./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7819fbe7d63fc779c0cf34c98e41b55fde6ca155 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7819fbe7d63fc779c0cf34c98e41b55fde6ca155 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-a4ecdab [2020-11-22 12:52:24,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:52:24,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:52:24,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:52:24,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:52:24,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:52:24,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:52:24,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:52:24,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:52:24,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:52:24,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:52:24,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:52:24,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:52:24,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:52:24,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:52:24,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:52:24,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:52:24,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:52:24,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:52:24,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:52:24,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:52:24,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:52:24,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:52:24,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:52:24,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:52:24,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:52:24,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:52:24,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:52:24,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:52:24,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:52:24,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:52:24,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:52:24,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:52:24,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:52:24,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:52:24,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:52:24,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:52:24,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:52:24,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:52:24,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:52:24,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:52:24,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:52:24,686 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:52:24,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:52:24,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:52:24,688 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:52:24,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:52:24,689 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:52:24,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:52:24,690 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:52:24,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:52:24,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:52:24,691 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:52:24,691 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:52:24,692 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:52:24,692 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:52:24,692 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:52:24,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:52:24,694 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:52:24,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:52:24,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:52:24,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:52:24,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:52:24,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:52:24,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:52:24,696 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:52:24,697 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:52:24,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:52:24,697 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:52:24,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:52:24,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:52:24,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:52:24,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:52:24,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:24,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:52:24,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:52:24,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:52:24,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:52:24,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:52:24,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:52:24,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:52:24,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:52:24,703 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7819fbe7d63fc779c0cf34c98e41b55fde6ca155 [2020-11-22 12:52:24,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:52:25,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:52:25,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:52:25,026 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:52:25,027 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:52:25,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2020-11-22 12:52:25,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data/ec7fd8a99/f7a05021f41d4c24b051d48387056f91/FLAG7e64de3f2 [2020-11-22 12:52:25,696 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:52:25,696 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2020-11-22 12:52:25,708 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data/ec7fd8a99/f7a05021f41d4c24b051d48387056f91/FLAG7e64de3f2 [2020-11-22 12:52:25,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data/ec7fd8a99/f7a05021f41d4c24b051d48387056f91 [2020-11-22 12:52:25,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:52:25,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:52:25,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:25,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:52:25,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:52:25,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:25" (1/1) ... [2020-11-22 12:52:25,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147ee14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:25, skipping insertion in model container [2020-11-22 12:52:26,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:25" (1/1) ... [2020-11-22 12:52:26,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:52:26,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:26,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:26,526 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 12:52:26,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@410b9de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26, skipping insertion in model container [2020-11-22 12:52:26,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:26,528 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:52:26,530 INFO L168 Benchmark]: Toolchain (without parser) took 546.53 ms. Allocated memory is still 104.9 MB. Free memory was 73.6 MB in the beginning and 78.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:26,531 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory was 35.3 MB in the beginning and 35.2 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:52:26,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.49 ms. Allocated memory is still 104.9 MB. Free memory was 73.3 MB in the beginning and 78.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:26,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory was 35.3 MB in the beginning and 35.2 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 541.49 ms. Allocated memory is still 104.9 MB. Free memory was 73.3 MB in the beginning and 78.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 688]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:52:29,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:52:29,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:52:29,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:52:29,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:52:29,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:52:29,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:52:29,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:52:29,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:52:29,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:52:29,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:52:29,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:52:29,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:52:29,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:52:29,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:52:29,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:52:29,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:52:29,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:52:29,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:52:29,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:52:29,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:52:29,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:52:29,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:52:29,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:52:29,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:52:29,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:52:29,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:52:29,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:52:29,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:52:29,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:52:29,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:52:29,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:52:29,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:52:29,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:52:29,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:52:29,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:52:29,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:52:29,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:52:29,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:52:29,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:52:29,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:52:29,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:52:29,349 