./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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 934ab0390c329c7530c5b91d73a3c4d56fdd69be ............................................................................................................................................ 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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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 934ab0390c329c7530c5b91d73a3c4d56fdd69be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:51,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:51,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:51,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:51,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:51,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:51,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:51,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:51,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:51,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:51,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:51,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:51,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:51,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:51,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:51,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:51,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:51,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:51,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:51,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:51,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:51,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:51,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:51,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:51,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:51,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:51,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:51,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:51,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:51,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:51,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:51,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:51,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:51,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:51,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:51,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:51,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:51,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:51,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:51,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:51,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:51,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:51,438 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:51,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:51,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:51,439 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:51,440 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:51,440 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:51,440 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:51,440 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:51,440 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:51,441 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:51,442 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:51,442 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:51,442 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:51,442 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:51,442 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:51,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:51,443 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:51,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:51,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:51,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:51,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:51,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:51,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:51,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:51,445 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:51,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:51,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:51,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:51,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:51,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:51,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:51,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:51,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:51,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:51,447 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:51,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:51,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:51,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:51,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:51,448 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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 934ab0390c329c7530c5b91d73a3c4d56fdd69be [2021-10-11 02:30:51,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:51,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:51,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:51,746 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:51,747 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:51,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2021-10-11 02:30:51,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data/a41f5c27c/4b2b3ba58d294d13b2d6b720259ecbb3/FLAG60f2c37a3 [2021-10-11 02:30:52,309 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:52,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2021-10-11 02:30:52,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data/a41f5c27c/4b2b3ba58d294d13b2d6b720259ecbb3/FLAG60f2c37a3 [2021-10-11 02:30:52,639 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data/a41f5c27c/4b2b3ba58d294d13b2d6b720259ecbb3 [2021-10-11 02:30:52,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:52,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:52,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:52,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:52,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:52,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:52" (1/1) ... [2021-10-11 02:30:52,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406f7ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:52, skipping insertion in model container [2021-10-11 02:30:52,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:52" (1/1) ... [2021-10-11 02:30:52,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:52,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:52,931 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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1281,1294] [2021-10-11 02:30:53,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:53,065 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 02:30:53,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ceb4785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:53, skipping insertion in model container [2021-10-11 02:30:53,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:53,066 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:53,068 INFO L168 Benchmark]: Toolchain (without parser) took 424.34 ms. Allocated memory is still 98.6 MB. Free memory was 56.4 MB in the beginning and 70.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:53,075 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 73.4 MB in the beginning and 73.3 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:53,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.90 ms. Allocated memory is still 98.6 MB. Free memory was 56.2 MB in the beginning and 70.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:53,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 73.4 MB in the beginning and 73.3 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.90 ms. Allocated memory is still 98.6 MB. Free memory was 56.2 MB in the beginning and 70.