./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005b.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fef737e6ce8f4d154b70d44967f8d8c87159a2fe .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:02:08,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:08,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:08,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:08,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:08,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:08,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:08,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:08,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:08,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:08,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:08,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:08,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:08,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:08,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:08,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:08,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:08,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:08,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:08,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:08,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:08,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:08,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:08,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:08,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:08,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:08,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:08,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:08,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:08,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:08,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:08,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:08,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:08,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:08,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:08,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:08,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:08,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:08,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:08,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:08,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:08,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:02:08,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:08,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:08,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:08,992 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:08,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:08,993 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:08,993 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:02:08,994 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:08,994 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:08,995 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:02:08,995 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:02:08,995 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:08,996 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:02:08,996 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:02:08,997 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:02:08,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:08,998 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:08,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:02:08,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:08,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:09,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:09,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:09,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:09,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:09,003 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:09,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:09,003 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:09,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:09,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:09,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:09,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:09,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:09,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:09,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:09,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:09,004 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:02:09,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:02:09,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:09,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:09,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:09,005 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_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fef737e6ce8f4d154b70d44967f8d8c87159a2fe [2020-11-22 13:02:09,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:09,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:09,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:09,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:09,259 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:09,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/../../sv-benchmarks/c/loop-lit/cggmp2005b.i [2020-11-22 13:02:09,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/data/f0026d1ce/ad48405079024c7d9bb9fb600f9cb1d0/FLAGe00b33198 [2020-11-22 13:02:09,787 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:09,788 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/sv-benchmarks/c/loop-lit/cggmp2005b.i [2020-11-22 13:02:09,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/data/f0026d1ce/ad48405079024c7d9bb9fb600f9cb1d0/FLAGe00b33198 [2020-11-22 13:02:10,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/data/f0026d1ce/ad48405079024c7d9bb9fb600f9cb1d0 [2020-11-22 13:02:10,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:10,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:10,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:10,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:10,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:10,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f74f820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10, skipping insertion in model container [2020-11-22 13:02:10,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:10,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:10,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:10,435 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:02:10,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:10,463 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:02:10,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10 WrapperNode [2020-11-22 13:02:10,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:10,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:10,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:02:10,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:02:10,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:10,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:02:10,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:02:10,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:02:10,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... [2020-11-22 13:02:10,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:02:10,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:02:10,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:02:10,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:02:10,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:02:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:02:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:02:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:02:10,937 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:02:10,938 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-22 13:02:10,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:10 BoogieIcfgContainer [2020-11-22 13:02:10,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:02:10,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:02:10,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:02:10,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:02:10,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:02:10" (1/3) ... [2020-11-22 13:02:10,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65377017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:10, skipping insertion in model container [2020-11-22 13:02:10,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:10" (2/3) ... [2020-11-22 13:02:10,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65377017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:10, skipping insertion in model container [2020-11-22 13:02:10,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:10" (3/3) ... [2020-11-22 13:02:10,948 INFO L111 eAbstractionObserver]: Analyzing ICFG cggmp2005b.i [2020-11-22 13:02:10,968 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:02:10,972 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:02:11,004 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:02:11,027 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:02:11,027 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:02:11,027 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:02:11,027 