./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.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-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/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 9c9e504dbddc7dcee5c37c545c0593dfdbc10dce .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 14:28:22,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:28:22,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:28:22,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:28:22,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:28:22,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:28:22,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:28:22,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:28:22,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:28:22,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:28:22,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:28:22,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:28:22,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:28:22,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:28:22,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:28:22,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:28:22,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:28:22,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:28:22,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:28:22,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:28:22,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:28:22,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:28:22,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:28:22,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:28:22,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:28:22,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:28:22,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:28:22,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:28:22,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:28:22,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:28:22,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:28:22,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:28:22,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:28:22,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:28:22,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:28:22,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:28:22,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:28:22,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:28:22,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:28:22,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:28:22,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:28:22,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 14:28:22,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:28:22,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:28:22,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:28:22,804 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:28:22,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:28:22,804 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:28:22,804 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 14:28:22,804 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:28:22,805 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:28:22,805 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 14:28:22,805 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 14:28:22,805 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:28:22,805 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 14:28:22,805 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 14:28:22,805 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 14:28:22,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:28:22,806 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:28:22,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 14:28:22,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:28:22,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:28:22,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:28:22,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:28:22,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:28:22,807 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:28:22,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:28:22,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:28:22,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:28:22,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:28:22,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:28:22,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:28:22,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:28:22,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:28:22,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:28:22,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:28:22,808 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 14:28:22,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 14:28:22,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:28:22,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:28:22,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:28:22,809 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_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c9e504dbddc7dcee5c37c545c0593dfdbc10dce [2020-12-09 14:28:22,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:28:22,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:28:22,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:28:22,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:28:22,990 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:28:22,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2020-12-09 14:28:23,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/data/bd224860d/ef4a0ecce6f3471e9e0c9108d02435ed/FLAG607439eb1 [2020-12-09 14:28:23,486 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:28:23,487 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2020-12-09 14:28:23,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/data/bd224860d/ef4a0ecce6f3471e9e0c9108d02435ed/FLAG607439eb1 [2020-12-09 14:28:23,512 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/data/bd224860d/ef4a0ecce6f3471e9e0c9108d02435ed [2020-12-09 14:28:23,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:28:23,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:28:23,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:28:23,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:28:23,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:28:23,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:23,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1405b75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23, skipping insertion in model container [2020-12-09 14:28:23,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:23,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:28:23,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:28:23,730 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2020-12-09 14:28:23,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:28:23,883 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 14:28:23,906 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2020-12-09 14:28:23,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:28:23,993 INFO L208 MainTranslator]: Completed translation [2020-12-09 14:28:23,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23 WrapperNode [2020-12-09 14:28:23,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:28:23,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 14:28:23,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 14:28:23,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 14:28:24,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:24,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:24,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 14:28:24,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 14:28:24,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 14:28:24,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 14:28:24,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:24,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:24,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:24,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:24,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:24,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:24,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... [2020-12-09 14:28:24,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 14:28:24,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 14:28:24,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 14:28:24,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 14:28:24,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/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 [2020-12-09 14:28:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 14:28:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 14:28:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 14:28:24,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 14:28:34,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 14:28:34,879 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 14:28:34,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:28:34 BoogieIcfgContainer [2020-12-09 14:28:34,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 14:28:34,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 14:28:34,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 14:28:34,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 14:28:34,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:28:23" (1/3) ... [2020-12-09 14:28:34,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad95144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:28:34, skipping insertion in model container [2020-12-09 14:28:34,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:23" (2/3) ... [2020-12-09 14:28:34,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad95144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:28:34, skipping insertion in model container [2020-12-09 14:28:34,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:28:34" (3/3) ... [2020-12-09 14:28:34,887 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label25.c [2020-12-09 14:28:34,900 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 14:28:34,903 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 14:28:34,909 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 14:28:34,927 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 14:28:34,927 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 14:28:34,927 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 14:28:34,928 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 14:28:34,928 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 