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:55,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:55,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:55,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:55,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:55,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:55,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:55,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:55,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:55,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:55,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:55,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:55,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:55,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:55,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:55,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:55,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:55,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:55,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:55,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:55,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:55,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:55,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:55,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:55,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:55,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:55,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:55,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:55,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:55,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:55,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:55,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:55,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:55,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:55,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:55,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:55,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:55,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:55,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:55,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:55,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:55,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:55,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:55,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:55,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:55,621 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:55,621 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:55,621 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:55,621 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:55,622 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:55,622 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:55,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:55,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:55,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:55,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:55,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:55,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:55,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:55,626 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:55,626 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:55,627 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:55,627 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:55,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:55,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:55,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:55,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:55,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:55,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:55,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:55,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:55,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:55,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:55,630 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:55,630 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:55,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:55,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:55,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:55,631 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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 934ab0390c329c7530c5b91d73a3c4d56fdd69be [2021-10-11 02:30:55,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:56,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:56,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:56,004 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:56,004 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:56,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2021-10-11 02:30:56,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data/fef6f5128/ba2025733bb14ed28b0baa50191e0245/FLAG361ca6c19 [2021-10-11 02:30:56,707 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:56,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2021-10-11 02:30:56,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data/fef6f5128/ba2025733bb14ed28b0baa50191e0245/FLAG361ca6c19 [2021-10-11 02:30:56,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/data/fef6f5128/ba2025733bb14ed28b0baa50191e0245 [2021-10-11 02:30:56,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:56,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:56,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:56,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:57,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:57,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:56" (1/1) ... [2021-10-11 02:30:57,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c50a7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57, skipping insertion in model container [2021-10-11 02:30:57,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:56" (1/1) ... [2021-10-11 02:30:57,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:57,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:57,215 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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1281,1294] [2021-10-11 02:30:57,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:57,451 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:57,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:57,481 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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1281,1294] [2021-10-11 02:30:57,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:57,607 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:57,636 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_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1281,1294] [2021-10-11 02:30:57,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:57,711 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:57,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57 WrapperNode [2021-10-11 02:30:57,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:57,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:57,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:57,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:57,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... [2021-10-11 02:30:57,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... [2021-10-11 02:30:57,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:57,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:57,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:57,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:57,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... [2021-10-11 02:30:57,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... [2021-10-11 02:30:57,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... [2021-10-11 02:30:57,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... [2021-10-11 02:30:57,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... [2021-10-11 02:30:57,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... [2021-10-11 02:30:57,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... [2021-10-11 02:30:57,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:57,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:57,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:57,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:57,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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 02:30:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:57,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:00,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:00,255 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-11 02:31:00,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:00 BoogieIcfgContainer [2021-10-11 02:31:00,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:00,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:00,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:00,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:00,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:56" (1/3) ... [2021-10-11 02:31:00,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89960e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:00, skipping insertion in model container [2021-10-11 02:31:00,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:57" (2/3) ... [2021-10-11 02:31:00,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89960e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:00, skipping insertion in model container [2021-10-11 02:31:00,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:00" (3/3) ... [2021-10-11 02:31:00,266 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2021-10-11 02:31:00,280 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:00,284 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:31:00,293 