./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7d414d68736ab19121f0afd030fc9c628e90ba4 ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:32:24,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:32:24,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:32:24,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:32:24,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:32:24,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:32:24,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:32:24,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:32:24,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:32:24,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:32:24,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:32:24,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:32:24,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:32:24,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:32:24,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:32:24,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:32:24,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:32:24,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:32:24,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:32:24,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:32:24,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:32:24,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:32:24,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:32:24,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:32:24,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:32:24,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:32:24,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:32:24,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:32:24,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:32:24,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:32:24,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:32:24,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:32:24,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:32:24,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:32:24,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:32:24,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:32:24,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:32:24,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:32:24,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:32:24,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:32:24,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:32:24,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-12-03 12:32:24,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:32:24,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:32:24,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:32:24,591 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:32:24,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:32:24,591 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:32:24,591 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:32:24,592 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:32:24,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:32:24,592 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:32:24,593 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:32:24,594 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:32:24,594 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:32:24,594 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:32:24,594 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:32:24,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:32:24,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:32:24,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:32:24,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:32:24,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:32:24,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:32:24,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:32:24,597 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 12:32:24,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:32:24,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:32:24,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:32:24,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:32:24,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:32:24,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:32:24,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:32:24,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:32:24,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:32:24,602 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:32:24,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:32:24,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:32:24,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:32:24,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:32:24,603 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_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7d414d68736ab19121f0afd030fc9c628e90ba4 [2020-12-03 12:32:24,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:32:24,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:32:24,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:32:24,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:32:24,899 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:32:24,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2020-12-03 12:32:24,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/data/77f07b6da/7f6983c9c1f74cff95765f1dbaef209d/FLAG678f70074 [2020-12-03 12:32:25,518 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:32:25,519 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2020-12-03 12:32:25,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/data/77f07b6da/7f6983c9c1f74cff95765f1dbaef209d/FLAG678f70074 [2020-12-03 12:32:25,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/data/77f07b6da/7f6983c9c1f74cff95765f1dbaef209d [2020-12-03 12:32:25,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:32:25,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:32:25,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:25,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:32:25,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:32:25,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:25" (1/1) ... [2020-12-03 12:32:25,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f73993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:25, skipping insertion in model container [2020-12-03 12:32:25,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:25" (1/1) ... [2020-12-03 12:32:25,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:32:25,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:32:26,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:32:26,086 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:32:26,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:32:26,128 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:32:26,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26 WrapperNode [2020-12-03 12:32:26,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:26,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:32:26,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:32:26,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:32:26,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:32:26,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:32:26,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:32:26,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:32:26,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:32:26,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:32:26,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:32:26,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:32:26,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/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 [2020-12-03 12:32:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:32:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:32:26,517 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:32:26,517 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-03 12:32:26,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:26 BoogieIcfgContainer [2020-12-03 12:32:26,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:32:26,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:32:26,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:32:26,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:32:26,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:32:25" (1/3) ... [2020-12-03 12:32:26,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fb94b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:32:26, skipping insertion in model container [2020-12-03 12:32:26,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26" (2/3) ... [2020-12-03 12:32:26,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fb94b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:32:26, skipping insertion in model container [2020-12-03 12:32:26,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:26" (3/3) ... [2020-12-03 12:32:26,541 INFO L111 eAbstractionObserver]: Analyzing ICFG GulwaniJainKoskinen-PLDI2009-Fig1.c [2020-12-03 12:32:26,554 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:32:26,556 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-03 12:32:26,566 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-03 12:32:26,589 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:32:26,590 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:32:26,590 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:32:26,590 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:32:26,590 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:32:26,590 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:32:26,590 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:32:26,590 