./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh --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 cca73b0f2d7d28c4f7c129bd2c71b887db9cb38447969ac3c0a6cb40ced33781 --- 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-2329fc7 [2022-12-14 16:13:54,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:13:54,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:13:54,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:13:54,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:13:54,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:13:54,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:13:54,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:13:54,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:13:54,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:13:54,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:13:54,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:13:54,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:13:54,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:13:54,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:13:54,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:13:54,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:13:54,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:13:54,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:13:54,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:13:54,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:13:54,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:13:54,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:13:54,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:13:54,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:13:54,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:13:54,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:13:54,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:13:54,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:13:54,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:13:54,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:13:54,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:13:54,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:13:54,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:13:54,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:13:54,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:13:54,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:13:54,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:13:54,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:13:54,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:13:54,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:13:54,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 16:13:54,685 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:13:54,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:13:54,686 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:13:54,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:13:54,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:13:54,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:13:54,686 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:13:54,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:13:54,687 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:13:54,687 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:13:54,687 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:13:54,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:13:54,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:13:54,687 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:13:54,687 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:13:54,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:13:54,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:13:54,688 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:13:54,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:13:54,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:13:54,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:13:54,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:13:54,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:13:54,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:13:54,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:13:54,689 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:13:54,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:13:54,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:13:54,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:13:54,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:13:54,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:13:54,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:13:54,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:13:54,691 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:13:54,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:13:54,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:13:54,691 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:13:54,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:13:54,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:13:54,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:13:54,692 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_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cca73b0f2d7d28c4f7c129bd2c71b887db9cb38447969ac3c0a6cb40ced33781 [2022-12-14 16:13:54,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:13:54,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:13:54,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:13:54,893 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:13:54,893 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:13:54,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_good.i [2022-12-14 16:13:57,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:13:57,701 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:13:57,701 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_good.i [2022-12-14 16:13:57,714 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/data/151ab5cca/c8003628a88a413eb296a78c2d402c66/FLAG58accf5de [2022-12-14 16:13:57,725 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/data/151ab5cca/c8003628a88a413eb296a78c2d402c66 [2022-12-14 16:13:57,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:13:57,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:13:57,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:13:57,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:13:57,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:13:57,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:13:57" (1/1) ... [2022-12-14 16:13:57,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ecfe11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:57, skipping insertion in model container [2022-12-14 16:13:57,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:13:57" (1/1) ... [2022-12-14 16:13:57,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:13:57,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:13:57,995 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 16:13:58,287 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 16:13:58,291 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:13:58,293 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:13:58,294 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:13:58,295 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:13:58,318 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 16:13:58,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:13:58,326 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:13:58,339 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 16:13:58,369 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 16:13:58,370 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:13:58,371 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:13:58,373 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:13:58,373 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:13:58,377 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 16:13:58,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:13:58,468 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:13:58,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58 WrapperNode [2022-12-14 16:13:58,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:13:58,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:13:58,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:13:58,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:13:58,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,503 INFO L138 Inliner]: procedures = 503, calls = 66, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 56 [2022-12-14 16:13:58,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:13:58,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:13:58,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:13:58,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:13:58,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,518 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:13:58,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:13:58,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:13:58,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:13:58,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (1/1) ... [2022-12-14 16:13:58,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:13:58,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:13:58,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:13:58,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:13:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 16:13:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 16:13:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 16:13:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 16:13:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:13:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:13:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:13:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:13:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:13:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:13:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 16:13:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:13:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:13:58,672 