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:02:11,027 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:02:11,027 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:02:11,028 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:02:11,028 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:02:11,045 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-22 13:02:11,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-22 13:02:11,050 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:11,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-22 13:02:11,052 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:11,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:11,057 INFO L82 PathProgramCache]: Analyzing trace with hash 88900828, now seen corresponding path program 1 times [2020-11-22 13:02:11,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:02:11,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105879192] [2020-11-22 13:02:11,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:02:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:02:11,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105879192] [2020-11-22 13:02:11,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:11,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:02:11,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439647993] [2020-11-22 13:02:11,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:02:11,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:02:11,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:02:11,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:02:11,237 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2020-11-22 13:02:11,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:11,269 INFO L93 Difference]: Finished difference Result 18 states and 24 transitions. [2020-11-22 13:02:11,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:11,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-22 13:02:11,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:11,289 INFO L225 Difference]: With dead ends: 18 [2020-11-22 13:02:11,289 INFO L226 Difference]: Without dead ends: 9 [2020-11-22 13:02:11,292 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 [2020-11-22 13:02:11,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-11-22 13:02:11,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-11-22 13:02:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-22 13:02:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2020-11-22 13:02:11,350 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 5 [2020-11-22 13:02:11,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:11,350 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-11-22 13:02:11,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:02:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-22 13:02:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-22 13:02:11,351 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:11,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:11,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:02:11,352 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:11,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:11,353 INFO L82 PathProgramCache]: Analyzing trace with hash -408464631, now seen corresponding path program 1 times [2020-11-22 13:02:11,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:02:11,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114063574] [2020-11-22 13:02:11,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:02:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:02:11,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114063574] [2020-11-22 13:02:11,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:11,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:02:11,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538565940] [2020-11-22 13:02:11,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:02:11,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:02:11,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:02:11,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:02:11,418 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 3 states. [2020-11-22 13:02:11,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:11,436 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2020-11-22 13:02:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:11,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-22 13:02:11,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:11,437 INFO L225 Difference]: With dead ends: 17 [2020-11-22 13:02:11,438 INFO L226 Difference]: Without dead ends: 10 [2020-11-22 13:02:11,438 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 [2020-11-22 13:02:11,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-11-22 13:02:11,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-22 13:02:11,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-22 13:02:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-11-22 13:02:11,442 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 8 [2020-11-22 13:02:11,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:11,442 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-22 13:02:11,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:02:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-11-22 13:02:11,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-22 13:02:11,443 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:11,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:11,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:02:11,444 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:11,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:11,445 INFO L82 PathProgramCache]: Analyzing trace with hash -2032230813, now seen corresponding path program 1 times [2020-11-22 13:02:11,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:02:11,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168774354] [2020-11-22 13:02:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:02:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-22 13:02:11,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168774354] [2020-11-22 13:02:11,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125264528] [2020-11-22 13:02:11,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/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 [2020-11-22 13:02:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:11,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:02:11,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:11,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-22 13:02:11,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-22 13:02:11,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1879716641] [2020-11-22 13:02:11,683 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-11-22 13:02:11,683 INFO L166 IcfgInterpreter]: Building call graph [2020-11-22 13:02:11,689 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-22 13:02:11,694 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-22 13:02:11,695 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-22 13:02:12,506 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-22 13:02:12,949 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2020-11-22 13:02:13,308 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 33 [2020-11-22 13:02:13,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-11-22 13:02:13,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3, 3, 3] total 10 [2020-11-22 13:02:13,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18723765] [2020-11-22 13:02:13,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:02:13,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:02:13,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:02:13,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-11-22 13:02:13,313 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 6 states. [2020-11-22 13:02:13,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:13,370 INFO L93 Difference]: Finished difference Result 15 states and 21 transitions. [2020-11-22 13:02:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:02:13,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-11-22 13:02:13,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:13,371 INFO L225 Difference]: With dead ends: 15 [2020-11-22 13:02:13,371 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:02:13,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-11-22 13:02:13,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:02:13,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:02:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:02:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:02:13,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-11-22 13:02:13,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:13,374 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:02:13,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:02:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:02:13,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:02:13,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-22 13:02:13,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:02:13,819 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-22 13:02:13,926 INFO L270 CegarLoopResult]: At program point L35-2(lines 35 37) the Hoare annotation is: (and (<= |#t~string1.offset| 0) (<= 0 |#t~string0.base|) (<= 20 ULTIMATE.start_main_~j~0) (= |#NULL.base| 0) (<= 1 ULTIMATE.start_main_~i~0) (<= 0 |#t~string1.offset|) (= |#NULL.offset| 0) (= ULTIMATE.start_main_~k~0 4) (= |#t~string0.offset| 0) (<= 0 |#t~string1.base|) (<= 0 |#StackHeapBarrier|)) [2020-11-22 13:02:13,926 INFO L270 CegarLoopResult]: At program point L35-3(lines 29 38) the Hoare annotation is: (let ((.cse0 (= |#NULL.base| 0)) (.cse1 (= |#NULL.offset| 0)) (.cse2 (= |#t~string0.offset| 0))) (or (and (<= |#t~string1.offset| 0) (<= 0 |#t~string0.base|) (<= 20 ULTIMATE.start_main_~j~0) .cse0 (<= 1 ULTIMATE.start_main_~i~0) (<= 0 |#t~string1.offset|) .cse1 (= ULTIMATE.start_main_~k~0 4) .cse2 (<= 0 |#t~string1.base|) (<= 0 |#StackHeapBarrier|)) (let ((.cse3 (select |#memory_int| |#t~string0.base|))) (and (= |#t~string1.offset| 0) .cse0 (= (select .cse3 |#t~string0.offset|) 48) (= (select .cse3 (+ |#t~string0.offset| 1)) 0) (= (select |#valid| 0) 0) (= (select |#length| |#t~string1.base|) 9) (= 2 (select |#length| |#t~string0.base|)) (= ULTIMATE.start_main_~i~0 0) (< |#StackHeapBarrier| |#t~string0.base|) (= ULTIMATE.start_main_~k~0 9) (= (select |#valid| |#t~string0.base|) 1) (< 0 |#StackHeapBarrier|) (< |#StackHeapBarrier| |#t~string1.base|) .cse1 (= (select |#valid| |#t~string1.base|) 1) (= (+ ULTIMATE.start_main_~j~0 100) 0) .cse2)))) [2020-11-22 13:02:13,927 INFO L270 CegarLoopResult]: At program point L31-2(lines 31 33) the Hoare annotation is: (and (<= |#t~string1.offset| 0) (<= 0 |#t~string0.base|) (<= 0 (+ ULTIMATE.start_main_~j~0 100)) (<= ULTIMATE.start_main_~k~0 9) (= |#NULL.base| 0) (<= 1 ULTIMATE.start_main_~i~0) (<= 0 |#t~string1.offset|) (= |#NULL.offset| 0) (= |#t~string0.offset| 0) (<= 0 |#t~string1.base|) (<= 0 |#StackHeapBarrier|)) [2020-11-22 13:02:13,927 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:02:13,927 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-22 13:02:13,927 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-22 13:02:13,927 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-22 13:02:13,927 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-11-22 13:02:13,927 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:02:13,928 INFO L274 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-11-22 13:02:13,928 INFO L277 CegarLoopResult]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2020-11-22 13:02:13,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-22 13:02:13,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-22 13:02:13,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-22 13:02:13,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-22 13:02:13,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-22 13:02:13,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-22 13:02:13,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-22 13:02:13,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-22 13:02:13,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:13,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:13,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:02:13 BoogieIcfgContainer [2020-11-22 13:02:13,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:02:13,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:02:13,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:02:13,992 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:02:13,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:10" (3/4) ... [2020-11-22 13:02:13,996 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:02:14,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-22 13:02:14,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-22 13:02:14,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:02:14,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:14,080 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0f65cad1-45ae-49e7-a9e7-b1876a9d78f4/bin/utaipan/witness.graphml [2020-11-22 13:02:14,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:02:14,085 INFO L168 Benchmark]: Toolchain (without parser) took 3889.74 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 63.7 MB in the beginning and 52.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:14,086 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 61.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:14,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.01 ms. Allocated memory is still 86.0 MB. Free memory was 63.4 MB in the beginning and 64.6 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:14,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 63.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:14,091 INFO L168 Benchmark]: Boogie Preprocessor took 20.14 ms. Allocated memory is still 86.0 MB. Free memory was 63.1 MB in the beginning and 62.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:14,092 INFO L168 Benchmark]: RCFGBuilder took 422.50 ms. Allocated memory is still 86.0 MB. Free memory was 62.0 MB in the beginning and 47.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:14,092 INFO L168 Benchmark]: TraceAbstraction took 3049.61 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 47.3 MB in the beginning and 54.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:14,093 INFO L168 Benchmark]: Witness Printer took 92.98 ms. Allocated memory is still 125.8 MB. Free memory was 54.7 MB in the beginning and 52.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:14,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 61.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 268.01 ms. Allocated memory is still 86.0 MB. Free memory was 63.4 MB in the beginning and 64.6 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 63.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.14 ms. Allocated memory is still 86.0 MB. Free memory was 63.1 MB in the beginning and 62.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 422.50 ms. Allocated memory is still 86.0 MB. Free memory was 62.0 MB in the beginning and 47.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3049.61 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 47.3 MB in the beginning and 54.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * Witness Printer took 92.98 ms. Allocated memory is still 125.8 MB. Free memory was 54.7 MB in the beginning and 52.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant [2020-11-22 13:02:14,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-22 13:02:14,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-22 13:02:14,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-22 13:02:14,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-22 13:02:14,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-22 13:02:14,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-22 13:02:14,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-22 13:02:14,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-22 13:02:14,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((((("assert.h" <= 0 && 0 <= "0") && 20 <= j) && #NULL == 0) && 1 <= i) && 0 <= "assert.h") && #NULL == 0) && k == 4) && "0" == 0) && 0 <= "assert.h") && 0 <= unknown-#StackHeapBarrier-unknown) || (((((((((((((((("assert.h" == 0 && #NULL == 0) && unknown-#memory_int-unknown["0"]["0"] == 48) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && \valid[0] == 0) && unknown-#length-unknown["assert.h"] == 9) && 2 == unknown-#length-unknown["0"]) && i == 0) && unknown-#StackHeapBarrier-unknown < "0") && k == 9) && \valid["0"] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < "assert.h") && #NULL == 0) && \valid["assert.h"] == 1) && j + 100 == 0) && "0" == 0) - InvariantResult [Line: 35]: Loop Invariant [2020-11-22 13:02:14,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((((((("assert.h" <= 0 && 0 <= "0") && 20 <= j) && #NULL == 0) && 1 <= i) && 0 <= "assert.h") && #NULL == 0) && k == 4) && "0" == 0) && 0 <= "assert.h") && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 31]: Loop Invariant [2020-11-22 13:02:14,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-22 13:02:14,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-22 13:02:14,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((((((("assert.h" <= 0 && 0 <= "0") && 0 <= j + 100) && k <= 9) && #NULL == 0) && 1 <= i) && 0 <= "assert.h") && #NULL == 0) && "0" == 0) && 0 <= "assert.h") && 0 <= unknown-#StackHeapBarrier-unknown - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 5 SDslu, 15 SDs, 0 SdLazy, 21 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 180 HoareAnnotationTreeSize, 4 FomulaSimplifications, 44 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 73 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 561 SizeOfPredicates, 1 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 4/7 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: OVERALL_TIME[ms]: 824, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 10, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 18, TOOLS_POST_TIME[ms]: 245, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 18, TOOLS_QUANTIFIERELIM_TIME[ms]: 238, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 214, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 34, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 367, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 126, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 30, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 422, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 422, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 2, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 8, DAG_COMPRESSION_PROCESSED_NODES: 79, DAG_COMPRESSION_RETAINED_NODES: 27, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...