./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87afddccfd1da763b81be9f487d95a8fd1750032 .................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-26 03:01:58,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:01:58,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:01:58,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:01:58,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:01:58,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:01:58,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:01:58,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:01:58,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:01:58,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:01:58,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:01:58,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:01:58,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:01:58,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:01:58,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:01:58,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:01:58,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:01:58,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:01:58,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:01:58,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:01:58,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:01:58,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:01:58,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:01:58,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:01:58,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:01:58,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:01:58,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:01:58,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:01:58,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:01:58,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:01:58,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:01:58,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:01:58,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:01:58,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:01:58,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:01:58,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:01:58,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:01:58,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:01:58,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:01:58,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:01:58,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:01:58,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 03:01:58,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:01:58,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:01:58,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:01:58,575 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:01:58,576 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:01:58,576 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:01:58,576 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 03:01:58,576 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:01:58,576 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:01:58,577 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 03:01:58,577 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 03:01:58,577 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:01:58,577 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 03:01:58,578 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 03:01:58,578 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 03:01:58,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:01:58,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:01:58,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:01:58,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:01:58,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:01:58,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:01:58,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:01:58,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:01:58,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:01:58,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:01:58,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:01:58,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:01:58,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:01:58,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:01:58,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:01:58,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:01:58,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:01:58,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:01:58,583 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 03:01:58,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:01:58,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:01:58,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:01:58,584 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_de5c2b5a-f927-491b-8d48-61a3247d32cd/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(__VERIFIER_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 -> 87afddccfd1da763b81be9f487d95a8fd1750032 [2019-11-26 03:01:58,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:01:58,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:01:58,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:01:58,784 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:01:58,785 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:01:58,785 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-26 03:01:58,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/data/2bfb804cc/b6a6d4265dbc42c59e3a87a2a45119ca/FLAG2ee255181 [2019-11-26 03:01:59,222 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:01:59,223 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-26 03:01:59,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/data/2bfb804cc/b6a6d4265dbc42c59e3a87a2a45119ca/FLAG2ee255181 [2019-11-26 03:01:59,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/data/2bfb804cc/b6a6d4265dbc42c59e3a87a2a45119ca [2019-11-26 03:01:59,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:01:59,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:01:59,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:59,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:01:59,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:01:59,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c6ebb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59, skipping insertion in model container [2019-11-26 03:01:59,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:01:59,268 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:01:59,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:59,532 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:01:59,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:59,559 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:01:59,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59 WrapperNode [2019-11-26 03:01:59,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:59,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:59,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:01:59,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:01:59,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:59,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:01:59,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:01:59,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:01:59,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... [2019-11-26 03:01:59,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:01:59,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:01:59,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:01:59,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:01:59,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/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 [2019-11-26 03:01:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:01:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:01:59,783 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:01:59,784 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-26 03:01:59,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:59 BoogieIcfgContainer [2019-11-26 03:01:59,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:01:59,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 03:01:59,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 03:01:59,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 03:01:59,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 03:01:59" (1/3) ... [2019-11-26 03:01:59,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef75bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:01:59, skipping insertion in model container [2019-11-26 03:01:59,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:59" (2/3) ... [2019-11-26 03:01:59,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef75bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:01:59, skipping insertion in model container [2019-11-26 03:01:59,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:59" (3/3) ... [2019-11-26 03:01:59,794 INFO L109 eAbstractionObserver]: Analyzing ICFG test_while_int.c_1.i [2019-11-26 03:01:59,802 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 03:01:59,808 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 03:01:59,818 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 03:01:59,841 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 03:01:59,841 