./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product51.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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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 766a879002f02395031e659ac25b856858b20e6e ............................................................................................................................................ 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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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 766a879002f02395031e659ac25b856858b20e6e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:16,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:16,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:16,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:16,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:16,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:16,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:16,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:16,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:16,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:16,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:16,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:16,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:16,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:16,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:16,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:16,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:16,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:16,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:16,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:16,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:16,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:16,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:16,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:16,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:16,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:16,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:16,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:16,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:16,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:16,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:16,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:16,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:16,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:16,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:16,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:16,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:16,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:16,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:16,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:16,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:16,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:16,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:16,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:16,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:16,500 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:16,500 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:16,500 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:16,501 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:16,501 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:16,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:16,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:16,508 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:16,509 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:16,509 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:16,509 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:16,509 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:16,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:16,510 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:16,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:16,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:16,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:16,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:16,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:16,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:16,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:16,512 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:16,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:16,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:16,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:16,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:16,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:16,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:16,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:16,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:16,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:16,516 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:16,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:16,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:16,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:16,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:16,517 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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 766a879002f02395031e659ac25b856858b20e6e [2021-10-11 02:28:16,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:16,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:16,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:16,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:16,861 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:16,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c [2021-10-11 02:28:16,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data/6f635015b/2f12dcdd9dcf4fbd8d561bac48249662/FLAGd2519bbb9 [2021-10-11 02:28:17,470 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:17,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c [2021-10-11 02:28:17,484 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data/6f635015b/2f12dcdd9dcf4fbd8d561bac48249662/FLAGd2519bbb9 [2021-10-11 02:28:17,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data/6f635015b/2f12dcdd9dcf4fbd8d561bac48249662 [2021-10-11 02:28:17,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:17,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:17,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:17,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:17,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:17,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:17" (1/1) ... [2021-10-11 02:28:17,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98f58db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:17, skipping insertion in model container [2021-10-11 02:28:17,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:17" (1/1) ... [2021-10-11 02:28:17,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:17,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:18,186 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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c[18465,18478] [2021-10-11 02:28:18,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:18,201 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 02:28:18,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e3e442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:18, skipping insertion in model container [2021-10-11 02:28:18,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:18,203 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:18,205 INFO L168 Benchmark]: Toolchain (without parser) took 400.76 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 70.2 MB in the beginning and 95.1 MB in the end (delta: -24.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:18,206 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:18,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.89 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 69.9 MB in the beginning and 95.1 MB in the end (delta: -25.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:18,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.89 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 69.9 MB in the beginning and 95.1 MB in the end (delta: -25.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 637]: 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 02:28:20,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:20,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:20,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:20,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:20,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:20,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:20,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:20,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:20,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:20,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:20,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:20,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:20,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:20,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:20,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:20,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:20,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:20,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:20,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:20,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:20,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:20,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:20,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:20,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:20,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:20,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:20,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:20,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:20,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:20,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:20,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:20,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:20,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:20,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:20,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:20,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:20,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:20,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:20,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:20,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:20,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:20,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:20,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:20,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:20,616 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:20,616 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:20,616 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:20,617 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:20,617 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:20,617 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:20,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:20,620 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:20,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:20,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:20,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:20,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:20,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:20,622 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:20,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:20,622 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:20,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:20,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:20,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:20,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:20,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:20,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:20,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:20,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:20,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:20,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:20,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:20,626 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:20,626 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:20,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:20,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:20,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:20,627 