./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_31_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_31_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0 --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 f0a90d2d7a3d39ee362ca5cc3987ba0118bf869efa370f6181f111860c9f3a06 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 19:42:02,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:42:02,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:42:02,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:42:02,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:42:02,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:42:02,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:42:02,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:42:02,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:42:02,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:42:02,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:42:02,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:42:02,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:42:02,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:42:02,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:42:02,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:42:02,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:42:02,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:42:02,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:42:02,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:42:02,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:42:02,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:42:02,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:42:02,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:42:02,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:42:02,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:42:02,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:42:02,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:42:02,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:42:02,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:42:02,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:42:02,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:42:02,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:42:02,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:42:02,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:42:02,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:42:02,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:42:02,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:42:02,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:42:02,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:42:02,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:42:02,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-16 19:42:02,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:42:02,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:42:02,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:42:02,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:42:02,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:42:02,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:42:02,326 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:42:02,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:42:02,327 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:42:02,327 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:42:02,328 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:42:02,328 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:42:02,328 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:42:02,329 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:42:02,329 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:42:02,329 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:42:02,329 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:42:02,330 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:42:02,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:42:02,330 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:42:02,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:42:02,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:42:02,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:42:02,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:42:02,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:42:02,340 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 19:42:02,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:42:02,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:42:02,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:42:02,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:42:02,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:42:02,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:42:02,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:42:02,344 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:42:02,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:42:02,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:42:02,344 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:42:02,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:42:02,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:42:02,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:42:02,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0a90d2d7a3d39ee362ca5cc3987ba0118bf869efa370f6181f111860c9f3a06 [2022-11-16 19:42:02,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:42:02,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:42:02,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:42:02,620 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:42:02,621 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:42:02,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_31_good.i [2022-11-16 19:42:02,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/data/3b62309cb/af184114a1dd4f6f8273ef00426226ce/FLAGa7f39c0ac [2022-11-16 19:42:03,371 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:42:03,375 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_31_good.i [2022-11-16 19:42:03,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/data/3b62309cb/af184114a1dd4f6f8273ef00426226ce/FLAGa7f39c0ac [2022-11-16 19:42:03,515 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/data/3b62309cb/af184114a1dd4f6f8273ef00426226ce [2022-11-16 19:42:03,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:42:03,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:42:03,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:42:03,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:42:03,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:42:03,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:42:03" (1/1) ... [2022-11-16 19:42:03,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e040423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:03, skipping insertion in model container [2022-11-16 19:42:03,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:42:03" (1/1) ... [2022-11-16 19:42:03,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:42:03,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:42:04,026 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 19:42:04,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:42:04,548 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:42:04,582 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 19:42:04,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:42:04,865 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:42:04,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04 WrapperNode [2022-11-16 19:42:04,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:42:04,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:42:04,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:42:04,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:42:04,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,928 INFO L138 Inliner]: procedures = 501, calls = 141, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 132 [2022-11-16 19:42:04,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:42:04,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:42:04,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:42:04,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:42:04,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,953 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:42:04,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:42:04,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:42:04,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:42:04,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (1/1) ... [2022-11-16 19:42:04,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:42:04,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:42:04,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:42:05,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:42:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-16 19:42:05,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-16 19:42:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-16 19:42:05,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-16 19:42:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:42:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:42:05,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:42:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-16 19:42:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:42:05,202 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:42:05,204 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:42:05,430 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:42:05,494 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:42:05,494 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 19:42:05,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:42:05 BoogieIcfgContainer [2022-11-16 19:42:05,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:42:05,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:42:05,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:42:05,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:42:05,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:42:03" (1/3) ... [2022-11-16 19:42:05,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69276c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:42:05, skipping insertion in model container [2022-11-16 19:42:05,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:04" (2/3) ... [2022-11-16 19:42:05,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69276c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:42:05, skipping insertion in model container [2022-11-16 19:42:05,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:42:05" (3/3) ... [2022-11-16 19:42:05,546 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_31_good.i [2022-11-16 19:42:05,597 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:42:05,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 19:42:05,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:42:05,659 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@340cd8c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:42:05,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-16 19:42:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-16 19:42:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 19:42:05,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:05,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-16 19:42:05,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-16 19:42:05,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:05,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1792272987, now seen corresponding path program 1 times [2022-11-16 19:42:05,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:05,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541225519] [2022-11-16 19:42:05,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:05,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:42:06,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:06,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541225519] [2022-11-16 19:42:06,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541225519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:06,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:06,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:42:06,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570259928] [2022-11-16 19:42:06,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:06,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:42:06,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:06,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:42:06,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:42:06,241 INFO L87 Difference]: Start difference. First operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 19:42:06,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:06,317 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-16 19:42:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:42:06,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-16 19:42:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:06,336 INFO L225 Difference]: With dead ends: 24 [2022-11-16 19:42:06,337 INFO L226 Difference]: Without dead ends: 16 [2022-11-16 19:42:06,341 INFO L412 NwaCegarLoop]: 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 [2022-11-16 19:42:06,354 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 11 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:06,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 24 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 19:42:06,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-16 19:42:06,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-16 19:42:06,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 19:42:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2022-11-16 19:42:06,399 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 6 [2022-11-16 19:42:06,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:06,400 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2022-11-16 19:42:06,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 19:42:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2022-11-16 19:42:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 19:42:06,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:06,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:06,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:42:06,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-16 19:42:06,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:06,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1548381630, now seen corresponding path program 1 times [2022-11-16 19:42:06,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:06,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297986504] [2022-11-16 19:42:06,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:06,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:42:06,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:06,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297986504] [2022-11-16 19:42:06,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297986504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:06,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:06,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:42:06,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546806804] [2022-11-16 19:42:06,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:06,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:42:06,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:06,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:42:06,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:42:06,487 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:42:06,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:06,504 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2022-11-16 19:42:06,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:42:06,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2022-11-16 19:42:06,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:06,506 INFO L225 Difference]: With dead ends: 16 [2022-11-16 19:42:06,506 INFO L226 Difference]: Without dead ends: 15 [2022-11-16 19:42:06,507 INFO L412 NwaCegarLoop]: 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 [2022-11-16 19:42:06,509 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:06,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:42:06,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-16 19:42:06,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-16 19:42:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 19:42:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2022-11-16 19:42:06,514 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 13 [2022-11-16 19:42:06,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:06,514 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2022-11-16 19:42:06,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:42:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2022-11-16 19:42:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 19:42:06,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:06,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:06,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:42:06,516 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-16 19:42:06,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:06,517 INFO L85 PathProgramCache]: Analyzing trace with hash 755190332, now seen corresponding path program 1 times [2022-11-16 19:42:06,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:06,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916623512] [2022-11-16 19:42:06,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:06,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:42:06,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:06,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916623512] [2022-11-16 19:42:06,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916623512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:06,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:06,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:42:06,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965304159] [2022-11-16 19:42:06,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:06,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:42:06,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:06,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:42:06,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:42:06,669 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:42:06,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:06,687 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2022-11-16 19:42:06,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:42:06,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2022-11-16 19:42:06,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:06,689 INFO L225 Difference]: With dead ends: 15 [2022-11-16 19:42:06,689 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 19:42:06,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:42:06,691 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:06,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:42:06,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 19:42:06,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 19:42:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:42:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 19:42:06,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-16 19:42:06,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:06,694 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 19:42:06,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:42:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 19:42:06,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 19:42:06,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-16 19:42:06,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-16 19:42:06,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-16 19:42:06,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-16 19:42:06,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 19:42:06,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 19:42:06,733 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-16 19:42:06,733 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-16 19:42:06,733 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-16 19:42:06,733 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-16 19:42:06,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-16 19:42:06,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 19:42:06,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-16 19:42:06,734 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2022-11-16 19:42:06,734 INFO L899 garLoopResultBuilder]: For program point L1557-1(line 1557) no Hoare annotation was computed. [2022-11-16 19:42:06,734 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2022-11-16 19:42:06,735 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-11-16 19:42:06,735 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1578) no Hoare annotation was computed. [2022-11-16 19:42:06,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-16 19:42:06,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-16 19:42:06,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 19:42:06,738 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2022-11-16 19:42:06,738 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2022-11-16 19:42:06,738 INFO L895 garLoopResultBuilder]: At program point L1591-1(line 1591) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2022-11-16 19:42:06,738 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-11-16 19:42:06,739 INFO L899 garLoopResultBuilder]: For program point L1558-1(lines 1548 1561) no Hoare annotation was computed. [2022-11-16 19:42:06,739 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-16 19:42:06,739 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2022-11-16 19:42:06,739 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1562 1580) no Hoare annotation was computed. [2022-11-16 19:42:06,739 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2022-11-16 19:42:06,749 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 19:42:06,751 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:42:06,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:42:06 BoogieIcfgContainer [2022-11-16 19:42:06,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:42:06,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:42:06,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:42:06,774 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:42:06,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:42:05" (3/4) ... [2022-11-16 19:42:06,778 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 19:42:06,783 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-16 19:42:06,783 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-16 19:42:06,789 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2022-11-16 19:42:06,789 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-16 19:42:06,790 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-16 19:42:06,790 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 19:42:06,790 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 19:42:06,790 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 19:42:06,791 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 19:42:06,827 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 19:42:06,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:42:06,828 INFO L158 Benchmark]: Toolchain (without parser) took 3309.74ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 61.2MB in the beginning and 131.5MB in the end (delta: -70.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:42:06,829 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:42:06,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.79ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 61.0MB in the beginning and 90.5MB in the end (delta: -29.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-16 19:42:06,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.87ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 87.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:42:06,830 INFO L158 Benchmark]: Boogie Preprocessor took 27.04ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:42:06,830 INFO L158 Benchmark]: RCFGBuilder took 540.07ms. Allocated memory is still 136.3MB. Free memory was 85.7MB in the beginning and 66.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 19:42:06,831 INFO L158 Benchmark]: TraceAbstraction took 1274.29ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 66.5MB in the beginning and 134.6MB in the end (delta: -68.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-16 19:42:06,831 INFO L158 Benchmark]: Witness Printer took 53.62ms. Allocated memory is still 163.6MB. Free memory was 134.6MB in the beginning and 131.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:42:06,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.79ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 61.0MB in the beginning and 90.5MB in the end (delta: -29.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.87ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 87.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.04ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.07ms. Allocated memory is still 136.3MB. Free memory was 85.7MB in the beginning and 66.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1274.29ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 66.5MB in the beginning and 134.6MB in the end (delta: -68.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 53.62ms. Allocated memory is still 163.6MB. Free memory was 134.6MB in the beginning and 131.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 35 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 18 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1591]: Loop Invariant Derived loop invariant: data == 2 RESULT: Ultimate proved your program to be correct! [2022-11-16 19:42:06,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c9c764-3075-4b66-aca5-e169decb5c9f/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE