./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/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-a4ecdab [2020-11-28 07:33:33,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:33:33,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:33:33,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:33:33,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:33:33,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:33:33,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:33:33,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:33:33,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:33:33,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:33:33,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:33:33,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:33:33,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:33:33,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:33:33,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:33:33,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:33:33,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:33:33,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:33:33,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:33:33,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:33:33,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:33:33,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:33:33,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:33:33,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:33:33,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:33:33,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:33:33,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:33:33,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:33:33,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:33:33,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:33:33,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:33:33,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:33:33,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:33:33,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:33:33,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:33:33,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:33:33,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:33:33,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:33:33,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:33:33,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:33:33,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:33:33,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-11-28 07:33:34,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:33:34,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:33:34,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:33:34,024 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:33:34,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:33:34,024 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:33:34,025 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:33:34,025 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:33:34,025 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:33:34,025 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:33:34,026 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:33:34,026 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:33:34,026 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:33:34,026 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:33:34,027 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:33:34,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:33:34,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:33:34,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:33:34,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:33:34,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:33:34,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:33:34,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:33:34,029 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 07:33:34,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:33:34,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:33:34,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:33:34,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:33:34,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:33:34,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:33:34,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:33:34,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:33:34,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:33:34,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:33:34,032 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:33:34,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:33:34,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:33:34,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:33:34,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:33:34,033 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_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7d414d68736ab19121f0afd030fc9c628e90ba4 [2020-11-28 07:33:34,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:33:34,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:33:34,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:33:34,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:33:34,313 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:33:34,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2020-11-28 07:33:34,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/data/52e9fbd6a/b3ad697ea69949a8a5f545315008d9d4/FLAG71ee85416 [2020-11-28 07:33:34,835 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:33:34,836 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2020-11-28 07:33:34,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/data/52e9fbd6a/b3ad697ea69949a8a5f545315008d9d4/FLAG71ee85416 [2020-11-28 07:33:35,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/data/52e9fbd6a/b3ad697ea69949a8a5f545315008d9d4 [2020-11-28 07:33:35,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:33:35,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:33:35,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:33:35,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:33:35,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:33:35,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d02a3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35, skipping insertion in model container [2020-11-28 07:33:35,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:33:35,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:33:35,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:33:35,486 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:33:35,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:33:35,521 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:33:35,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35 WrapperNode [2020-11-28 07:33:35,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:33:35,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:33:35,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:33:35,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:33:35,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:33:35,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:33:35,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:33:35,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:33:35,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... [2020-11-28 07:33:35,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:33:35,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:33:35,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:33:35,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:33:35,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:33:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:33:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:33:35,983 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:33:35,983 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 07:33:35,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:33:35 BoogieIcfgContainer [2020-11-28 07:33:35,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:33:35,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:33:35,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:33:35,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:33:35,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:33:35" (1/3) ... [2020-11-28 07:33:35,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c46cea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:33:35, skipping insertion in model container [2020-11-28 07:33:35,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:35" (2/3) ... [2020-11-28 07:33:35,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c46cea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:33:35, skipping insertion in model container [2020-11-28 07:33:35,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:33:35" (3/3) ... [2020-11-28 07:33:35,995 INFO L111 eAbstractionObserver]: Analyzing ICFG GulwaniJainKoskinen-PLDI2009-Fig1.c [2020-11-28 07:33:36,007 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:33:36,012 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-28 07:33:36,025 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-28 07:33:36,051 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:33:36,052 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:33:36,052 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:33:36,052 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:33:36,052 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:33:36,052 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:33:36,053 