./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product44.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_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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_61d1923c-7ab4-4681-af7a-35202c24a9ea/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 e60ff67dae14f5ff0ee1027845136e2245e7a1f5 ............................................................................................................................................ 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_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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_61d1923c-7ab4-4681-af7a-35202c24a9ea/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 e60ff67dae14f5ff0ee1027845136e2245e7a1f5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:22:17,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:17,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:17,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:17,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:17,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:17,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:17,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:17,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:17,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:17,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:17,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:17,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:17,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:17,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:17,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:17,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:17,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:17,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:17,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:17,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:17,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:17,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:17,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:17,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:17,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:17,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:17,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:17,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:17,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:17,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:17,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:17,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:17,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:17,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:17,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:17,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:17,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:17,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:17,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:17,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:17,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:17,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:17,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:17,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:17,624 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:17,625 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:17,625 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:17,625 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:17,625 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:17,632 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:17,632 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:17,634 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:17,634 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:17,634 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:17,635 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:17,635 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:17,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:17,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:17,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:17,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:17,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:17,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:17,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:17,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:17,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:17,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:17,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:17,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:17,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:17,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:17,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:17,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:17,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:17,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:17,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:17,643 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:17,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:17,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:17,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:17,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:17,644 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_61d1923c-7ab4-4681-af7a-35202c24a9ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e60ff67dae14f5ff0ee1027845136e2245e7a1f5 [2021-10-11 02:22:17,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:17,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:17,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:17,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:17,970 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:17,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2021-10-11 02:22:18,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data/1998b181b/735ac4c1315e443793f5e9fb3089f471/FLAG6a8fcf901 [2021-10-11 02:22:18,755 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:18,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2021-10-11 02:22:18,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data/1998b181b/735ac4c1315e443793f5e9fb3089f471/FLAG6a8fcf901 [2021-10-11 02:22:19,038 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data/1998b181b/735ac4c1315e443793f5e9fb3089f471 [2021-10-11 02:22:19,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:19,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:19,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:19,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:19,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:19,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:19" (1/1) ... [2021-10-11 02:22:19,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5553cb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:19, skipping insertion in model container [2021-10-11 02:22:19,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:19" (1/1) ... [2021-10-11 02:22:19,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:19,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:19,356 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_61d1923c-7ab4-4681-af7a-35202c24a9ea/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c[4955,4968] [2021-10-11 02:22:19,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:19,480 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 02:22:19,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bc874a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:19, skipping insertion in model container [2021-10-11 02:22:19,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:19,499 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:19,501 INFO L168 Benchmark]: Toolchain (without parser) took 456.81 ms. Allocated memory is still 98.6 MB. Free memory was 69.8 MB in the beginning and 72.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,503 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:19,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.90 ms. Allocated memory is still 98.6 MB. Free memory was 69.8 MB in the beginning and 72.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,507 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 445.90 ms. Allocated memory is still 98.6 MB. Free memory was 69.8 MB in the beginning and 72.0 MB in the end (delta: -2.2 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: 353]: 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 02:22:21,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:21,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:21,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:21,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:21,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:21,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:21,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:21,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:21,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:21,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:21,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:21,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:21,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:21,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:22,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:22,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:22,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:22,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:22,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:22,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:22,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:22,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:22,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:22,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:22,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:22,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:22,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:22,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:22,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:22,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:22,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:22,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:22,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:22,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:22,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:22,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:22,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:22,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:22,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:22,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:22,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:22,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:22,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:22,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:22,063 