./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_45_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_45_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur --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 6ceb756b1aebef91fa054d0cc57117f436619b096e3706449d8946e27ace05e5 --- 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-38b53e6 [2022-11-25 23:17:22,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:17:22,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:17:22,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:17:22,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:17:22,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:17:22,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:17:22,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:17:22,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:17:22,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:17:22,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:17:22,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:17:22,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:17:22,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:17:22,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:17:22,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:17:22,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:17:22,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:17:22,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:17:22,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:17:22,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:17:22,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:17:22,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:17:22,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:17:22,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:17:22,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:17:22,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:17:22,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:17:22,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:17:22,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:17:22,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:17:22,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:17:22,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:17:22,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:17:22,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:17:22,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:17:22,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:17:22,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:17:22,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:17:22,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:17:22,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:17:22,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:17:22,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:17:22,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:17:22,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:17:22,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:17:22,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:17:22,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:17:22,471 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:17:22,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:17:22,471 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:17:22,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:17:22,472 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:17:22,473 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:17:22,473 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:17:22,473 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:17:22,473 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:17:22,474 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:17:22,474 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:17:22,474 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:17:22,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:17:22,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:17:22,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:17:22,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:17:22,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:17:22,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:17:22,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:17:22,477 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:17:22,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:17:22,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:17:22,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:17:22,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:17:22,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:17:22,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:17:22,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:17:22,479 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:17:22,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:17:22,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:17:22,480 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:17:22,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:17:22,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:17:22,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:17:22,481 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_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ceb756b1aebef91fa054d0cc57117f436619b096e3706449d8946e27ace05e5 [2022-11-25 23:17:22,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:17:22,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:17:22,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:17:22,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:17:22,873 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:17:22,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_45_good.i [2022-11-25 23:17:25,963 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:17:26,368 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:17:26,372 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_45_good.i [2022-11-25 23:17:26,401 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/data/9f4e39557/2af46eaf81ed492aae3752c842056e3a/FLAG84e8be996 [2022-11-25 23:17:26,423 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/data/9f4e39557/2af46eaf81ed492aae3752c842056e3a [2022-11-25 23:17:26,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:17:26,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:17:26,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:17:26,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:17:26,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:17:26,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:17:26" (1/1) ... [2022-11-25 23:17:26,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1092f3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:26, skipping insertion in model container [2022-11-25 23:17:26,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:17:26" (1/1) ... [2022-11-25 23:17:26,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:17:26,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:17:26,898 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:17:27,554 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:17:27,564 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:17:27,568 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:17:27,577 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:17:27,579 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:17:27,625 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:17:27,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:17:27,643 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:17:27,678 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:17:27,749 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:17:27,760 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:17:27,763 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:17:27,766 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:17:27,769 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:17:27,775 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:17:27,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:17:27,970 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:17:27,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27 WrapperNode [2022-11-25 23:17:27,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:17:27,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:17:27,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:17:27,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:17:27,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,052 INFO L138 Inliner]: procedures = 503, calls = 66, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 67 [2022-11-25 23:17:28,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:17:28,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:17:28,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:17:28,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:17:28,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,078 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:17:28,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:17:28,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:17:28,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:17:28,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (1/1) ... [2022-11-25 