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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 766a879002f02395031e659ac25b856858b20e6e [2021-10-11 02:28:21,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:21,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:21,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:21,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:21,066 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:21,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c [2021-10-11 02:28:21,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data/0f8635ea0/e57f330335714e85b3b44bc1f05e260f/FLAG9da6b1cfa [2021-10-11 02:28:21,741 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:21,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c [2021-10-11 02:28:21,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data/0f8635ea0/e57f330335714e85b3b44bc1f05e260f/FLAG9da6b1cfa [2021-10-11 02:28:22,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/data/0f8635ea0/e57f330335714e85b3b44bc1f05e260f [2021-10-11 02:28:22,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:22,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:22,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:22,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:22,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:22,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c2ac43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22, skipping insertion in model container [2021-10-11 02:28:22,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:22,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:22,483 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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c[18465,18478] [2021-10-11 02:28:22,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:22,511 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:28:22,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:22,615 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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c[18465,18478] [2021-10-11 02:28:22,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:22,621 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:22,677 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_4e5cad0c-5b9c-456a-b464-15796bd75cf1/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c[18465,18478] [2021-10-11 02:28:22,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:22,714 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:22,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22 WrapperNode [2021-10-11 02:28:22,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:22,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:22,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:22,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:22,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:22,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:22,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:22,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:22,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:22,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:22,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:22,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:22,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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 02:28:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:25,602 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:25,602 INFO L299 CfgBuilder]: Removed 166 assume(true) statements. [2021-10-11 02:28:25,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:25 BoogieIcfgContainer [2021-10-11 02:28:25,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:25,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:25,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:25,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:25,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:22" (1/3) ... [2021-10-11 02:28:25,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d7bbd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:25, skipping insertion in model container [2021-10-11 02:28:25,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (2/3) ... [2021-10-11 02:28:25,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d7bbd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:25, skipping insertion in model container [2021-10-11 02:28:25,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:25" (3/3) ... [2021-10-11 02:28:25,614 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product51.cil.c [2021-10-11 02:28:25,629 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:25,633 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:28:25,644 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:28:25,670 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:25,671 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:25,671 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:25,671 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:25,671 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:25,671 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:25,671 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:25,672 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2021-10-11 02:28:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:28:25,694 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:25,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:25,695 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:25,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:25,701 INFO L82 PathProgramCache]: Analyzing trace with hash 335687254, now seen corresponding path program 1 times [2021-10-11 02:28:25,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:25,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490754179] [2021-10-11 02:28:25,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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 02:28:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:26,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:26,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:26,089 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 02:28:26,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:26,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490754179] [2021-10-11 02:28:26,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:26,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:26,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998542867] [2021-10-11 02:28:26,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:26,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:26,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:26,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:26,127 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2021-10-11 02:28:26,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:26,164 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2021-10-11 02:28:26,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:26,165 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:28:26,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:26,176 INFO L225 Difference]: With dead ends: 244 [2021-10-11 02:28:26,176 INFO L226 Difference]: Without dead ends: 121 [2021-10-11 02:28:26,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:26,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-11 02:28:26,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-11 02:28:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2021-10-11 02:28:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2021-10-11 02:28:26,230 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 18 [2021-10-11 02:28:26,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:26,231 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2021-10-11 02:28:26,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2021-10-11 02:28:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:28:26,237 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:26,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:26,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:26,439 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:26,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:26,439 INFO L82 PathProgramCache]: Analyzing trace with hash -575343499, now seen corresponding path program 1 times [2021-10-11 02:28:26,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:26,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413600285] [2021-10-11 02:28:26,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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 02:28:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:26,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:26,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:26,737 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 02:28:26,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:26,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413600285] [2021-10-11 02:28:26,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:26,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:26,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601399284] [2021-10-11 02:28:26,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:26,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:26,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:26,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:26,741 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand 3 states. [2021-10-11 02:28:26,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:26,760 INFO L93 Difference]: Finished difference Result 121 states and 177 transitions. [2021-10-11 02:28:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:26,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:28:26,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:26,767 INFO L225 Difference]: With dead ends: 121 [2021-10-11 02:28:26,767 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:28:26,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:26,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:28:26,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:28:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:28:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-11 02:28:26,791 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2021-10-11 02:28:26,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:26,791 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-11 02:28:26,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-11 02:28:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:28:26,792 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:26,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:27,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:27,004 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:27,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:27,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1538545843, now seen corresponding path program 1 times [2021-10-11 02:28:27,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:27,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182689097] [2021-10-11 02:28:27,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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 02:28:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:27,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:27,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:27,296 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 02:28:27,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:27,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182689097] [2021-10-11 02:28:27,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:27,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:27,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566818692] [2021-10-11 02:28:27,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:27,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:27,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:27,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:27,311 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 3 states. [2021-10-11 02:28:27,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:27,350 INFO L93 Difference]: Finished difference Result 141 states and 210 transitions. [2021-10-11 02:28:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:27,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:28:27,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:27,355 INFO L225 Difference]: With dead ends: 141 [2021-10-11 02:28:27,356 INFO L226 Difference]: Without dead ends: 96 [2021-10-11 02:28:27,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:27,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-10-11 