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:22,063 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:22,063 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:22,064 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:22,064 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:22,064 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:22,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:22,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:22,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:22,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:22,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:22,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:22,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:22,067 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:22,068 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:22,068 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:22,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:22,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:22,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:22,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:22,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:22,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:22,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:22,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:22,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:22,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:22,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:22,071 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:22,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:22,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:22,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:22,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:22,072 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_61d1923c-7ab4-4681-af7a-35202c24a9ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e60ff67dae14f5ff0ee1027845136e2245e7a1f5 [2021-10-11 02:22:22,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:22,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:22,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:22,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:22,520 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:22,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2021-10-11 02:22:22,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data/0e5949564/e04e36f1eea5446da20344a62e1c1137/FLAGd86a39f46 [2021-10-11 02:22:23,226 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:23,236 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2021-10-11 02:22:23,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data/0e5949564/e04e36f1eea5446da20344a62e1c1137/FLAGd86a39f46 [2021-10-11 02:22:23,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/data/0e5949564/e04e36f1eea5446da20344a62e1c1137 [2021-10-11 02:22:23,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:23,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:23,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:23,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:23,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:23,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55367bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23, skipping insertion in model container [2021-10-11 02:22:23,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:23,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:23,834 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_61d1923c-7ab4-4681-af7a-35202c24a9ea/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c[4955,4968] [2021-10-11 02:22:23,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:23,932 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:22:23,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:23,959 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_61d1923c-7ab4-4681-af7a-35202c24a9ea/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c[4955,4968] [2021-10-11 02:22:24,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:24,020 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:24,062 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_61d1923c-7ab4-4681-af7a-35202c24a9ea/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c[4955,4968] [2021-10-11 02:22:24,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:24,169 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:24,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24 WrapperNode [2021-10-11 02:22:24,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:24,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:24,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:24,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:24,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... [2021-10-11 02:22:24,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... [2021-10-11 02:22:24,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:24,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:24,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:24,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:24,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... [2021-10-11 02:22:24,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... [2021-10-11 02:22:24,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... [2021-10-11 02:22:24,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... [2021-10-11 02:22:24,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... [2021-10-11 02:22:24,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... [2021-10-11 02:22:24,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... [2021-10-11 02:22:24,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:24,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:24,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:24,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:24,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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 02:22:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:26,783 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:26,784 INFO L299 CfgBuilder]: Removed 126 assume(true) statements. [2021-10-11 02:22:26,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:26 BoogieIcfgContainer [2021-10-11 02:22:26,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:26,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:26,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:26,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:26,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:23" (1/3) ... [2021-10-11 02:22:26,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d16a551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:26, skipping insertion in model container [2021-10-11 02:22:26,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:24" (2/3) ... [2021-10-11 02:22:26,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d16a551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:26, skipping insertion in model container [2021-10-11 02:22:26,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:26" (3/3) ... [2021-10-11 02:22:26,794 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product44.cil.c [2021-10-11 02:22:26,808 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:26,811 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:26,825 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:26,850 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:26,850 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:26,851 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:26,851 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:26,851 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:26,851 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:26,851 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:26,852 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:26,866 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2021-10-11 02:22:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:22:26,873 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:26,874 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 02:22:26,874 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:26,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:26,880 INFO L82 PathProgramCache]: Analyzing trace with hash -415609573, now seen corresponding path program 1 times [2021-10-11 02:22:26,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:26,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19279742] [2021-10-11 02:22:26,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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 