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:52:29,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:52:29,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:52:29,358 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:52:29,358 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:52:29,358 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:52:29,359 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:52:29,359 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:52:29,359 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:52:29,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:52:29,363 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:52:29,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:52:29,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:52:29,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:52:29,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:52:29,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:52:29,365 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:52:29,365 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:52:29,365 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:52:29,366 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:52:29,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:52:29,366 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:52:29,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:52:29,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:52:29,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:52:29,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:52:29,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:52:29,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:29,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:52:29,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:52:29,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:52:29,370 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:52:29,370 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:52:29,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:52:29,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:52:29,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:52:29,371 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7819fbe7d63fc779c0cf34c98e41b55fde6ca155 [2020-11-22 12:52:29,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:52:29,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:52:29,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:52:29,907 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:52:29,910 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:52:29,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2020-11-22 12:52:29,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data/27b2e0311/7c7447cb395c4ca1949364c117f8f499/FLAG613853dfc [2020-11-22 12:52:30,651 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:52:30,652 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2020-11-22 12:52:30,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data/27b2e0311/7c7447cb395c4ca1949364c117f8f499/FLAG613853dfc [2020-11-22 12:52:30,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/data/27b2e0311/7c7447cb395c4ca1949364c117f8f499 [2020-11-22 12:52:30,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:52:30,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:52:30,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:30,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:52:30,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:52:30,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:30" (1/1) ... [2020-11-22 12:52:30,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e4be05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:30, skipping insertion in model container [2020-11-22 12:52:30,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:30" (1/1) ... [2020-11-22 12:52:30,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:52:31,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:31,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:31,583 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:52:31,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:31,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:31,762 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:52:31,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:31,936 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:52:31,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31 WrapperNode [2020-11-22 12:52:31,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:31,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:52:31,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:52:31,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:52:31,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... [2020-11-22 12:52:31,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... [2020-11-22 12:52:32,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:52:32,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:52:32,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:52:32,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:52:32,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... [2020-11-22 12:52:32,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... [2020-11-22 12:52:32,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... [2020-11-22 12:52:32,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... [2020-11-22 12:52:32,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... [2020-11-22 12:52:32,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... [2020-11-22 12:52:32,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... [2020-11-22 12:52:32,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:52:32,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:52:32,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:52:32,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:52:32,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:52:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:52:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:52:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:52:35,546 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:52:35,546 INFO L298 CfgBuilder]: Removed 364 assume(true) statements. [2020-11-22 12:52:35,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:52:35 BoogieIcfgContainer [2020-11-22 12:52:35,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:52:35,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:52:35,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:52:35,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:52:35,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:52:30" (1/3) ... [2020-11-22 12:52:35,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ee1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:52:35, skipping insertion in model container [2020-11-22 12:52:35,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:31" (2/3) ... [2020-11-22 12:52:35,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ee1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:52:35, skipping insertion in model container [2020-11-22 12:52:35,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:52:35" (3/3) ... [2020-11-22 12:52:35,560 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product63.cil.c [2020-11-22 12:52:35,581 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:52:35,586 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:52:35,598 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:52:35,639 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:52:35,640 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:52:35,640 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:52:35,640 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:52:35,640 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:52:35,640 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:52:35,640 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:52:35,640 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:52:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-11-22 12:52:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:52:35,681 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:35,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:35,682 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:35,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:35,691 INFO L82 PathProgramCache]: Analyzing trace with hash -213727833, now seen corresponding path program 1 times [2020-11-22 12:52:35,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:35,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383696518] [2020-11-22 