951 INFO L225 Difference]: With dead ends: 57 [2020-11-22 13:05:45,951 INFO L226 Difference]: Without dead ends: 29 [2020-11-22 13:05:45,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:45,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-22 13:05:45,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-22 13:05:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-22 13:05:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-22 13:05:45,957 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-11-22 13:05:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:45,958 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-22 13:05:45,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:45,958 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-22 13:05:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:05:45,959 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:45,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:46,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:05:46,177 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:46,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:46,179 INFO L82 PathProgramCache]: Analyzing trace with hash -2087364582, now seen corresponding path program 1 times [2020-11-22 13:05:46,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:46,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893120900] [2020-11-22 13:05:46,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:46,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:46,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:46,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:46,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893120900] [2020-11-22 13:05:46,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:46,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:05:46,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038708859] [2020-11-22 13:05:46,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:46,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:46,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:46,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:46,467 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-11-22 13:05:46,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:46,593 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2020-11-22 13:05:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:05:46,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 13:05:46,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:46,597 INFO L225 Difference]: With dead ends: 112 [2020-11-22 13:05:46,598 INFO L226 Difference]: Without dead ends: 90 [2020-11-22 13:05:46,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:05:46,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-11-22 13:05:46,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2020-11-22 13:05:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-22 13:05:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-11-22 13:05:46,618 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2020-11-22 13:05:46,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:46,619 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-11-22 13:05:46,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-11-22 13:05:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:05:46,620 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:46,621 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] [2020-11-22 13:05:46,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:05:46,841 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:46,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:46,841 INFO L82 PathProgramCache]: Analyzing trace with hash -837026654, now seen corresponding path program 1 times [2020-11-22 13:05:46,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:46,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119157190] [2020-11-22 13:05:46,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:47,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:47,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:47,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:47,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119157190] [2020-11-22 13:05:47,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:47,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:05:47,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493822575] [2020-11-22 13:05:47,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:47,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:47,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:47,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:47,113 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2020-11-22 13:05:47,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:47,207 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2020-11-22 13:05:47,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:47,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:05:47,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:47,208 INFO L225 Difference]: With dead ends: 132 [2020-11-22 13:05:47,208 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:05:47,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:05:47,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:05:47,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:05:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:05:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:05:47,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-22 13:05:47,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:47,210 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:05:47,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:05:47,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:05:47,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:05:47,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:05:47,787 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:47,787 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:05:47,787 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:05:47,787 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:05:47,787 INFO L274 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-11-22 13:05:47,787 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:05:47,787 INFO L274 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-11-22 13:05:47,787 INFO L274 CegarLoopResult]: For program point L862-2(line 862) no Hoare annotation was computed. [2020-11-22 13:05:47,788 INFO L274 CegarLoopResult]: For program point L185(lines 185 202) no Hoare annotation was computed. [2020-11-22 13:05:47,788 INFO L270 CegarLoopResult]: At program point L185-1(lines 1 865) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:47,788 INFO L274 CegarLoopResult]: For program point L185-2(lines 185 202) no Hoare annotation was computed. [2020-11-22 13:05:47,788 INFO L270 CegarLoopResult]: At program point L185-3(lines 1 865) the Hoare annotation is: false [2020-11-22 13:05:47,788 INFO L274 CegarLoopResult]: For program point L185-4(lines 185 202) no Hoare annotation was computed. [2020-11-22 13:05:47,788 INFO L270 CegarLoopResult]: At program point L185-5(lines 1 865) the Hoare annotation is: false [2020-11-22 13:05:47,788 INFO L274 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-11-22 13:05:47,788 INFO L274 CegarLoopResult]: For program point L831(lines 831 844) no Hoare annotation was computed. [2020-11-22 13:05:47,789 INFO L270 CegarLoopResult]: At program point L683(lines 682 701) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:47,789 INFO L274 CegarLoopResult]: For program point L683-1(lines 683 689) no Hoare annotation was computed. [2020-11-22 13:05:47,789 INFO L270 CegarLoopResult]: At program point L683-2(lines 682 701) the Hoare annotation is: false [2020-11-22 13:05:47,789 INFO L270 CegarLoopResult]: At program point L683-3(lines 682 701) the Hoare annotation is: false [2020-11-22 13:05:47,789 INFO L270 CegarLoopResult]: At program point L634(lines 630 636) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-11-22 13:05:47,789 INFO L270 CegarLoopResult]: At program point L849(lines 800 850) the Hoare annotation is: false [2020-11-22 13:05:47,789 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 599) the Hoare annotation is: false [2020-11-22 13:05:47,789 INFO L274 