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:33:36,053 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:33:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-11-28 07:33:36,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 07:33:36,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:33:36,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-28 07:33:36,075 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:33:36,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:33:36,081 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2020-11-28 07:33:36,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:33:36,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212032929] [2020-11-28 07:33:36,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:33:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:33:36,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:33:36,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212032929] [2020-11-28 07:33:36,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:33:36,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:33:36,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678379218] [2020-11-28 07:33:36,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:33:36,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:33:36,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:33:36,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:33:36,297 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2020-11-28 07:33:36,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:33:36,371 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2020-11-28 07:33:36,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:33:36,373 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2020-11-28 07:33:36,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:33:36,382 INFO L225 Difference]: With dead ends: 19 [2020-11-28 07:33:36,382 INFO L226 Difference]: Without dead ends: 12 [2020-11-28 07:33:36,385 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 [2020-11-28 07:33:36,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-28 07:33:36,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-28 07:33:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 07:33:36,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2020-11-28 07:33:36,419 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 3 [2020-11-28 07:33:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:33:36,420 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2020-11-28 07:33:36,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:33:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-11-28 07:33:36,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 07:33:36,421 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:33:36,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 07:33:36,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:33:36,422 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:33:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:33:36,423 INFO L82 PathProgramCache]: Analyzing trace with hash 957349, now seen corresponding path program 1 times [2020-11-28 07:33:36,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:33:36,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93108700] [2020-11-28 07:33:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:33:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:33:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:33:36,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93108700] [2020-11-28 07:33:36,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:33:36,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:33:36,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600093532] [2020-11-28 07:33:36,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:33:36,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:33:36,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:33:36,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:33:36,452 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 3 states. [2020-11-28 07:33:36,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:33:36,467 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-11-28 07:33:36,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:33:36,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-28 07:33:36,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:33:36,469 INFO L225 Difference]: With dead ends: 12 [2020-11-28 07:33:36,469 INFO L226 Difference]: Without dead ends: 11 [2020-11-28 07:33:36,470 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 [2020-11-28 07:33:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-28 07:33:36,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-28 07:33:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-28 07:33:36,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2020-11-28 07:33:36,474 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 4 [2020-11-28 07:33:36,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:33:36,474 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2020-11-28 07:33:36,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:33:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-11-28 07:33:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 07:33:36,475 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:33:36,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:33:36,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:33:36,476 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:33:36,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:33:36,477 INFO L82 PathProgramCache]: Analyzing trace with hash -628979729, now seen corresponding path program 1 times [2020-11-28 07:33:36,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:33:36,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636646744] [2020-11-28 07:33:36,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:33:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:33:36,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:33:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:33:36,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:33:36,530 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:33:36,531 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:33:36,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 07:33:36,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:33:36 BoogieIcfgContainer [2020-11-28 07:33:36,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:33:36,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:33:36,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:33:36,552 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:33:36,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:33:35" (3/4) ... [2020-11-28 07:33:36,555 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 07:33:36,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4aea7aae-54a3-4408-8c1e-91a633f7ab9b/bin/utaipan/witness.graphml [2020-11-28 07:33:36,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:33:36,592 INFO L168 Benchmark]: Toolchain (without parser) took 1348.98 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 66.4 MB in the beginning and 77.9 MB in the end (delta: -11.6 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:33:36,593 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 54.2 MB in the beginning and 54.1 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:33:36,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.72 ms. Allocated memory is still 94.4 MB. Free memory was 66.2 MB in the beginning and 73.3 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:33:36,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.63 ms. Allocated memory is still 94.4 MB. Free memory was 73.3 MB in the beginning and 72.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:33:36,596 INFO L168 Benchmark]: Boogie Preprocessor took 17.59 ms. Allocated memory is still 94.4 MB. Free memory was 72.0 MB in the beginning and 70.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:33:36,596 INFO L168 Benchmark]: RCFGBuilder took 414.79 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 59.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:33:36,597 INFO L168 Benchmark]: TraceAbstraction took 563.89 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 59.1 MB in the beginning and 80.0 MB in the end (delta: -20.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:33:36,598 INFO L168 Benchmark]: Witness Printer took 38.30 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 77.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:33:36,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 54.2 MB in the beginning and 54.1 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 278.72 ms. Allocated memory is still 94.4 MB. Free memory was 66.2 MB in the beginning and 73.3 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.63 ms. Allocated memory is still 94.4 MB. Free memory was 73.3 MB in the beginning and 72.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.59 ms. Allocated memory is still 94.4 MB. Free memory was 72.0 MB in the beginning and 70.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 414.79 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 59.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 563.89 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 59.1 MB in the beginning and 80.0 MB in the end (delta: -20.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 38.30 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 77.9 MB in the end (delta: 2.0 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: 0.4s, 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, 0.1s 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...