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 03:01:59,841 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 03:01:59,841 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 03:01:59,841 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 03:01:59,842 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 03:01:59,842 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 03:01:59,842 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 03:01:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-26 03:01:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 03:01:59,860 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:59,861 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 03:01:59,861 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:59,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:59,867 INFO L82 PathProgramCache]: Analyzing trace with hash 963404, now seen corresponding path program 1 times [2019-11-26 03:01:59,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:59,876 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825539208] [2019-11-26 03:01:59,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:02:00,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:02:00,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825539208] [2019-11-26 03:02:00,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:02:00,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 03:02:00,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979234004] [2019-11-26 03:02:00,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 03:02:00,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:02:00,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 03:02:00,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 03:02:00,038 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-11-26 03:02:00,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:02:00,083 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2019-11-26 03:02:00,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 03:02:00,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-26 03:02:00,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:02:00,093 INFO L225 Difference]: With dead ends: 14 [2019-11-26 03:02:00,093 INFO L226 Difference]: Without dead ends: 8 [2019-11-26 03:02:00,095 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 03:02:00,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-26 03:02:00,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-11-26 03:02:00,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-26 03:02:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-26 03:02:00,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-11-26 03:02:00,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:02:00,120 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-11-26 03:02:00,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 03:02:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-26 03:02:00,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 03:02:00,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:02:00,120 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-11-26 03:02:00,121 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:02:00,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:02:00,121 INFO L82 PathProgramCache]: Analyzing trace with hash 925765417, now seen corresponding path program 1 times [2019-11-26 03:02:00,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:02:00,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257939812] [2019-11-26 03:02:00,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:02:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:02:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:02:00,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257939812] [2019-11-26 03:02:00,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331151257] [2019-11-26 03:02:00,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 03:02:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:02:00,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-26 03:02:00,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 03:02:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:02:00,211 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 03:02:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:02:00,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1943309812] [2019-11-26 03:02:00,259 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-26 03:02:00,259 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 03:02:00,274 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 03:02:00,280 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 03:02:00,280 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 03:02:00,401 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 03:02:00,452 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 03:02:00,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 03:02:00,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2019-11-26 03:02:00,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782637413] [2019-11-26 03:02:00,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 03:02:00,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:02:00,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 03:02:00,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-26 03:02:00,454 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2019-11-26 03:02:00,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:02:00,473 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-11-26 03:02:00,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 03:02:00,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-11-26 03:02:00,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:02:00,474 INFO L225 Difference]: With dead ends: 12 [2019-11-26 03:02:00,475 INFO L226 Difference]: Without dead ends: 10 [2019-11-26 03:02:00,475 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-26 03:02:00,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-26 03:02:00,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-11-26 03:02:00,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-26 03:02:00,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-26 03:02:00,478 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2019-11-26 03:02:00,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:02:00,478 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-26 03:02:00,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 03:02:00,479 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-26 03:02:00,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 03:02:00,479 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:02:00,479 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2019-11-26 03:02:00,680 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 03:02:00,680 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:02:00,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:02:00,681 INFO L82 PathProgramCache]: Analyzing trace with hash 602269638, now seen corresponding path program 2 times [2019-11-26 03:02:00,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:02:00,681 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038989795] [2019-11-26 03:02:00,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:02:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 03:02:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 03:02:00,700 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 03:02:00,700 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 03:02:00,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 03:02:00 BoogieIcfgContainer [2019-11-26 03:02:00,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 03:02:00,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:02:00,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:02:00,723 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:02:00,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:59" (3/4) ... [2019-11-26 03:02:00,725 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 03:02:00,764 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_de5c2b5a-f927-491b-8d48-61a3247d32cd/bin/utaipan/witness.graphml [2019-11-26 03:02:00,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:02:00,766 INFO L168 Benchmark]: Toolchain (without parser) took 1525.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:00,766 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:02:00,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:00,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:02:00,767 INFO L168 Benchmark]: Boogie Preprocessor took 14.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:02:00,768 INFO L168 Benchmark]: RCFGBuilder took 187.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:00,768 INFO L168 Benchmark]: TraceAbstraction took 936.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:00,769 INFO L168 Benchmark]: Witness Printer took 41.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:02:00,771 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 187.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 936.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. * Witness Printer took 41.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] int i=0; [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 3 SDslu, 5 SDs, 0 SdLazy, 21 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=2, 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 1 NumberOfNonLiveVariables, 14 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...