CegarLoopResult]: For program point L189(lines 189 199) no Hoare annotation was computed. [2020-11-22 13:05:47,789 INFO L277 CegarLoopResult]: At program point L668(lines 649 671) the Hoare annotation is: true [2020-11-22 13:05:47,789 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 199) no Hoare annotation was computed. [2020-11-22 13:05:47,790 INFO L274 CegarLoopResult]: For program point L189-4(lines 189 199) no Hoare annotation was computed. [2020-11-22 13:05:47,790 INFO L274 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-11-22 13:05:47,790 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:05:47,790 INFO L274 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-11-22 13:05:47,790 INFO L274 CegarLoopResult]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2020-11-22 13:05:47,790 INFO L274 CegarLoopResult]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2020-11-22 13:05:47,790 INFO L270 CegarLoopResult]: At program point L174(lines 169 176) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-11-22 13:05:47,790 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-11-22 13:05:47,790 INFO L274 CegarLoopResult]: For program point L802(lines 801 848) no Hoare annotation was computed. [2020-11-22 13:05:47,790 INFO L274 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-11-22 13:05:47,791 INFO L274 CegarLoopResult]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2020-11-22 13:05:47,791 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:47,791 INFO L274 CegarLoopResult]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2020-11-22 13:05:47,791 INFO L274 CegarLoopResult]: For program point L803(lines 803 807) no Hoare annotation was computed. [2020-11-22 13:05:47,791 INFO L274 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-11-22 13:05:47,791 INFO L274 CegarLoopResult]: For program point L589-1(lines 683 689) no Hoare annotation was computed. [2020-11-22 13:05:47,791 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:05:47,791 INFO L274 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-11-22 13:05:47,791 INFO L270 CegarLoopResult]: At program point L821-1(lines 821 827) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:47,792 INFO L270 CegarLoopResult]: At program point L690(lines 690 696) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:47,792 INFO L270 CegarLoopResult]: At program point L690-1(lines 690 696) the Hoare annotation is: false [2020-11-22 13:05:47,792 INFO L270 CegarLoopResult]: At program point L690-2(lines 690 696) the Hoare annotation is: false [2020-11-22 13:05:47,792 INFO L274 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-11-22 13:05:47,792 INFO L270 CegarLoopResult]: At program point L839-2(lines 683 689) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:47,792 INFO L270 CegarLoopResult]: At program point L129(lines 124 132) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:47,792 INFO L270 CegarLoopResult]: At program point L129-1(lines 124 132) the Hoare annotation is: false [2020-11-22 13:05:47,792 INFO L270 CegarLoopResult]: At program point L129-2(lines 124 132) the Hoare annotation is: false [2020-11-22 13:05:47,792 INFO L274 CegarLoopResult]: For program point L659(lines 659 666) no Hoare annotation was computed. [2020-11-22 13:05:47,796 INFO L277 CegarLoopResult]: At program point L659-1(lines 659 666) the Hoare annotation is: true [2020-11-22 13:05:47,797 INFO L270 CegarLoopResult]: At program point L742(lines 737 745) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:47,801 INFO L270 CegarLoopResult]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2020-11-22 13:05:47,801 INFO L270 CegarLoopResult]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2020-11-22 13:05:47,801 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:05:47,801 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:47,801 INFO L274 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2020-11-22 13:05:47,801 INFO L270 CegarLoopResult]: At program point L67(lines 1 865) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-11-22 13:05:47,802 INFO L274 CegarLoopResult]: For program point L811(lines 811 817) no Hoare annotation was computed. [2020-11-22 13:05:47,802 INFO L270 CegarLoopResult]: At program point L811-1(lines 811 817) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:47,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:47 BoogieIcfgContainer [2020-11-22 13:05:47,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:47,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:47,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:47,823 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:47,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:44" (3/4) ... [2020-11-22 13:05:47,826 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:05:47,846 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:05:47,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:05:47,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:05:47,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:05:47,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:05:47,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:47,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:47,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:05:47,937 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f1a95141-db1a-4c8d-a21a-8cff7dfcb98a/bin/utaipan/witness.graphml [2020-11-22 13:05:47,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:47,939 INFO L168 Benchmark]: Toolchain (without parser) took 6170.90 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 36.2 MB in the beginning and 52.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:47,940 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 40.3 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:47,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.43 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 27.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:47,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.53 ms. Allocated memory is still 58.7 MB. Free memory was 27.8 MB in the beginning and 25.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:47,941 INFO L168 Benchmark]: Boogie Preprocessor took 49.69 ms. Allocated memory is still 58.7 MB. Free memory was 25.0 MB in the beginning and 22.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:47,942 INFO L168 Benchmark]: RCFGBuilder took 2267.58 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 22.9 MB in the beginning and 45.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:47,942 INFO L168 Benchmark]: TraceAbstraction took 3013.31 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 45.0 MB in the beginning and 58.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:47,943 INFO L168 Benchmark]: Witness Printer took 115.11 ms. Allocated memory is still 86.0 MB. Free memory was 58.2 MB in the beginning and 52.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:47,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 40.3 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.43 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 27.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.53 ms. Allocated memory is still 58.7 MB. Free memory was 27.8 MB in the beginning and 25.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.69 ms. Allocated memory is still 58.7 MB. Free memory was 25.0 MB in the beginning and 22.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2267.58 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 22.9 MB in the beginning and 45.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3013.31 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 45.0 MB in the beginning and 58.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * Witness Printer took 115.11 ms. Allocated memory is still 86.0 MB. Free memory was 58.2 MB in the beginning and 52.7 MB in the end (delta: 5.5 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: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 220 SDslu, 247 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 67 NumberOfFragments, 101 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 5904 SizeOfPredicates, 7 NumberOfNonLiveVariables, 789 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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...