02:22:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:27,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:27,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:27,180 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 02:22:27,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:27,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19279742] [2021-10-11 02:22:27,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:27,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:27,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368123820] [2021-10-11 02:22:27,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:27,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:27,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:27,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:27,209 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 2 states. [2021-10-11 02:22:27,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:27,247 INFO L93 Difference]: Finished difference Result 184 states and 275 transitions. [2021-10-11 02:22:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:27,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:22:27,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:27,258 INFO L225 Difference]: With dead ends: 184 [2021-10-11 02:22:27,258 INFO L226 Difference]: Without dead ends: 91 [2021-10-11 02:22:27,261 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 02:22:27,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-11 02:22:27,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-10-11 02:22:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-10-11 02:22:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2021-10-11 02:22:27,302 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 18 [2021-10-11 02:22:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:27,302 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2021-10-11 02:22:27,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2021-10-11 02:22:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:22:27,304 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:27,304 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 02:22:27,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:27,520 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:27,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:27,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1326640326, now seen corresponding path program 1 times [2021-10-11 02:22:27,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:27,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788093328] [2021-10-11 02:22:27,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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 02:22:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:27,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:27,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:27,798 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 02:22:27,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:27,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788093328] [2021-10-11 02:22:27,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:27,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:27,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744659164] [2021-10-11 02:22:27,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:27,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:27,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:27,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:27,802 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand 3 states. [2021-10-11 02:22:27,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:27,814 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2021-10-11 02:22:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:27,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:22:27,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:27,816 INFO L225 Difference]: With dead ends: 91 [2021-10-11 02:22:27,816 INFO L226 Difference]: Without dead ends: 41 [2021-10-11 02:22:27,817 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 02:22:27,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-11 02:22:27,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-11 02:22:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-10-11 02:22:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2021-10-11 02:22:27,824 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 19 [2021-10-11 02:22:27,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:27,824 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2021-10-11 02:22:27,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:27,824 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-10-11 02:22:27,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:22:27,825 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:27,825 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 02:22:28,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:28,044 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:28,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1440289089, now seen corresponding path program 1 times [2021-10-11 02:22:28,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:28,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996497687] [2021-10-11 02:22:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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 02:22:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:28,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:28,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:28,285 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 02:22:28,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:28,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996497687] [2021-10-11 02:22:28,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:28,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:28,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322815172] [2021-10-11 02:22:28,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:28,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:28,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:28,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:28,293 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand 3 states. [2021-10-11 02:22:28,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:28,338 INFO L93 Difference]: Finished difference Result 111 states and 162 transitions. [2021-10-11 02:22:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:28,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:22:28,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:28,340 INFO L225 Difference]: With dead ends: 111 [2021-10-11 02:22:28,341 INFO L226 Difference]: Without dead ends: 76 [2021-10-11 02:22:28,341 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 02:22:28,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-10-11 02:22:28,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2021-10-11 02:22:28,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 02:22:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 105 transitions. [2021-10-11 02:22:28,353 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 105 transitions. Word has length 24 [2021-10-11 02:22:28,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:28,353 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 105 transitions. [2021-10-11 02:22:28,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:28,354 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-10-11 02:22:28,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:22:28,355 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:28,355 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] [2021-10-11 02:22:28,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:28,571 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:28,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:28,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1072133948, now seen corresponding path program 1 times [2021-10-11 02:22:28,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:28,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034869525] [2021-10-11 02:22:28,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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 02:22:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:28,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:28,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:28,807 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 02:22:28,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:28,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034869525] [2021-10-11 02:22:28,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:28,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:28,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478745679] [2021-10-11 02:22:28,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:28,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:28,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:28,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:28,809 INFO L87 Difference]: Start difference. First operand 72 states and 105 transitions. Second operand 3 states. [2021-10-11 02:22:28,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:28,866 INFO L93 Difference]: Finished difference Result 183 states and 272 transitions. [2021-10-11 02:22:28,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:28,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 02:22:28,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:28,868 INFO L225 Difference]: With dead ends: 183 [2021-10-11 02:22:28,868 INFO L226 Difference]: Without dead ends: 117 [2021-10-11 02:22:28,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 02:22:28,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-11 02:22:28,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2021-10-11 02:22:28,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 