12:52:35,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:36,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:52:36,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:36,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:36,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383696518] [2020-11-22 12:52:36,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:36,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:52:36,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686580790] [2020-11-22 12:52:36,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:52:36,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:36,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:52:36,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:52:36,070 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 2 states. [2020-11-22 12:52:36,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:36,117 INFO L93 Difference]: Finished difference Result 463 states and 692 transitions. [2020-11-22 12:52:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:52:36,118 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 12:52:36,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:36,133 INFO L225 Difference]: With dead ends: 463 [2020-11-22 12:52:36,133 INFO L226 Difference]: Without dead ends: 229 [2020-11-22 12:52:36,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:52:36,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-11-22 12:52:36,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-11-22 12:52:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-11-22 12:52:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 336 transitions. [2020-11-22 12:52:36,201 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 336 transitions. Word has length 18 [2020-11-22 12:52:36,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:36,202 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 336 transitions. [2020-11-22 12:52:36,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:52:36,203 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 336 transitions. [2020-11-22 12:52:36,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:52:36,205 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:36,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:36,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:52:36,421 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:36,422 INFO L82 PathProgramCache]: Analyzing trace with hash 811847301, now seen corresponding path program 1 times [2020-11-22 12:52:36,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:36,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600370907] [2020-11-22 12:52:36,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:36,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:52:36,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:36,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:36,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600370907] [2020-11-22 12:52:36,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:36,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:52:36,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49597154] [2020-11-22 12:52:36,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:52:36,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:36,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:52:36,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:36,710 INFO L87 Difference]: Start difference. First operand 229 states and 336 transitions. Second operand 4 states. [2020-11-22 12:52:36,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:36,734 INFO L93 Difference]: Finished difference Result 229 states and 336 transitions. [2020-11-22 12:52:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:52:36,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 12:52:36,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:36,736 INFO L225 Difference]: With dead ends: 229 [2020-11-22 12:52:36,736 INFO L226 Difference]: Without dead ends: 87 [2020-11-22 12:52:36,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:36,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-22 12:52:36,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-11-22 12:52:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-22 12:52:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-11-22 12:52:36,748 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 19 [2020-11-22 12:52:36,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:36,748 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-11-22 12:52:36,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:52:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-11-22 12:52:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:52:36,750 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:36,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:36,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:52:36,968 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:36,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:36,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1668670364, now seen corresponding path program 1 times [2020-11-22 12:52:36,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:36,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507071353] [2020-11-22 12:52:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:37,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:52:37,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:37,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:37,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507071353] [2020-11-22 12:52:37,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:37,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:52:37,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405816702] [2020-11-22 12:52:37,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:52:37,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:37,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:52:37,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:37,241 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 4 states. [2020-11-22 12:52:37,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:37,292 INFO L93 Difference]: Finished difference Result 274 states and 406 transitions. [2020-11-22 12:52:37,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:52:37,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 12:52:37,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:37,300 INFO L225 Difference]: With dead ends: 274 [2020-11-22 12:52:37,300 INFO L226 Difference]: Without dead ends: 193 [2020-11-22 12:52:37,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:37,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-11-22 12:52:37,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 108. [2020-11-22 12:52:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-22 12:52:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2020-11-22 12:52:37,336 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 24 [2020-11-22 12:52:37,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:37,337 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2020-11-22 12:52:37,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:52:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2020-11-22 12:52:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 12:52:37,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:37,344 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] [2020-11-22 12:52:37,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:52:37,563 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:37,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:37,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1791027038, now seen corresponding path program 1 times [2020-11-22 12:52:37,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:37,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103204467] [2020-11-22 12:52:37,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:37,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:52:37,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:37,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:37,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103204467] [2020-11-22 12:52:37,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:37,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:52:37,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189219053] [2020-11-22 12:52:37,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:52:37,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:37,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:52:37,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:52:37,826 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand 3 states. [2020-11-22 12:52:37,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:37,932 INFO L93 Difference]: Finished difference Result 218 states and 323 transitions. [2020-11-22 12:52:37,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:52:37,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-22 12:52:37,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:37,935 INFO L225 Difference]: With dead ends: 218 [2020-11-22 12:52:37,935 INFO L226 Difference]: Without dead ends: 116 [2020-11-22 12:52:37,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:52:37,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-22 12:52:37,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-11-22 12:52:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-11-22 12:52:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2020-11-22 12:52:37,971 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 162 transitions. Word has length 27 [2020-11-22 12:52:37,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:37,972 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 162 transitions. [2020-11-22 