14:28:34,928 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 14:28:34,928 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 14:28:34,928 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 14:28:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 14:28:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 14:28:34,940 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:28:34,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 14:28:34,941 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:28:34,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:28:34,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1037754191, now seen corresponding path program 1 times [2020-12-09 14:28:34,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:28:34,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680387525] [2020-12-09 14:28:34,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:28:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:28:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:28:35,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680387525] [2020-12-09 14:28:35,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:28:35,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 14:28:35,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690861652] [2020-12-09 14:28:35,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 14:28:35,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:28:35,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 14:28:35,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 14:28:35,146 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2020-12-09 14:28:35,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:28:35,255 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2020-12-09 14:28:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 14:28:35,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-09 14:28:35,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:28:35,263 INFO L225 Difference]: With dead ends: 29 [2020-12-09 14:28:35,264 INFO L226 Difference]: Without dead ends: 15 [2020-12-09 14:28:35,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 14:28:35,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-09 14:28:35,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2020-12-09 14:28:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-09 14:28:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-12-09 14:28:35,294 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2020-12-09 14:28:35,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:28:35,295 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-12-09 14:28:35,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 14:28:35,295 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-12-09 14:28:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 14:28:35,295 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:28:35,296 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1] [2020-12-09 14:28:35,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 14:28:35,296 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:28:35,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:28:35,297 INFO L82 PathProgramCache]: Analyzing trace with hash 745089599, now seen corresponding path program 1 times [2020-12-09 14:28:35,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:28:35,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353177755] [2020-12-09 14:28:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:28:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:28:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 14:28:35,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353177755] [2020-12-09 14:28:35,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:28:35,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 14:28:35,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845523365] [2020-12-09 14:28:35,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 14:28:35,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:28:35,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 14:28:35,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 14:28:35,976 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2020-12-09 14:28:36,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:28:36,009 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-12-09 14:28:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:28:36,010 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-12-09 14:28:36,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:28:36,011 INFO L225 Difference]: With dead ends: 14 [2020-12-09 14:28:36,011 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 14:28:36,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 14:28:36,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 14:28:36,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 14:28:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 14:28:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 14:28:36,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-09 14:28:36,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:28:36,012 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 14:28:36,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 14:28:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 14:28:36,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 14:28:36,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 14:28:36,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 14:28:36,045 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-09 14:28:36,045 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 14:28:36,045 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-12-09 14:28:36,045 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 14:28:36,045 INFO L258 CegarLoopResult]: At program point L205-1(lines 30 882) the Hoare annotation is: (or (<= ~a15~0 5) (not (= ~a24~0 1)) (<= ~a21~0 6) (< 6 ~a15~0) (< 7 ~a21~0)) [2020-12-09 14:28:36,045 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 14:28:36,046 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 14:28:36,046 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-09 14:28:36,046 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (<= ~a15~0 5) (not (= ~a24~0 1)) (<= ~a21~0 6) (< 6 ~a15~0) (< 7 ~a21~0)) [2020-12-09 14:28:36,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:28:36 BoogieIcfgContainer [2020-12-09 14:28:36,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 14:28:36,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 14:28:36,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 14:28:36,060 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 14:28:36,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:28:34" (3/4) ... [2020-12-09 14:28:36,063 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 14:28:36,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2020-12-09 14:28:36,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-09 14:28:36,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-09 14:28:36,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 14:28:36,206 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5a92d7ab-8aa1-478a-a3fc-078cc5b6ee23/bin/utaipan/witness.graphml [2020-12-09 14:28:36,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 14:28:36,208 INFO L168 Benchmark]: Toolchain (without parser) took 12691.07 ms. Allocated memory was 94.4 MB in the beginning and 415.2 MB in the end (delta: 320.9 MB). Free memory was 63.2 MB in the beginning and 174.5 MB in the end (delta: -111.3 MB). Peak memory consumption was 209.0 MB. Max. memory is 16.1 GB. [2020-12-09 14:28:36,208 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 94.4 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:28:36,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.51 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 49.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 14:28:36,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.90 ms. Allocated memory is still 94.4 MB. Free memory was 49.5 MB in the beginning and 39.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:28:36,209 INFO L168 Benchmark]: Boogie Preprocessor took 80.28 ms. Allocated memory is still 94.4 MB. Free memory was 39.8 MB in the beginning and 63.3 MB in the end (delta: -23.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:28:36,210 INFO L168 Benchmark]: RCFGBuilder took 10714.21 ms. Allocated memory was 94.4 MB in the beginning and 415.2 MB in the end (delta: 320.9 MB). Free memory was 62.9 MB in the beginning and 168.9 MB in the end (delta: -106.1 MB). Peak memory consumption was 238.9 MB. Max. memory is 16.1 GB. [2020-12-09 14:28:36,210 INFO L168 Benchmark]: TraceAbstraction took 1177.70 ms. Allocated memory is still 415.2 MB. Free memory was 168.9 MB in the beginning and 195.5 MB in the end (delta: -26.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:28:36,210 INFO L168 Benchmark]: Witness Printer took 146.50 ms. Allocated memory is still 415.2 MB. Free memory was 195.5 MB in the beginning and 174.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-09 14:28:36,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 94.4 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 476.51 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 49.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.90 ms. Allocated memory is still 94.4 MB. Free memory was 49.5 MB in the beginning and 39.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.28 ms. Allocated memory is still 94.4 MB. Free memory was 39.8 MB in the beginning and 63.3 MB in the end (delta: -23.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10714.21 ms. Allocated memory was 94.4 MB in the beginning and 415.2 MB in the end (delta: 320.9 MB). Free memory was 62.9 MB in the beginning and 168.9 MB in the end (delta: -106.1 MB). Peak memory consumption was 238.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1177.70 ms. Allocated memory is still 415.2 MB. Free memory was 168.9 MB in the beginning and 195.5 MB in the end (delta: -26.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 146.50 ms. Allocated memory is still 415.2 MB. Free memory was 195.5 MB in the beginning and 174.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((a15 <= 5 || !(a24 == 1)) || a21 <= 6) || 6 < a15) || 7 < a21 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a15 <= 5 || !(a24 == 1)) || a21 <= 6) || 6 < a15) || 7 < a21 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 3, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 15 SDslu, 8 SDs, 0 SdLazy, 14 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 11 NumberOfFragments, 35 HoareAnnotationTreeSize, 3 FomulaSimplifications, 88 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 1280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...