02:22:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 167 transitions. [2021-10-11 02:22:28,885 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 167 transitions. Word has length 25 [2021-10-11 02:22:28,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:28,885 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 167 transitions. [2021-10-11 02:22:28,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2021-10-11 02:22:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:22:28,887 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:28,887 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 02:22:29,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:22:29,110 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:29,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:29,111 INFO L82 PathProgramCache]: Analyzing trace with hash -2003629676, now seen corresponding path program 1 times [2021-10-11 02:22:29,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:29,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702532269] [2021-10-11 02:22:29,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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 02:22:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:29,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:29,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:29,411 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 02:22:29,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:29,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702532269] [2021-10-11 02:22:29,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:29,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:29,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196210112] [2021-10-11 02:22:29,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:29,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:29,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:29,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:29,414 INFO L87 Difference]: Start difference. First operand 115 states and 167 transitions. Second operand 5 states. [2021-10-11 02:22:29,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:29,618 INFO L93 Difference]: Finished difference Result 639 states and 947 transitions. [2021-10-11 02:22:29,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:22:29,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:22:29,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:29,626 INFO L225 Difference]: With dead ends: 639 [2021-10-11 02:22:29,627 INFO L226 Difference]: Without dead ends: 530 [2021-10-11 02:22:29,632 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 02:22:29,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-10-11 02:22:29,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 210. [2021-10-11 02:22:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2021-10-11 02:22:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 296 transitions. [2021-10-11 02:22:29,674 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 296 transitions. Word has length 27 [2021-10-11 02:22:29,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:29,674 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 296 transitions. [2021-10-11 02:22:29,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 296 transitions. [2021-10-11 02:22:29,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:22:29,680 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:29,680 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 02:22:29,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:22:29,894 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:29,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:29,895 INFO L82 PathProgramCache]: Analyzing trace with hash 591073878, now seen corresponding path program 1 times [2021-10-11 02:22:29,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:29,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411440523] [2021-10-11 02:22:29,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/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 02:22:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:31,100 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:32,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:32,289 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:22:32,289 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:22:32,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:22:32,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:32 BoogieIcfgContainer [2021-10-11 02:22:32,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:32,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:32,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:32,657 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:32,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:26" (3/4) ... [2021-10-11 02:22:32,660 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:22:32,794 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d1923c-7ab4-4681-af7a-35202c24a9ea/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:32,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:32,797 INFO L168 Benchmark]: Toolchain (without parser) took 9273.68 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 37.4 MB in the beginning and 66.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:32,797 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:32,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.19 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.1 MB in the beginning and 54.4 MB in the end (delta: -17.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:32,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.92 ms. Allocated memory is still 73.4 MB. Free memory was 54.4 MB in the beginning and 51.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:32,799 INFO L168 Benchmark]: Boogie Preprocessor took 78.56 ms. Allocated memory is still 73.4 MB. Free memory was 51.0 MB in the beginning and 48.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:32,799 INFO L168 Benchmark]: RCFGBuilder took 2470.52 ms. Allocated memory is still 73.4 MB. Free memory was 48.5 MB in the beginning and 30.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:32,800 INFO L168 Benchmark]: TraceAbstraction took 5862.52 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 29.6 MB in the beginning and 30.1 MB in the end (delta: -544.3 kB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:32,800 INFO L168 Benchmark]: Witness Printer took 145.39 ms. Allocated memory is still 94.4 MB. Free memory was 30.1 MB in the beginning and 66.0 MB in the end (delta: -35.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:32,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 634.19 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.1 MB in the beginning and 54.4 MB in the end (delta: -17.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.92 ms. Allocated memory is still 73.4 MB. Free memory was 54.4 MB in the beginning and 51.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.56 ms. Allocated memory is still 73.4 MB. Free memory was 51.0 MB in the beginning and 48.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2470.52 ms. Allocated memory is still 73.4 MB. Free memory was 48.5 MB in the beginning and 30.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5862.52 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 29.6 MB in the beginning and 30.1 MB in the end (delta: -544.3 kB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Witness Printer took 145.39 ms. Allocated memory is still 94.4 MB. Free memory was 30.1 MB in the beginning and 66.0 MB in the end (delta: -35.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 320]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L187] int waterLevel = 1; [L188] int methaneLevelCritical = 0; [L494] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L695] int pumpRunning = 0; [L696] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L307] int retValue_acc ; [L310] retValue_acc = 1 [L311] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] int splverifierCounter ; [L890] int tmp ; [L891] int tmp___0 ; [L892] int tmp___1 ; [L893] int tmp___2 ; [L896] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L898] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L906] tmp = __VERIFIER_nondet_int() [L908] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L205] COND TRUE waterLevel < 2 [L206] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L916] tmp___0 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L926] tmp___2 = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp___2)) [L934] tmp___1 = __VERIFIER_nondet_int() [L936] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L702] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L709] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L151] int tmp ; [L152] int tmp___0 ; [L153] int tmp___1 ; [L226] int retValue_acc ; [L229] retValue_acc = methaneLevelCritical [L230] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L157] tmp = isMethaneLevelCritical() [L159] COND FALSE !(\read(tmp)) [L258] int retValue_acc ; [L261] retValue_acc = waterLevel [L262] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L163] tmp___0 = getWaterLevel() [L165] COND TRUE tmp___0 == 2 [L801] int retValue_acc ; [L804] retValue_acc = pumpRunning [L805] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L167] tmp___1 = isPumpRunning() [L169] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L320] 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, 95 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 395 SDtfs, 402 SDslu, 313 SDs, 0 SdLazy, 56 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred 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, 326 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 5034 SizeOfPredicates, 4 NumberOfNonLiveVariables, 996 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...