02:28:27,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2021-10-11 02:28:27,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2021-10-11 02:28:27,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2021-10-11 02:28:27,371 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 24 [2021-10-11 02:28:27,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:27,371 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2021-10-11 02:28:27,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:27,372 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2021-10-11 02:28:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:28:27,373 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:27,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:27,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:27,585 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:27,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:27,586 INFO L82 PathProgramCache]: Analyzing trace with hash -560581361, now seen corresponding path program 1 times [2021-10-11 02:28:27,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:27,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441774201] [2021-10-11 02:28:27,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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 02:28:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:27,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:27,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:27,931 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 02:28:27,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:27,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441774201] [2021-10-11 02:28:27,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:27,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:27,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631303841] [2021-10-11 02:28:27,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:27,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:27,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:27,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:27,936 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2021-10-11 02:28:28,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:28,030 INFO L93 Difference]: Finished difference Result 223 states and 336 transitions. [2021-10-11 02:28:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:28,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:28:28,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:28,033 INFO L225 Difference]: With dead ends: 223 [2021-10-11 02:28:28,033 INFO L226 Difference]: Without dead ends: 137 [2021-10-11 02:28:28,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:28,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-11 02:28:28,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2021-10-11 02:28:28,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-10-11 02:28:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 197 transitions. [2021-10-11 02:28:28,058 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 197 transitions. Word has length 26 [2021-10-11 02:28:28,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:28,058 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 197 transitions. [2021-10-11 02:28:28,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2021-10-11 02:28:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:28:28,060 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:28,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:28,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:28,272 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:28,272 INFO L82 PathProgramCache]: Analyzing trace with hash 364943842, now seen corresponding path program 1 times [2021-10-11 02:28:28,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:28,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396765140] [2021-10-11 02:28:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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 02:28:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:28,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:28,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:28,563 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 02:28:28,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:28,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396765140] [2021-10-11 02:28:28,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:28,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:28,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192640911] [2021-10-11 02:28:28,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:28,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:28,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:28,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:28,566 INFO L87 Difference]: Start difference. First operand 135 states and 197 transitions. Second operand 5 states. [2021-10-11 02:28:28,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:28,752 INFO L93 Difference]: Finished difference Result 707 states and 1049 transitions. [2021-10-11 02:28:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:28:28,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:28:28,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:28,757 INFO L225 Difference]: With dead ends: 707 [2021-10-11 02:28:28,757 INFO L226 Difference]: Without dead ends: 578 [2021-10-11 02:28:28,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:28:28,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-10-11 02:28:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 226. [2021-10-11 02:28:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2021-10-11 02:28:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 320 transitions. [2021-10-11 02:28:28,791 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 320 transitions. Word has length 27 [2021-10-11 02:28:28,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:28,791 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 320 transitions. [2021-10-11 02:28:28,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:28,791 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 320 transitions. [2021-10-11 02:28:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:28:28,793 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:28,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:29,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:29,009 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:29,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:29,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1335319900, now seen corresponding path program 1 times [2021-10-11 02:28:29,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:29,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792909405] [2021-10-11 02:28:29,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/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 02:28:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:29,996 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:31,048 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:31,186 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:28:31,186 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:28:31,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:28:31,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:31 BoogieIcfgContainer [2021-10-11 02:28:31,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:31,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:31,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:31,485 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:31,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:25" (3/4) ... [2021-10-11 02:28:31,487 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:28:31,581 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cad0c-5b9c-456a-b464-15796bd75cf1/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:31,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:31,583 INFO L168 Benchmark]: Toolchain (without parser) took 9553.81 ms. Allocated memory was 67.1 MB in the beginning and 111.1 MB in the end (delta: 44.0 MB). Free memory was 46.1 MB in the beginning and 54.5 MB in the end (delta: -8.5 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:31,583 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:31,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.62 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 31.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:31,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.93 ms. Allocated memory is still 67.1 MB. Free memory was 31.3 MB in the beginning and 49.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:31,586 INFO L168 Benchmark]: Boogie Preprocessor took 96.10 ms. Allocated memory is still 67.1 MB. Free memory was 49.0 MB in the beginning and 46.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:31,586 INFO L168 Benchmark]: RCFGBuilder took 2690.54 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 45.9 MB in the beginning and 58.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:31,587 INFO L168 Benchmark]: TraceAbstraction took 5877.41 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 57.9 MB in the beginning and 66.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:31,587 INFO L168 Benchmark]: Witness Printer took 96.83 ms. Allocated memory is still 111.1 MB. Free memory was 66.1 MB in the beginning and 54.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:31,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 685.62 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 31.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.93 ms. Allocated memory is still 67.1 MB. Free memory was 31.3 MB in the beginning and 49.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.10 ms. Allocated memory is still 67.1 MB. Free memory was 49.0 MB in the beginning and 46.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2690.54 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 45.9 MB in the beginning and 58.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5877.41 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 57.9 MB in the beginning and 66.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Witness Printer took 96.83 ms. Allocated memory is still 111.1 MB. Free memory was 66.1 MB in the beginning and 54.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 979]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int waterLevel = 1; [L51] int methaneLevelCritical = 0; [L227] int pumpRunning = 0; [L228] int systemActive = 1; [L475] int cleanupTimeShifts = 4; [L778] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L551] int retValue_acc ; [L552] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L600] int retValue_acc ; [L603] retValue_acc = 1 [L604] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L558] tmp = valid_product() [L560] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] int splverifierCounter ; [L158] int tmp ; [L159] int tmp___0 ; [L160] int tmp___1 ; [L161] int tmp___2 ; [L164] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L168] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L174] tmp = __VERIFIER_nondet_int() [L176] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L68] COND TRUE waterLevel < 2 [L69] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] tmp___0 = __VERIFIER_nondet_int() [L186] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L194] tmp___2 = __VERIFIER_nondet_int() [L196] COND FALSE !(\read(tmp___2)) [L200] tmp___1 = __VERIFIER_nondet_int() [L202] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L428] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L435] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L235] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L242] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L442] int tmp ; [L443] int tmp___0 ; [L444] int tmp___1 ; [L89] int retValue_acc ; [L92] retValue_acc = methaneLevelCritical [L93] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L448] tmp = isMethaneLevelCritical() [L450] COND FALSE !(\read(tmp)) [L121] int retValue_acc ; [L124] retValue_acc = waterLevel [L125] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L454] tmp___0 = getWaterLevel() [L456] COND TRUE tmp___0 == 2 [L342] int retValue_acc ; [L345] retValue_acc = pumpRunning [L346] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L458] tmp___1 = isPumpRunning() [L460] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L979] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 519 SDtfs, 461 SDslu, 402 SDs, 0 SdLazy, 65 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 358 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 6333 SizeOfPredicates, 4 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...