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:13:58,674 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:13:58,767 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:13:58,794 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:13:58,794 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 16:13:58,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:13:58 BoogieIcfgContainer [2022-12-14 16:13:58,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:13:58,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:13:58,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:13:58,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:13:58,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:13:57" (1/3) ... [2022-12-14 16:13:58,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2783e3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:13:58, skipping insertion in model container [2022-12-14 16:13:58,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:13:58" (2/3) ... [2022-12-14 16:13:58,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2783e3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:13:58, skipping insertion in model container [2022-12-14 16:13:58,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:13:58" (3/3) ... [2022-12-14 16:13:58,805 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_41_good.i [2022-12-14 16:13:58,821 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:13:58,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 16:13:58,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:13:58,870 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;@5bdb83a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:13:58,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 16:13:58,874 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) [2022-12-14 16:13:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:13:58,881 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:13:58,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:13:58,882 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)] === [2022-12-14 16:13:58,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:13:58,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1424344015, now seen corresponding path program 1 times [2022-12-14 16:13:58,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:13:58,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398122839] [2022-12-14 16:13:58,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:13:58,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:13:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:13:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:13:59,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:13:59,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398122839] [2022-12-14 16:13:59,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398122839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:13:59,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:13:59,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:13:59,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520173082] [2022-12-14 16:13:59,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:13:59,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:13:59,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:13:59,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:13:59,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:13:59,109 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 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 16:13:59,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:13:59,154 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-12-14 16:13:59,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:13:59,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 7 [2022-12-14 16:13:59,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:13:59,160 INFO L225 Difference]: With dead ends: 34 [2022-12-14 16:13:59,160 INFO L226 Difference]: Without dead ends: 23 [2022-12-14 16:13:59,162 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 [2022-12-14 16:13:59,164 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:13:59,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 32 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:13:59,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-14 16:13:59,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2022-12-14 16:13:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 16:13:59,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-12-14 16:13:59,188 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 7 [2022-12-14 16:13:59,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:13:59,189 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-12-14 16:13:59,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 16:13:59,189 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-14 16:13:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:13:59,190 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:13:59,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:13:59,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:13:59,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 16:13:59,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:13:59,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1204991556, now seen corresponding path program 1 times [2022-12-14 16:13:59,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:13:59,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611464192] [2022-12-14 16:13:59,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:13:59,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:13:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:13:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:13:59,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:13:59,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611464192] [2022-12-14 16:13:59,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611464192] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:13:59,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:13:59,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:13:59,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837428751] [2022-12-14 16:13:59,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:13:59,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:13:59,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:13:59,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:13:59,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:13:59,332 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 16:13:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:13:59,345 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-12-14 16:13:59,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:13:59,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2022-12-14 16:13:59,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:13:59,346 INFO L225 Difference]: With dead ends: 18 [2022-12-14 16:13:59,346 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 16:13:59,347 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 [2022-12-14 16:13:59,348 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:13:59,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:13:59,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 16:13:59,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-14 16:13:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 16:13:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-12-14 16:13:59,351 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 8 [2022-12-14 16:13:59,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:13:59,351 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-12-14 16:13:59,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 16:13:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-14 16:13:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:13:59,352 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:13:59,352 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:13:59,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:13:59,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 16:13:59,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:13:59,353 INFO L85 PathProgramCache]: Analyzing trace with hash 797209532, now seen corresponding path program 1 times [2022-12-14 16:13:59,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:13:59,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450004927] [2022-12-14 16:13:59,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:13:59,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:13:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:13:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:13:59,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:13:59,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450004927] [2022-12-14 16:13:59,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450004927] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:13:59,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:13:59,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:13:59,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63478275] [2022-12-14 16:13:59,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:13:59,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:13:59,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:13:59,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:13:59,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:13:59,408 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 16:13:59,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:13:59,419 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-12-14 16:13:59,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:13:59,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 11 [2022-12-14 16:13:59,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:13:59,420 INFO L225 Difference]: With dead ends: 17 [2022-12-14 16:13:59,421 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 16:13:59,421 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 [2022-12-14 16:13:59,422 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22 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 [2022-12-14 16:13:59,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:13:59,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 16:13:59,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 16:13:59,425 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), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 16:13:59,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-14 16:13:59,425 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-14 16:13:59,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:13:59,425 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-14 16:13:59,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 16:13:59,425 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-14 16:13:59,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:13:59,426 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:13:59,426 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:13:59,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 16:13:59,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 16:13:59,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:13:59,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1056308221, now seen corresponding path program 1 times [2022-12-14 16:13:59,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:13:59,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713348047] [2022-12-14 16:13:59,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:13:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:13:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:13:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:13:59,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:13:59,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713348047] [2022-12-14 16:13:59,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713348047] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:13:59,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:13:59,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:13:59,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276887735] [2022-12-14 16:13:59,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:13:59,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:13:59,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:13:59,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:13:59,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:13:59,476 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-14 16:13:59,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:13:59,486 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-12-14 16:13:59,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:13:59,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 12 [2022-12-14 16:13:59,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:13:59,486 INFO L225 Difference]: With dead ends: 16 [2022-12-14 16:13:59,487 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 16:13:59,487 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 [2022-12-14 16:13:59,488 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:13:59,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:13:59,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 16:13:59,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 16:13:59,490 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) [2022-12-14 16:13:59,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 16:13:59,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-12-14 16:13:59,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:13:59,491 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 16:13:59,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-14 16:13:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 16:13:59,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:13:59,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-14 16:13:59,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-14 16:13:59,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-14 16:13:59,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-14 16:13:59,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 16:13:59,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 16:13:59,514 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 16:13:59,514 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 16:13:59,514 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 16:13:59,514 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 16:13:59,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-12-14 16:13:59,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 16:13:59,515 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2GSink_~data#1| 2147483647) (not (<= (+ |ULTIMATE.start_goodB2GSink_~data#1| 2147483648) 0))) [2022-12-14 16:13:59,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-12-14 16:13:59,515 INFO L899 garLoopResultBuilder]: For program point L1551(line 1551) no Hoare annotation was computed. [2022-12-14 16:13:59,515 INFO L899 garLoopResultBuilder]: For program point L1551-1(line 1551) no Hoare annotation was computed. [2022-12-14 16:13:59,515 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 16:13:59,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-12-14 16:13:59,515 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-12-14 16:13:59,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-12-14 16:13:59,516 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-12-14 16:13:59,516 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2022-12-14 16:13:59,516 INFO L902 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: true [2022-12-14 16:13:59,516 INFO L902 garLoopResultBuilder]: At program point L1591-1(line 1591) the Hoare annotation is: true [2022-12-14 16:13:59,516 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-12-14 16:13:59,516 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-12-14 16:13:59,516 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2022-12-14 16:13:59,517 INFO L899 garLoopResultBuilder]: For program point L1552-1(lines 1548 1554) no Hoare annotation was computed. [2022-12-14 16:13:59,517 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (<= |ULTIMATE.start_goodB2GSink_~data#1| 2147483647) [2022-12-14 16:13:59,517 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1562 1573) no Hoare annotation was computed. [2022-12-14 16:13:59,520 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 16:13:59,522 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 16:13:59,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:13:59 BoogieIcfgContainer [2022-12-14 16:13:59,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 16:13:59,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:13:59,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:13:59,531 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:13:59,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:13:58" (3/4) ... [2022-12-14 16:13:59,534 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:13:59,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 16:13:59,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 16:13:59,543 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 16:13:59,543 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 16:13:59,543 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 16:13:59,543 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:13:59,568 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 16:13:59,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:13:59,569 INFO L158 Benchmark]: Toolchain (without parser) took 1841.05ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 83.6MB in the beginning and 45.8MB in the end (delta: 37.8MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2022-12-14 16:13:59,569 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:13:59,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.19ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 83.6MB in the beginning and 81.5MB in the end (delta: 2.1MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2022-12-14 16:13:59,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.59ms. Allocated memory is still 146.8MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:13:59,570 INFO L158 Benchmark]: Boogie Preprocessor took 16.68ms. Allocated memory is still 146.8MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:13:59,570 INFO L158 Benchmark]: RCFGBuilder took 275.72ms. Allocated memory is still 146.8MB. Free memory was 77.3MB in the beginning and 62.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 16:13:59,570 INFO L158 Benchmark]: TraceAbstraction took 730.60ms. Allocated memory is still 146.8MB. Free memory was 61.7MB in the beginning and 48.9MB in the end (delta: 12.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-12-14 16:13:59,570 INFO L158 Benchmark]: Witness Printer took 38.11ms. Allocated memory is still 146.8MB. Free memory was 48.9MB in the beginning and 45.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 16:13:59,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 740.19ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 83.6MB in the beginning and 81.5MB in the end (delta: 2.1MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.59ms. Allocated memory is still 146.8MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.68ms. Allocated memory is still 146.8MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.72ms. Allocated memory is still 146.8MB. Free memory was 77.3MB in the beginning and 62.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 730.60ms. Allocated memory is still 146.8MB. Free memory was 61.7MB in the beginning and 48.9MB in the end (delta: 12.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 38.11ms. Allocated memory is still 146.8MB. Free memory was 48.9MB in the beginning and 45.8MB 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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: 0.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 51 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 13 PreInvPairs, 16 NumberOfFragments, 19 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 16:13:59,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02273ddf-0e38-424a-9e61-4f49d93f8505/bin/utaipan-gh47qXpMRh/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