23:17:28,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:17:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:17:28,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:17:28,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:17:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:17:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:17:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:17:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:17:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:17:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:17:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:17:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:17:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:17:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:17:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:17:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:17:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:17:28,331 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:17:28,340 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:17:28,567 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:17:28,606 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:17:28,606 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:17:28,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:17:28 BoogieIcfgContainer [2022-11-25 23:17:28,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:17:28,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:17:28,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:17:28,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:17:28,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:17:26" (1/3) ... [2022-11-25 23:17:28,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7ff975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:17:28, skipping insertion in model container [2022-11-25 23:17:28,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:27" (2/3) ... [2022-11-25 23:17:28,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7ff975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:17:28, skipping insertion in model container [2022-11-25 23:17:28,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:17:28" (3/3) ... [2022-11-25 23:17:28,619 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_45_good.i [2022-11-25 23:17:28,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:17:28,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 23:17:28,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:17:28,700 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;@500a5713, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:17:28,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 23:17:28,705 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) [2022-11-25 23:17:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:17:28,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:17:28,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:17:28,714 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)] === [2022-11-25 23:17:28,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:17:28,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1616621407, now seen corresponding path program 1 times [2022-11-25 23:17:28,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:17:28,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043508142] [2022-11-25 23:17:28,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:17:28,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:17:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:17:29,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:17:29,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:17:29,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043508142] [2022-11-25 23:17:29,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043508142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:17:29,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:17:29,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:17:29,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911439145] [2022-11-25 23:17:29,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:17:29,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:17:29,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:17:29,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:17:29,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:17:29,185 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) [2022-11-25 23:17:29,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:17:29,255 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-25 23:17:29,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:17:29,258 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 [2022-11-25 23:17:29,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:17:29,266 INFO L225 Difference]: With dead ends: 24 [2022-11-25 23:17:29,266 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 23:17:29,269 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 [2022-11-25 23:17:29,273 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:17:29,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:17:29,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 23:17:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 23:17:29,310 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) [2022-11-25 23:17:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2022-11-25 23:17:29,312 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 6 [2022-11-25 23:17:29,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:17:29,313 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2022-11-25 23:17:29,313 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) [2022-11-25 23:17:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2022-11-25 23:17:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:17:29,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:17:29,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:17:29,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:17:29,316 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)] === [2022-11-25 23:17:29,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:17:29,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1738877091, now seen corresponding path program 1 times [2022-11-25 23:17:29,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:17:29,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536067885] [2022-11-25 23:17:29,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:17:29,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:17:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:17:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:17:29,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:17:29,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536067885] [2022-11-25 23:17:29,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536067885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:17:29,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:17:29,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:17:29,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076952596] [2022-11-25 23:17:29,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:17:29,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:17:29,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:17:29,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:17:29,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:17:29,563 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) [2022-11-25 23:17:29,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:17:29,581 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2022-11-25 23:17:29,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:17:29,582 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 [2022-11-25 23:17:29,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:17:29,583 INFO L225 Difference]: With dead ends: 16 [2022-11-25 23:17:29,583 INFO L226 Difference]: Without dead ends: 15 [2022-11-25 23:17:29,583 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 [2022-11-25 23:17:29,585 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:17:29,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:17:29,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-25 23:17:29,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-25 23:17:29,589 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) [2022-11-25 23:17:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2022-11-25 23:17:29,589 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 13 [2022-11-25 23:17:29,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:17:29,590 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2022-11-25 23:17:29,590 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) [2022-11-25 23:17:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2022-11-25 23:17:29,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:17:29,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:17:29,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:17:29,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:17:29,592 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)] === [2022-11-25 23:17:29,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:17:29,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1929384967, now