12:52:37,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:52:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2020-11-22 12:52:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 12:52:37,975 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:37,976 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] [2020-11-22 12:52:38,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:52:38,195 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:38,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:38,196 INFO L82 PathProgramCache]: Analyzing trace with hash 234819321, now seen corresponding path program 1 times [2020-11-22 12:52:38,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:38,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625482188] [2020-11-22 12:52:38,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/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 [2020-11-22 12:52:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:38,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:52:38,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:38,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:38,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:38,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625482188] [2020-11-22 12:52:38,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:38,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:52:38,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278491372] [2020-11-22 12:52:38,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:52:38,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:38,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:52:38,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:52:38,521 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. Second operand 8 states. [2020-11-22 12:52:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:39,216 INFO L93 Difference]: Finished difference Result 1297 states and 1882 transitions. [2020-11-22 12:52:39,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-22 12:52:39,217 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-11-22 12:52:39,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:39,224 INFO L225 Difference]: With dead ends: 1297 [2020-11-22 12:52:39,224 INFO L226 Difference]: Without dead ends: 1189 [2020-11-22 12:52:39,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-11-22 12:52:39,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2020-11-22 12:52:39,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 282. [2020-11-22 12:52:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-22 12:52:39,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 396 transitions. [2020-11-22 12:52:39,296 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 396 transitions. Word has length 27 [2020-11-22 12:52:39,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:39,297 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 396 transitions. [2020-11-22 12:52:39,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:52:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 396 transitions. [2020-11-22 12:52:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-22 12:52:39,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:39,298 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] [2020-11-22 12:52:39,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:52:39,527 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:39,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:39,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1465444421, now seen corresponding path program 1 times [2020-11-22 12:52:39,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:39,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008028596] [2020-11-22 12:52:39,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/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 [2020-11-22 12:52:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:52:40,828 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:52:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:52:42,261 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:52:42,407 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 12:52:42,407 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:52:42,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 12:52:42,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:52:42 BoogieIcfgContainer [2020-11-22 12:52:42,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:52:42,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:52:42,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:52:42,792 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:52:42,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:52:35" (3/4) ... [2020-11-22 12:52:42,794 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 12:52:42,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ba34a467-437a-488c-a4b0-7635b2ff7917/bin/utaipan/witness.graphml [2020-11-22 12:52:42,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:52:42,926 INFO L168 Benchmark]: Toolchain (without parser) took 11991.17 ms. Allocated memory was 52.4 MB in the beginning and 107.0 MB in the end (delta: 54.5 MB). Free memory was 29.2 MB in the beginning and 48.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:42,927 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:52:42,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 999.89 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 29.0 MB in the beginning and 51.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:42,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.12 ms. Allocated memory is still 69.2 MB. Free memory was 51.3 MB in the beginning and 45.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:42,928 INFO L168 Benchmark]: Boogie Preprocessor took 87.56 ms. Allocated memory is still 69.2 MB. Free memory was 45.6 MB in the beginning and 41.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:42,929 INFO L168 Benchmark]: RCFGBuilder took 3419.05 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 41.4 MB in the beginning and 38.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:42,929 INFO L168 Benchmark]: TraceAbstraction took 7239.19 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 38.2 MB in the beginning and 59.7 MB in the end (delta: -21.5 MB). Peak memory consumption was 546.8 kB. Max. memory is 16.1 GB. [2020-11-22 12:52:42,930 INFO L168 Benchmark]: Witness Printer took 132.72 ms. Allocated memory is still 107.0 MB. Free memory was 59.7 MB in the beginning and 48.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:42,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 999.89 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 29.0 MB in the beginning and 51.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.12 ms. Allocated memory is still 69.2 MB. Free memory was 51.3 MB in the beginning and 45.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.56 ms. Allocated memory is still 69.2 MB. Free memory was 45.6 MB in the beginning and 41.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3419.05 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 41.4 MB in the beginning and 38.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7239.19 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 38.2 MB in the beginning and 59.7 MB in the end (delta: -21.5 MB). Peak memory consumption was 546.8 kB. Max. memory is 16.1 GB. * Witness Printer took 132.72 ms. Allocated memory is still 107.0 MB. Free memory was 59.7 MB in the beginning and 48.3 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L514] int waterLevel = 1; [L515] int methaneLevelCritical = 0; [L829] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L447] int splverifierCounter ; [L448] int tmp ; [L449] int tmp___0 ; [L450] int tmp___1 ; [L451] int tmp___2 ; [L454] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L456] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L458] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L464] tmp = __VERIFIER_nondet_int() [L466] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] COND TRUE waterLevel < 2 [L533] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L474] tmp___0 = __VERIFIER_nondet_int() [L476] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L484] tmp___2 = __VERIFIER_nondet_int() [L486] COND FALSE !(\read(tmp___2)) [L490] tmp___1 = __VERIFIER_nondet_int() [L492] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L434] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L441] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L198] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L205] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L627] int tmp ; [L628] int tmp___0 ; [L629] int tmp___1 ; [L553] int retValue_acc ; [L556] retValue_acc = methaneLevelCritical [L557] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L633] tmp = isMethaneLevelCritical() [L635] COND FALSE !(\read(tmp)) [L585] int retValue_acc ; [L588] retValue_acc = waterLevel [L589] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L639] tmp___0 = getWaterLevel() [L641] COND TRUE tmp___0 == 2 [L348] int retValue_acc ; [L351] retValue_acc = pumpRunning [L352] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L643] tmp___1 = isPumpRunning() [L645] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product63.cil.c", 3, "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, 236 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 860 SDtfs, 2151 SDslu, 1305 SDs, 0 SdLazy, 197 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred 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, 994 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 13137 SizeOfPredicates, 6 NumberOfNonLiveVariables, 996 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...