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:32:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-12-03 12:32:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-03 12:32:26,607 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:26,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-03 12:32:26,608 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:32:26,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:26,613 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2020-12-03 12:32:26,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:32:26,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97492577] [2020-12-03 12:32:26,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:32:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:26,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97492577] [2020-12-03 12:32:26,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:26,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:32:26,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705175102] [2020-12-03 12:32:26,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-03 12:32:26,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:32:26,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-03 12:32:26,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-03 12:32:26,802 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2020-12-03 12:32:26,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:26,886 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2020-12-03 12:32:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-03 12:32:26,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2020-12-03 12:32:26,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:26,897 INFO L225 Difference]: With dead ends: 19 [2020-12-03 12:32:26,897 INFO L226 Difference]: Without dead ends: 12 [2020-12-03 12:32:26,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-03 12:32:26,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-03 12:32:26,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-03 12:32:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-03 12:32:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2020-12-03 12:32:26,953 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 3 [2020-12-03 12:32:26,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:26,953 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2020-12-03 12:32:26,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-03 12:32:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-12-03 12:32:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 12:32:26,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:26,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-03 12:32:26,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 12:32:26,955 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:32:26,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:26,960 INFO L82 PathProgramCache]: Analyzing trace with hash 957349, now seen corresponding path program 1 times [2020-12-03 12:32:26,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:32:26,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915750736] [2020-12-03 12:32:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:32:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:27,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915750736] [2020-12-03 12:32:27,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:27,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:32:27,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868620485] [2020-12-03 12:32:27,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:32:27,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:32:27,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:32:27,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:27,008 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 3 states. [2020-12-03 12:32:27,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:27,026 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-12-03 12:32:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:32:27,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-03 12:32:27,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:27,028 INFO L225 Difference]: With dead ends: 12 [2020-12-03 12:32:27,029 INFO L226 Difference]: Without dead ends: 11 [2020-12-03 12:32:27,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:27,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-03 12:32:27,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-12-03 12:32:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-12-03 12:32:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2020-12-03 12:32:27,035 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 4 [2020-12-03 12:32:27,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:27,036 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2020-12-03 12:32:27,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:32:27,037 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-12-03 12:32:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 12:32:27,038 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:27,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:27,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-03 12:32:27,039 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:32:27,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:27,043 INFO L82 PathProgramCache]: Analyzing trace with hash -628979729, now seen corresponding path program 1 times [2020-12-03 12:32:27,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:32:27,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844602264] [2020-12-03 12:32:27,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:32:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:32:27,074 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:32:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:32:27,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:32:27,125 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-03 12:32:27,127 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 12:32:27,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-03 12:32:27,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:32:27 BoogieIcfgContainer [2020-12-03 12:32:27,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:32:27,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:32:27,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:32:27,150 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:32:27,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:26" (3/4) ... [2020-12-03 12:32:27,153 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-03 12:32:27,198 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_be9d3f5b-66e4-47a4-8228-1dcd93e80e24/bin/utaipan/witness.graphml [2020-12-03 12:32:27,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:32:27,201 INFO L168 Benchmark]: Toolchain (without parser) took 1303.18 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 79.6 MB in the beginning and 102.4 MB in the end (delta: -22.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:27,207 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 107.0 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 55.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:27,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.50 ms. Allocated memory is still 107.0 MB. Free memory was 79.4 MB in the beginning and 84.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:27,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.41 ms. Allocated memory is still 107.0 MB. Free memory was 83.9 MB in the beginning and 82.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:27,209 INFO L168 Benchmark]: Boogie Preprocessor took 19.22 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.8 MB in the end (delta: 920.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:27,209 INFO L168 Benchmark]: RCFGBuilder took 338.77 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 69.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:27,210 INFO L168 Benchmark]: TraceAbstraction took 628.10 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 69.4 MB in the beginning and 103.9 MB in the end (delta: -34.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:27,210 INFO L168 Benchmark]: Witness Printer took 48.78 ms. Allocated memory is still 136.3 MB. Free memory was 103.9 MB in the beginning and 102.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:27,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 107.0 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 55.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.50 ms. Allocated memory is still 107.0 MB. Free memory was 79.4 MB in the beginning and 84.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.41 ms. Allocated memory is still 107.0 MB. Free memory was 83.9 MB in the beginning and 82.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.22 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.8 MB in the end (delta: 920.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 338.77 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 69.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 628.10 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 69.4 MB in the beginning and 103.9 MB in the end (delta: -34.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 48.78 ms. Allocated memory is still 136.3 MB. Free memory was 103.9 MB in the beginning and 102.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int id, maxId, tmp; [L17] id = __VERIFIER_nondet_int() [L18] maxId = __VERIFIER_nondet_int() [L21] COND TRUE 0 <= id && id < maxId [L22] EXPR id+1 [L22] tmp = id+1 [L23] tmp!=id && __VERIFIER_nondet_int() != 0 [L23] tmp!=id && __VERIFIER_nondet_int() != 0 [L23] COND TRUE tmp!=id && __VERIFIER_nondet_int() != 0 [L24] COND TRUE tmp <= maxId [L25] tmp + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 SDtfs, 37 SDslu, 1 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...