./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI --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 808e109e6e5bbd4457b727764ccf6e4076a38ae9 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI --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 808e109e6e5bbd4457b727764ccf6e4076a38ae9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:22,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:22,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:22,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:22,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:22,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:22,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:22,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:22,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:22,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:22,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:22,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:22,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:22,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:22,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:22,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:22,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:22,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:22,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:22,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:22,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:22,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:22,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:22,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:22,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:22,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:22,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:22,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:22,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:22,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:22,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:22,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:22,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:22,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:22,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:22,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:22,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:22,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:22,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:22,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:22,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:22,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:26:22,505 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:22,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:22,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:22,507 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:22,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:22,507 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:22,507 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:22,508 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:22,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:22,508 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:22,508 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:22,509 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:22,509 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:22,509 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:22,509 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:22,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:22,510 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:22,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:22,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:22,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:22,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:22,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:22,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:22,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:22,512 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:22,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:22,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:22,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:22,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:22,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:22,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:22,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:22,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:22,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:22,515 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:22,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:22,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:22,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:22,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:22,516 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_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 808e109e6e5bbd4457b727764ccf6e4076a38ae9 [2021-10-11 02:26:22,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:22,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:22,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:22,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:22,776 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:22,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c [2021-10-11 02:26:22,884 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data/8a8090ad7/12243622f535460d9c416ee6446e3468/FLAGdeccf4b8e [2021-10-11 02:26:23,396 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:23,397 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c [2021-10-11 02:26:23,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data/8a8090ad7/12243622f535460d9c416ee6446e3468/FLAGdeccf4b8e [2021-10-11 02:26:23,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data/8a8090ad7/12243622f535460d9c416ee6446e3468 [2021-10-11 02:26:23,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:23,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:23,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:23,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:23,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:23,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:23" (1/1) ... [2021-10-11 02:26:23,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ccc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:23, skipping insertion in model container [2021-10-11 02:26:23,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:23" (1/1) ... [2021-10-11 02:26:23,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:23,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:24,116 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c[3612,3625] [2021-10-11 02:26:24,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:24,251 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) [2021-10-11 02:26:24,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@cc975a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:24, skipping insertion in model container [2021-10-11 02:26:24,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:24,253 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:24,255 INFO L168 Benchmark]: Toolchain (without parser) took 427.83 ms. Allocated memory is still 94.4 MB. Free memory was 60.6 MB in the beginning and 67.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:24,256 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:24,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.54 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 67.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:24,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 410.54 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 67.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 627]: 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 0.2.0-7b2dab5 [2021-10-11 02:26:26,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:26,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:26,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:26,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:26,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:26,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:26,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:26,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:26,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:26,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:26,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:26,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:26,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:26,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:26,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:26,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:26,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:26,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:26,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:26,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:26,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:26,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:26,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:26,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:26,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:26,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:26,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:26,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:26,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:26,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:26,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:26,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:26,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:26,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:26,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:26,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:26,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:26,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:26,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:26,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:26,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:26:26,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:26,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:26,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:26,604 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:26,604 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:26,604 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:26,604 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:26,604 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:26,605 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:26,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:26,606 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:26,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:26,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:26,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:26,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:26,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:26,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:26,607 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:26,607 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:26,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:26,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:26,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:26,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:26,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:26,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:26,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:26,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:26,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:26,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:26,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:26,610 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:26,610 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:26,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:26,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:26,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:26,610 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_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 808e109e6e5bbd4457b727764ccf6e4076a38ae9 [2021-10-11 02:26:27,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:27,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:27,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:27,024 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:27,025 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:27,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c [2021-10-11 02:26:27,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data/9ab7df7c1/14d8d21f7e6c4ec6bcbc7383c3b33436/FLAG61b204675 [2021-10-11 02:26:27,653 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:27,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c [2021-10-11 02:26:27,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data/9ab7df7c1/14d8d21f7e6c4ec6bcbc7383c3b33436/FLAG61b204675 [2021-10-11 02:26:27,976 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/data/9ab7df7c1/14d8d21f7e6c4ec6bcbc7383c3b33436 [2021-10-11 02:26:27,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:27,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:27,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:27,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:27,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:27,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:27" (1/1) ... [2021-10-11 02:26:27,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9afc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:27, skipping insertion in model container [2021-10-11 02:26:27,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:27" (1/1) ... [2021-10-11 02:26:27,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:28,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:28,215 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c[3612,3625] [2021-10-11 02:26:28,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:28,371 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:26:28,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:28,413 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c[3612,3625] [2021-10-11 02:26:28,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:28,492 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:26:28,511 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c[3612,3625] [2021-10-11 02:26:28,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:28,628 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:26:28,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28 WrapperNode [2021-10-11 02:26:28,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:28,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:28,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:26:28,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:26:28,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:28,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:26:28,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:26:28,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:26:28,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:26:28,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:26:28,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:26:28,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:26:28,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:26:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:26:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:26:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:26:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:26:31,025 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:26:31,025 INFO L299 CfgBuilder]: Removed 168 assume(true) statements. [2021-10-11 02:26:31,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:31 BoogieIcfgContainer [2021-10-11 02:26:31,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:26:31,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:26:31,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:26:31,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:26:31,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:26:27" (1/3) ... [2021-10-11 02:26:31,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118ca614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:31, skipping insertion in model container [2021-10-11 02:26:31,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28" (2/3) ... [2021-10-11 02:26:31,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118ca614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:31, skipping insertion in model container [2021-10-11 02:26:31,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:31" (3/3) ... [2021-10-11 02:26:31,035 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product40.cil.c [2021-10-11 02:26:31,048 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:26:31,051 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:26:31,061 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:26:31,083 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:26:31,084 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:26:31,084 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:26:31,084 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:26:31,084 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:26:31,084 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:26:31,084 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:26:31,084 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:26:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2021-10-11 02:26:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:26:31,106 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:31,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:31,107 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:31,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:31,113 INFO L82 PathProgramCache]: Analyzing trace with hash 228795593, now seen corresponding path program 1 times [2021-10-11 02:26:31,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:31,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726749253] [2021-10-11 02:26:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:26:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:31,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:26:31,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:31,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:31,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726749253] [2021-10-11 02:26:31,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:31,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:31,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970990464] [2021-10-11 02:26:31,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:26:31,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:31,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:26:31,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:31,437 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2021-10-11 02:26:31,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:31,469 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2021-10-11 02:26:31,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:26:31,470 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:26:31,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:31,481 INFO L225 Difference]: With dead ends: 232 [2021-10-11 02:26:31,481 INFO L226 Difference]: Without dead ends: 115 [2021-10-11 02:26:31,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:31,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-11 02:26:31,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-11 02:26:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 02:26:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2021-10-11 02:26:31,556 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 18 [2021-10-11 02:26:31,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:31,556 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2021-10-11 02:26:31,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:26:31,557 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2021-10-11 02:26:31,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:26:31,561 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:31,561 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:31,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:26:31,776 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:31,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:31,777 INFO L82 PathProgramCache]: Analyzing trace with hash 303686568, now seen corresponding path program 1 times [2021-10-11 02:26:31,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:31,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848847580] [2021-10-11 02:26:31,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:26:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:32,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:32,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:32,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:32,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848847580] [2021-10-11 02:26:32,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:32,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:32,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481391092] [2021-10-11 02:26:32,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:32,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:32,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:32,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:32,057 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2021-10-11 02:26:32,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:32,069 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2021-10-11 02:26:32,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:32,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:26:32,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:32,071 INFO L225 Difference]: With dead ends: 115 [2021-10-11 02:26:32,071 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 02:26:32,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:32,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 02:26:32,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 02:26:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 02:26:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-11 02:26:32,081 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-11 02:26:32,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:32,081 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-11 02:26:32,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-11 02:26:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:26:32,082 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:32,083 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] [2021-10-11 02:26:32,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:26:32,283 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:32,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:32,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1740217190, now seen corresponding path program 1 times [2021-10-11 02:26:32,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:32,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407183238] [2021-10-11 02:26:32,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:26:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:32,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:32,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:32,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:32,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407183238] [2021-10-11 02:26:32,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:32,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:32,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420925716] [2021-10-11 02:26:32,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:32,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:32,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:32,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:32,517 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2021-10-11 02:26:32,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:32,585 INFO L93 Difference]: Finished difference Result 135 states and 201 transitions. [2021-10-11 02:26:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:32,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:26:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:32,592 INFO L225 Difference]: With dead ends: 135 [2021-10-11 02:26:32,592 INFO L226 Difference]: Without dead ends: 92 [2021-10-11 02:26:32,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:32,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-11 02:26:32,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2021-10-11 02:26:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-10-11 02:26:32,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2021-10-11 02:26:32,613 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 24 [2021-10-11 02:26:32,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:32,613 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2021-10-11 02:26:32,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2021-10-11 02:26:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:26:32,617 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:32,617 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] [2021-10-11 02:26:32,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:26:32,841 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:32,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:32,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1869059729, now seen corresponding path program 1 times [2021-10-11 02:26:32,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:32,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050618997] [2021-10-11 02:26:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:26:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:33,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:33,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:33,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:33,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050618997] [2021-10-11 02:26:33,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:33,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:33,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235084630] [2021-10-11 02:26:33,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:33,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:33,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:33,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:33,073 INFO L87 Difference]: Start difference. First operand 88 states and 131 transitions. Second operand 3 states. [2021-10-11 02:26:33,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:33,167 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2021-10-11 02:26:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:33,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:26:33,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:33,170 INFO L225 Difference]: With dead ends: 215 [2021-10-11 02:26:33,170 INFO L226 Difference]: Without dead ends: 133 [2021-10-11 02:26:33,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:33,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-11 02:26:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2021-10-11 02:26:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 02:26:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 191 transitions. [2021-10-11 02:26:33,187 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 191 transitions. Word has length 26 [2021-10-11 02:26:33,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:33,187 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 191 transitions. [2021-10-11 02:26:33,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 191 transitions. [2021-10-11 02:26:33,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:26:33,189 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:33,189 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, 1] [2021-10-11 02:26:33,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:26:33,404 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:33,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:33,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1176876603, now seen corresponding path program 1 times [2021-10-11 02:26:33,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:33,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247086739] [2021-10-11 02:26:33,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:26:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:33,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:33,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:33,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:33,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247086739] [2021-10-11 02:26:33,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:33,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:33,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466763268] [2021-10-11 02:26:33,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:33,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:33,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:33,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:33,711 INFO L87 Difference]: Start difference. First operand 131 states and 191 transitions. Second operand 5 states. [2021-10-11 02:26:33,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:33,920 INFO L93 Difference]: Finished difference Result 691 states and 1025 transitions. [2021-10-11 02:26:33,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:26:33,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:26:33,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:33,924 INFO L225 Difference]: With dead ends: 691 [2021-10-11 02:26:33,924 INFO L226 Difference]: Without dead ends: 566 [2021-10-11 02:26:33,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:26:33,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2021-10-11 02:26:33,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 222. [2021-10-11 02:26:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2021-10-11 02:26:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 314 transitions. [2021-10-11 02:26:33,973 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 314 transitions. Word has length 27 [2021-10-11 02:26:33,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:33,974 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 314 transitions. [2021-10-11 02:26:33,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 314 transitions. [2021-10-11 02:26:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:26:33,975 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:33,975 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, 1, 1] [2021-10-11 02:26:34,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:26:34,196 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:34,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:34,197 INFO L82 PathProgramCache]: Analyzing trace with hash -523387139, now seen corresponding path program 1 times [2021-10-11 02:26:34,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:34,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408834894] [2021-10-11 02:26:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:26:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:26:35,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:26:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:26:35,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:26:36,047 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:26:36,047 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:26:36,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:26:36,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:36 BoogieIcfgContainer [2021-10-11 02:26:36,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:36,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:36,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:36,375 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:36,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:31" (3/4) ... [2021-10-11 02:26:36,377 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:26:36,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01713d0d-89a3-4ca9-a43b-4f4776ba2d63/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:36,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:36,473 INFO L168 Benchmark]: Toolchain (without parser) took 8492.63 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 42.7 MB in the beginning and 46.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:36,473 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:36,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.99 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 42.6 MB in the beginning and 59.9 MB in the end (delta: -17.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:36,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.84 ms. Allocated memory is still 77.6 MB. Free memory was 59.9 MB in the beginning and 56.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:36,475 INFO L168 Benchmark]: Boogie Preprocessor took 62.39 ms. Allocated memory is still 77.6 MB. Free memory was 56.4 MB in the beginning and 53.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:36,475 INFO L168 Benchmark]: RCFGBuilder took 2262.51 ms. Allocated memory is still 77.6 MB. Free memory was 53.3 MB in the beginning and 40.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:36,476 INFO L168 Benchmark]: TraceAbstraction took 5345.47 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 40.0 MB in the beginning and 57.5 MB in the end (delta: -17.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:36,476 INFO L168 Benchmark]: Witness Printer took 96.79 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 46.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:36,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 647.99 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 42.6 MB in the beginning and 59.9 MB in the end (delta: -17.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.84 ms. Allocated memory is still 77.6 MB. Free memory was 59.9 MB in the beginning and 56.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.39 ms. Allocated memory is still 77.6 MB. Free memory was 56.4 MB in the beginning and 53.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2262.51 ms. Allocated memory is still 77.6 MB. Free memory was 53.3 MB in the beginning and 40.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5345.47 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 40.0 MB in the beginning and 57.5 MB in the end (delta: -17.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * Witness Printer took 96.79 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 46.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L231] int waterLevel = 1; [L232] int methaneLevelCritical = 0; [L329] int pumpRunning = 0; [L330] int systemActive = 1; [L768] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L540] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L548] tmp = __VERIFIER_nondet_int() [L550] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] COND TRUE waterLevel < 2 [L250] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L576] tmp___1 = __VERIFIER_nondet_int() [L578] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L510] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L517] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L336] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L343] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L186] int tmp ; [L187] int tmp___0 ; [L188] int tmp___1 ; [L270] int retValue_acc ; [L273] retValue_acc = methaneLevelCritical [L274] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L192] tmp = isMethaneLevelCritical() [L194] COND FALSE !(\read(tmp)) [L302] int retValue_acc ; [L305] retValue_acc = waterLevel [L306] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L198] tmp___0 = getWaterLevel() [L200] COND TRUE tmp___0 == 2 [L443] int retValue_acc ; [L446] retValue_acc = pumpRunning [L447] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L202] tmp___1 = isPumpRunning() [L204] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L223] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 495 SDtfs, 458 SDslu, 382 SDs, 0 SdLazy, 63 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s 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, 5 MinimizatonAttempts, 350 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5137 SizeOfPredicates, 4 NumberOfNonLiveVariables, 997 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 incorrect! Received shutdown request...