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:31:00,324 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:00,326 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:00,327 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:00,327 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:00,327 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:00,327 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:00,327 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:00,328 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:00,345 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 02:31:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:31:00,352 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:00,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:00,354 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:00,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:00,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-11 02:31:00,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:00,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775364046] [2021-10-11 02:31:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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 02:31:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:00,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:00,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:00,690 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 02:31:00,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:00,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775364046] [2021-10-11 02:31:00,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:00,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:00,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104411003] [2021-10-11 02:31:00,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:00,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:00,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:00,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:00,720 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 02:31:00,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:00,761 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 02:31:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:00,763 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:31:00,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:00,775 INFO L225 Difference]: With dead ends: 112 [2021-10-11 02:31:00,776 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:31:00,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 02:31:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:31:00,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:31:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:31:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 02:31:00,830 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 02:31:00,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:00,831 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 02:31:00,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 02:31:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:31:00,833 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:00,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:01,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:01,055 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:01,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:01,058 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-11 02:31:01,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:01,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833581111] [2021-10-11 02:31:01,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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 02:31:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:01,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:01,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:01,301 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 02:31:01,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:01,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833581111] [2021-10-11 02:31:01,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:01,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:01,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042020941] [2021-10-11 02:31:01,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:01,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:01,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:01,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:01,305 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 02:31:01,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:01,317 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 02:31:01,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:01,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:31:01,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:01,321 INFO L225 Difference]: With dead ends: 55 [2021-10-11 02:31:01,322 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:31:01,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 02:31:01,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:31:01,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 02:31:01,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 02:31:01,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 02:31:01,330 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 02:31:01,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:01,333 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 02:31:01,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:01,334 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 02:31:01,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:31:01,335 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:01,336 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] [2021-10-11 02:31:01,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:01,552 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:01,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:01,553 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-11 02:31:01,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:01,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67041661] [2021-10-11 02:31:01,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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 02:31:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:01,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:01,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:01,877 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 02:31:01,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:01,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67041661] [2021-10-11 02:31:01,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:01,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:01,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299948971] [2021-10-11 02:31:01,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:01,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:01,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:01,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:01,886 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2021-10-11 02:31:01,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:01,910 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-11 02:31:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:01,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:31:01,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:01,915 INFO L225 Difference]: With dead ends: 75 [2021-10-11 02:31:01,915 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 02:31:01,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 02:31:01,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 02:31:01,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-11 02:31:01,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 02:31:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 02:31:01,938 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 02:31:01,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:01,938 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 02:31:01,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 02:31:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:31:01,940 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:01,940 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] [2021-10-11 02:31:02,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:31:02,156 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:02,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:02,157 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-11 02:31:02,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:02,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362994739] [2021-10-11 02:31:02,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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 02:31:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:02,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:02,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:02,454 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 02:31:02,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:02,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [362994739] [2021-10-11 02:31:02,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:02,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:02,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772837488] [2021-10-11 02:31:02,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:02,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:02,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:02,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:02,458 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2021-10-11 02:31:02,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:02,612 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2021-10-11 02:31:02,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:31:02,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:31:02,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:02,617 INFO L225 Difference]: With dead ends: 169 [2021-10-11 02:31:02,617 INFO L226 Difference]: Without dead ends: 127 [2021-10-11 02:31:02,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 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 02:31:02,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-11 02:31:02,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2021-10-11 02:31:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:31:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2021-10-11 02:31:02,645 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2021-10-11 02:31:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:02,646 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2021-10-11 02:31:02,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2021-10-11 02:31:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:31:02,647 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:02,647 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] [2021-10-11 02:31:02,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:02,862 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:02,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:02,863 INFO L82 PathProgramCache]: Analyzing trace with hash -170450738, now seen corresponding path program 1 times [2021-10-11 02:31:02,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:02,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785583217] [2021-10-11 02:31:02,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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 02:31:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:03,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:31:03,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:03,123 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 02:31:03,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:03,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785583217] [2021-10-11 02:31:03,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:03,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:03,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120409986] [2021-10-11 02:31:03,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:31:03,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:03,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:31:03,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:31:03,126 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 6 states. [2021-10-11 02:31:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:04,905 INFO L93 Difference]: Finished difference Result 230 states and 342 transitions. [2021-10-11 02:31:04,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:31:04,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2021-10-11 02:31:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:04,908 INFO L225 Difference]: With dead ends: 230 [2021-10-11 02:31:04,908 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 02:31:04,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:31:04,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 02:31:04,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 156. [2021-10-11 02:31:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2021-10-11 02:31:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 223 transitions. [2021-10-11 02:31:04,934 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 223 transitions. Word has length 23 [2021-10-11 02:31:04,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:04,934 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 223 transitions. [2021-10-11 02:31:04,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:31:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 223 transitions. [2021-10-11 02:31:04,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:31:04,941 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:04,941 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] [2021-10-11 02:31:05,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:05,157 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:05,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:05,158 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2021-10-11 02:31:05,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:05,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346140026] [2021-10-11 02:31:05,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/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 02:31:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:05,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:05,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:05,422 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 02:31:05,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:05,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346140026] [2021-10-11 02:31:05,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:05,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:05,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495397976] [2021-10-11 02:31:05,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:05,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:05,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:05,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:05,428 INFO L87 Difference]: Start difference. First operand 156 states and 223 transitions. Second operand 3 states. [2021-10-11 02:31:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:05,452 INFO L93 Difference]: Finished difference Result 209 states and 298 transitions. [2021-10-11 02:31:05,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:05,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:31:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:05,453 INFO L225 Difference]: With dead ends: 209 [2021-10-11 02:31:05,453 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:31:05,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 02:31:05,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:31:05,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:31:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:31:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:31:05,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:31:05,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:05,456 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:31:05,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:31:05,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:31:05,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:31:05,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:31:06,303 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:31:06,303 INFO L262 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:31:06,304 INFO L262 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2021-10-11 02:31:06,304 INFO L262 CegarLoopResult]: For program point L779-1(lines 542 548) no Hoare annotation was computed. [2021-10-11 02:31:06,304 INFO L258 CegarLoopResult]: At program point L746-1(lines 1 858) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967294 32)) (_ bv0 32))) (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:31:06,304 INFO L262 CegarLoopResult]: For program point L746-2(lines 746 759) no Hoare annotation was computed. [2021-10-11 02:31:06,304 INFO L258 CegarLoopResult]: At program point L746-3(lines 1 858) the Hoare annotation is: false [2021-10-11 02:31:06,304 INFO L262 CegarLoopResult]: For program point L746-4(lines 746 759) no Hoare annotation was computed. [2021-10-11 02:31:06,304 INFO L258 CegarLoopResult]: At program point L746-5(lines 1 858) the Hoare annotation is: false [2021-10-11 02:31:06,305 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:31:06,305 INFO L262 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2021-10-11 02:31:06,305 INFO L262 CegarLoopResult]: For program point L664-3(lines 664 668) no Hoare annotation was computed. [2021-10-11 02:31:06,305 INFO L262 CegarLoopResult]: For program point L664-6(lines 664 668) no Hoare annotation was computed. [2021-10-11 02:31:06,305 INFO L262 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2021-10-11 02:31:06,305 INFO L265 CegarLoopResult]: At program point L846-1(lines 846 853) the Hoare annotation is: true [2021-10-11 02:31:06,305 INFO L258 CegarLoopResult]: At program point L549(lines 549 555) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:06,305 INFO L258 CegarLoopResult]: At program point L549-1(lines 549 555) the Hoare annotation is: false [2021-10-11 02:31:06,305 INFO L258 CegarLoopResult]: At program point L549-2(lines 549 555) the Hoare annotation is: false [2021-10-11 02:31:06,306 INFO L258 CegarLoopResult]: At program point L450(lines 445 453) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:06,306 INFO L262 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2021-10-11 02:31:06,306 INFO L258 CegarLoopResult]: At program point L518(lines 469 519) the Hoare annotation is: false [2021-10-11 02:31:06,306 INFO L258 CegarLoopResult]: At program point L733(lines 728 736) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:31:06,306 INFO L258 CegarLoopResult]: At program point L733-1(lines 728 736) the Hoare annotation is: false [2021-10-11 02:31:06,306 INFO L258 CegarLoopResult]: At program point L733-2(lines 728 736) the Hoare annotation is: false [2021-10-11 02:31:06,306 INFO L258 CegarLoopResult]: At program point L601(lines 596 604) the Hoare annotation is: false [2021-10-11 02:31:06,306 INFO L258 CegarLoopResult]: At program point L601-1(lines 596 604) the Hoare annotation is: false [2021-10-11 02:31:06,307 INFO L258 CegarLoopResult]: At program point L601-2(lines 596 604) the Hoare annotation is: false [2021-10-11 02:31:06,307 INFO L262 CegarLoopResult]: For program point L750(lines 750 756) no Hoare annotation was computed. [2021-10-11 02:31:06,307 INFO L262 CegarLoopResult]: For program point L750-2(lines 750 756) no Hoare annotation was computed. [2021-10-11 02:31:06,307 INFO L262 CegarLoopResult]: For program point L750-4(lines 750 756) no Hoare annotation was computed. [2021-10-11 02:31:06,307 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:31:06,307 INFO L262 CegarLoopResult]: For program point L471(lines 470 517) no Hoare annotation was computed. [2021-10-11 02:31:06,307 INFO L262 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2021-10-11 02:31:06,307 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:31:06,307 INFO L262 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-10-11 02:31:06,308 INFO L258 CegarLoopResult]: At program point L506-1(lines 542 548) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:06,308 INFO L262 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-10-11 02:31:06,308 INFO L262 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2021-10-11 02:31:06,308 INFO L258 CegarLoopResult]: At program point L490-1(lines 490 496) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:31:06,308 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:31:06,308 INFO L258 CegarLoopResult]: At program point L442(lines 1 858) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:06,308 INFO L265 CegarLoopResult]: At program point L855(lines 836 858) the Hoare annotation is: true [2021-10-11 02:31:06,309 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:31:06,309 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:31:06,309 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:31:06,309 INFO L258 CegarLoopResult]: At program point L542(lines 541 560) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:06,309 INFO L262 CegarLoopResult]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2021-10-11 02:31:06,309 INFO L258 CegarLoopResult]: At program point L542-2(lines 541 560) the Hoare annotation is: false [2021-10-11 02:31:06,309 INFO L258 CegarLoopResult]: At program point L542-3(lines 541 560) the Hoare annotation is: false [2021-10-11 02:31:06,309 INFO L258 CegarLoopResult]: At program point L823(lines 819 825) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:06,310 INFO L258 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2021-10-11 02:31:06,310 INFO L262 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2021-10-11 02:31:06,310 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:31:06,310 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:31:06,310 INFO L262 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2021-10-11 02:31:06,310 INFO L262 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2021-10-11 02:31:06,310 INFO L258 CegarLoopResult]: At program point L645-1(lines 645 651) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:06,310 INFO L262 CegarLoopResult]: For program point L480(lines 480 486) no Hoare annotation was computed. [2021-10-11 02:31:06,311 INFO L258 CegarLoopResult]: At program point L480-1(lines 480 486) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:31:06,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:06 BoogieIcfgContainer [2021-10-11 02:31:06,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:06,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:06,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:06,357 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:06,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:00" (3/4) ... [2021-10-11 02:31:06,361 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:31:06,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:31:06,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:31:06,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:31:06,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:31:06,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:31:06,380 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:06,380 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:06,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:31:06,415 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:31:06,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:31:06,418 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:31:06,467 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b09c0d1-a087-49cb-81bb-6a9f23d0e932/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:06,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:06,472 INFO L168 Benchmark]: Toolchain (without parser) took 9474.93 ms. Allocated memory was 50.3 MB in the beginning and 77.6 MB in the end (delta: 27.3 MB). Free memory was 26.7 MB in the beginning and 55.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:06,473 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory was 31.5 MB in the beginning and 31.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:06,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.84 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.6 MB in the beginning and 28.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:06,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.77 ms. Allocated memory is still 60.8 MB. Free memory was 28.0 MB in the beginning and 43.4 MB in the end (delta: -15.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:06,475 INFO L168 Benchmark]: Boogie Preprocessor took 48.69 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 41.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:06,476 INFO L168 Benchmark]: RCFGBuilder took 2416.01 ms. Allocated memory is still 60.8 MB. Free memory was 41.4 MB in the beginning and 29.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:06,476 INFO L168 Benchmark]: TraceAbstraction took 6096.22 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 28.6 MB in the beginning and 29.2 MB in the end (delta: -583.5 kB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:06,477 INFO L168 Benchmark]: Witness Printer took 115.10 ms. Allocated memory is still 77.6 MB. Free memory was 29.2 MB in the beginning and 55.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:06,479 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 50.3 MB. Free memory was 31.5 MB in the beginning and 31.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 712.84 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.6 MB in the beginning and 28.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.77 ms. Allocated memory is still 60.8 MB. Free memory was 28.0 MB in the beginning and 43.4 MB in the end (delta: -15.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.69 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 41.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2416.01 ms. Allocated memory is still 60.8 MB. Free memory was 41.4 MB in the beginning and 29.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6096.22 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 28.6 MB in the beginning and 29.2 MB in the end (delta: -583.5 kB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Witness Printer took 115.10 ms. Allocated memory is still 77.6 MB. Free memory was 29.2 MB in the beginning and 55.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 272 SDslu, 350 SDs, 0 SdLazy, 81 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred 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, 6 MinimizatonAttempts, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 58 NumberOfFragments, 330 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1073 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 7061 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1169 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...