seen corresponding path program 1 times [2022-11-25 23:17:29,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:17:29,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628803174] [2022-11-25 23:17:29,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:17:29,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:17:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:17:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:17:29,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:17:29,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628803174] [2022-11-25 23:17:29,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628803174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:17:29,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:17:29,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:17:29,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459734654] [2022-11-25 23:17:29,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:17:29,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:17:29,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:17:29,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:17:29,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:17:29,649 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand has 3 states, 2 states have (on average 5.0) 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) [2022-11-25 23:17:29,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:17:29,666 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2022-11-25 23:17:29,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:17:29,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) 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 [2022-11-25 23:17:29,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:17:29,667 INFO L225 Difference]: With dead ends: 15 [2022-11-25 23:17:29,667 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:17:29,667 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 [2022-11-25 23:17:29,669 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 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 [2022-11-25 23:17:29,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:17:29,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:17:29,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:17:29,671 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) [2022-11-25 23:17:29,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:17:29,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-25 23:17:29,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:17:29,671 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:17:29,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) 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) [2022-11-25 23:17:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:17:29,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:17:29,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 23:17:29,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 23:17:29,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 23:17:29,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 23:17:29,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:17:29,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:17:29,693 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:17:29,694 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:17:29,694 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:17:29,694 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:17:29,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-11-25 23:17:29,695 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:17:29,695 INFO L902 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: true [2022-11-25 23:17:29,695 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1573) no Hoare annotation was computed. [2022-11-25 23:17:29,695 INFO L902 garLoopResultBuilder]: At program point L1600-1(line 1600) the Hoare annotation is: true [2022-11-25 23:17:29,695 INFO L902 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: true [2022-11-25 23:17:29,696 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2022-11-25 23:17:29,696 INFO L902 garLoopResultBuilder]: At program point L1557(line 1557) the Hoare annotation is: true [2022-11-25 23:17:29,696 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 1551 1559) no Hoare annotation was computed. [2022-11-25 23:17:29,696 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-25 23:17:29,696 INFO L899 garLoopResultBuilder]: For program point L1555-1(line 1555) no Hoare annotation was computed. [2022-11-25 23:17:29,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-11-25 23:17:29,697 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1573) no Hoare annotation was computed. [2022-11-25 23:17:29,697 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:17:29,697 INFO L902 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: true [2022-11-25 23:17:29,697 INFO L899 garLoopResultBuilder]: For program point L1579-1(lines 1568 1581) no Hoare annotation was computed. [2022-11-25 23:17:29,697 INFO L902 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: true [2022-11-25 23:17:29,698 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-25 23:17:29,698 INFO L899 garLoopResultBuilder]: For program point L1573-1(line 1573) no Hoare annotation was computed. [2022-11-25 23:17:29,698 INFO L899 garLoopResultBuilder]: For program point L1571(lines 1571 1580) no Hoare annotation was computed. [2022-11-25 23:17:29,702 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 23:17:29,704 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:17:29,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:17:29 BoogieIcfgContainer [2022-11-25 23:17:29,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:17:29,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:17:29,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:17:29,715 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:17:29,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:17:28" (3/4) ... [2022-11-25 23:17:29,719 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:17:29,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:17:29,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:17:29,730 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-25 23:17:29,731 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 23:17:29,731 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:17:29,731 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:17:29,772 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:17:29,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:17:29,773 INFO L158 Benchmark]: Toolchain (without parser) took 3342.45ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 64.5MB in the end (delta: 46.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-25 23:17:29,773 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 97.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:17:29,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1534.64ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 91.0MB in the end (delta: 19.7MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-11-25 23:17:29,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.70ms. Allocated memory is still 155.2MB. Free memory was 91.0MB in the beginning and 88.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:17:29,774 INFO L158 Benchmark]: Boogie Preprocessor took 28.27ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:17:29,775 INFO L158 Benchmark]: RCFGBuilder took 526.70ms. Allocated memory is still 155.2MB. Free memory was 85.9MB in the beginning and 70.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:17:29,775 INFO L158 Benchmark]: TraceAbstraction took 1102.80ms. Allocated memory is still 155.2MB. Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2022-11-25 23:17:29,775 INFO L158 Benchmark]: Witness Printer took 57.54ms. Allocated memory is still 155.2MB. Free memory was 67.7MB in the beginning and 64.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:17:29,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 97.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1534.64ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 91.0MB in the end (delta: 19.7MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.70ms. Allocated memory is still 155.2MB. Free memory was 91.0MB in the beginning and 88.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.27ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.70ms. Allocated memory is still 155.2MB. Free memory was 85.9MB in the beginning and 70.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1102.80ms. Allocated memory is still 155.2MB. Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 57.54ms. Allocated memory is still 155.2MB. Free memory was 67.7MB in the beginning and 64.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 32 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 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, 8 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 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: 1600]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 23:17:29,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae21344e-63ae-49a2-90a7-e85bd1482209/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE