./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_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_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/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_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/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_6f6dbfbe-5bca-48e4-8842-87f83986a761/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 b26a912a21f10e5a147b2121e392f668164906cb54c51fd8d9529789979ced4d --- 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 23:30:44,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:30:44,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:30:44,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:30:44,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:30:44,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:30:44,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:30:44,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:30:44,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:30:44,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:30:44,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:30:44,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:30:44,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:30:44,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:30:44,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:30:44,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:30:44,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:30:44,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:30:44,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:30:44,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:30:44,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:30:44,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:30:44,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:30:44,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:30:44,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:30:44,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:30:44,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:30:44,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:30:44,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:30:44,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:30:44,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:30:44,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:30:44,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:30:44,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:30:44,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:30:44,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:30:44,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:30:44,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:30:44,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:30:44,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:30:44,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:30:44,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:30:44,616 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:30:44,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:30:44,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:30:44,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:30:44,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:30:44,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:30:44,619 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:30:44,619 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:30:44,620 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:30:44,620 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:30:44,621 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:30:44,622 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:30:44,622 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:30:44,622 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:30:44,622 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:30:44,623 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:30:44,623 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:30:44,623 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:30:44,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:30:44,625 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:30:44,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:30:44,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:30:44,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:30:44,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:30:44,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:30:44,626 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:30:44,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:30:44,627 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:30:44,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:30:44,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:30:44,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:30:44,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:30:44,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:30:44,628 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:30:44,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:30:44,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:30:44,629 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:30:44,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:30:44,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:30:44,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:30:44,630 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_6f6dbfbe-5bca-48e4-8842-87f83986a761/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26a912a21f10e5a147b2121e392f668164906cb54c51fd8d9529789979ced4d [2022-11-25 23:30:44,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:30:44,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:30:44,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:30:44,972 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:30:44,973 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:30:44,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_good.i [2022-11-25 23:30:48,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:30:48,572 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:30:48,573 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_good.i [2022-11-25 23:30:48,603 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/data/a69f3fde1/46b4c48d848d499f92f5910cd2e12c4f/FLAGb8685425d [2022-11-25 23:30:48,625 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/data/a69f3fde1/46b4c48d848d499f92f5910cd2e12c4f [2022-11-25 23:30:48,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:30:48,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:30:48,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:30:48,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:30:48,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:30:48,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:30:48" (1/1) ... [2022-11-25 23:30:48,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f4a892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:48, skipping insertion in model container [2022-11-25 23:30:48,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:30:48" (1/1) ... [2022-11-25 23:30:48,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:30:48,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:30:49,155 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:30:49,527 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:30:49,533 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:30:49,540 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:30:49,542 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:30:49,543 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:30:49,572 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:30:49,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:30:49,582 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:30:49,601 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:30:49,648 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:30:49,649 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:30:49,650 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:30:49,653 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:30:49,653 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:30:49,661 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:30:49,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:30:49,775 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:30:49,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49 WrapperNode [2022-11-25 23:30:49,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:30:49,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:30:49,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:30:49,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:30:49,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,830 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 74 [2022-11-25 23:30:49,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:30:49,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:30:49,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:30:49,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:30:49,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,852 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:30:49,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:30:49,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:30:49,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:30:49,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (1/1) ... [2022-11-25 23:30:49,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:30:49,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:30:49,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:30:49,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:30:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:30:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:30:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:30:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:30:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:30:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:30:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:30:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:30:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:30:50,086 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:30:50,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:30:50,270 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:30:50,384 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:30:50,398 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:30:50,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:30:50 BoogieIcfgContainer [2022-11-25 23:30:50,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:30:50,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:30:50,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:30:50,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:30:50,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:30:48" (1/3) ... [2022-11-25 23:30:50,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57606d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:30:50, skipping insertion in model container [2022-11-25 23:30:50,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:49" (2/3) ... [2022-11-25 23:30:50,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57606d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:30:50, skipping insertion in model container [2022-11-25 23:30:50,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:30:50" (3/3) ... [2022-11-25 23:30:50,421 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_41_good.i [2022-11-25 23:30:50,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:30:50,442 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 23:30:50,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:30:50,512 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;@379686c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:30:50,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 23:30:50,518 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 23:30:50,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:30:50,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:50,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:50,527 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 23:30:50,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:50,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1630664725, now seen corresponding path program 1 times [2022-11-25 23:30:50,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:50,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323773490] [2022-11-25 23:30:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:50,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:51,168 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 23:30:51,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:51,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323773490] [2022-11-25 23:30:51,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323773490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:30:51,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:30:51,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:30:51,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569725077] [2022-11-25 23:30:51,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:30:51,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:30:51,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:51,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:30:51,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:30:51,228 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) [2022-11-25 23:30:51,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:51,318 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-25 23:30:51,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:30:51,321 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 [2022-11-25 23:30:51,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:51,328 INFO L225 Difference]: With dead ends: 24 [2022-11-25 23:30:51,329 INFO L226 Difference]: Without dead ends: 18 [2022-11-25 23:30:51,332 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 23:30:51,336 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20 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 23:30:51,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:30:51,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-25 23:30:51,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-25 23:30:51,377 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) [2022-11-25 23:30:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-11-25 23:30:51,380 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 7 [2022-11-25 23:30:51,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:51,384 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-11-25 23:30:51,385 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) [2022-11-25 23:30:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-25 23:30:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:30:51,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:51,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:51,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:30:51,388 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)] === [2022-11-25 23:30:51,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:51,390 INFO L85 PathProgramCache]: Analyzing trace with hash 989001135, now seen corresponding path program 1 times [2022-11-25 23:30:51,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:51,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548646506] [2022-11-25 23:30:51,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:51,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:51,488 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 23:30:51,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:51,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548646506] [2022-11-25 23:30:51,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548646506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:30:51,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:30:51,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:30:51,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720326055] [2022-11-25 23:30:51,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:30:51,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:30:51,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:51,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:30:51,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:30:51,493 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) [2022-11-25 23:30:51,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:51,517 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-25 23:30:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:30:51,518 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 [2022-11-25 23:30:51,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:51,519 INFO L225 Difference]: With dead ends: 18 [2022-11-25 23:30:51,519 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 23:30:51,520 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 23:30:51,521 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:51,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:30:51,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 23:30:51,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 23:30:51,526 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) [2022-11-25 23:30:51,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-11-25 23:30:51,527 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 8 [2022-11-25 23:30:51,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:51,528 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-25 23:30:51,528 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) [2022-11-25 23:30:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-11-25 23:30:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:30:51,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:51,530 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:51,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:30:51,530 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)] === [2022-11-25 23:30:51,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:51,550 INFO L85 PathProgramCache]: Analyzing trace with hash 87683222, now seen corresponding path program 1 times [2022-11-25 23:30:51,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:51,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582804123] [2022-11-25 23:30:51,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:51,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:30:51,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:51,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582804123] [2022-11-25 23:30:51,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582804123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:30:51,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:30:51,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:30:51,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766934660] [2022-11-25 23:30:51,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:30:51,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:30:51,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:51,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:30:51,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:30:51,653 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) [2022-11-25 23:30:51,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:51,672 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-11-25 23:30:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:30:51,673 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 [2022-11-25 23:30:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:51,673 INFO L225 Difference]: With dead ends: 17 [2022-11-25 23:30:51,673 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:30:51,674 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 23:30:51,675 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:51,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:30:51,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:30:51,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:30:51,677 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 23:30:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:30:51,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-25 23:30:51,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:51,677 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:30:51,678 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) [2022-11-25 23:30:51,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:30:51,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:30:51,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 23:30:51,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 23:30:51,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 23:30:51,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 23:30:51,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:30:51,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:30:51,707 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:30:51,707 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:30:51,707 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:30:51,707 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:30:51,708 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-11-25 23:30:51,708 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2GSink_~data#1| 2147483648)) [2022-11-25 23:30:51,708 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:30:51,708 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-25 23:30:51,708 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-11-25 23:30:51,708 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2022-11-25 23:30:51,709 INFO L899 garLoopResultBuilder]: For program point L1565(lines 1565 1574) no Hoare annotation was computed. [2022-11-25 23:30:51,709 INFO L895 garLoopResultBuilder]: At program point L1553(line 1553) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2GSink_~data#1| 2147483648)) [2022-11-25 23:30:51,709 INFO L899 garLoopResultBuilder]: For program point L1553-1(lines 1548 1555) no Hoare annotation was computed. [2022-11-25 23:30:51,709 INFO L899 garLoopResultBuilder]: For program point L1551(line 1551) no Hoare annotation was computed. [2022-11-25 23:30:51,709 INFO L899 garLoopResultBuilder]: For program point L1551-1(line 1551) no Hoare annotation was computed. [2022-11-25 23:30:51,709 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-11-25 23:30:51,710 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-11-25 23:30:51,710 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:30:51,710 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2GSink_~data#1| 2147483648)) [2022-11-25 23:30:51,710 INFO L895 garLoopResultBuilder]: At program point L1593-1(line 1593) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2GSink_~data#1| 2147483648)) [2022-11-25 23:30:51,710 INFO L902 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: true [2022-11-25 23:30:51,711 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2022-11-25 23:30:51,711 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2GSink_~data#1| 2147483648)) [2022-11-25 23:30:51,711 INFO L899 garLoopResultBuilder]: For program point L1573-1(lines 1563 1575) no Hoare annotation was computed. [2022-11-25 23:30:51,715 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 23:30:51,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:30:51,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:30:51 BoogieIcfgContainer [2022-11-25 23:30:51,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:30:51,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:30:51,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:30:51,737 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:30:51,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:30:50" (3/4) ... [2022-11-25 23:30:51,740 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:30:51,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:30:51,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:30:51,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-25 23:30:51,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-25 23:30:51,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:30:51,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:30:51,791 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:30:51,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:30:51,792 INFO L158 Benchmark]: Toolchain (without parser) took 3161.82ms. Allocated memory is still 199.2MB. Free memory was 149.6MB in the beginning and 143.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-11-25 23:30:51,792 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:30:51,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1143.02ms. Allocated memory is still 199.2MB. Free memory was 149.6MB in the beginning and 159.9MB in the end (delta: -10.3MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-11-25 23:30:51,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.45ms. Allocated memory is still 199.2MB. Free memory was 159.9MB in the beginning and 156.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:30:51,793 INFO L158 Benchmark]: Boogie Preprocessor took 24.60ms. Allocated memory is still 199.2MB. Free memory was 156.6MB in the beginning and 154.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:30:51,794 INFO L158 Benchmark]: RCFGBuilder took 545.01ms. Allocated memory is still 199.2MB. Free memory was 154.5MB in the beginning and 135.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 23:30:51,794 INFO L158 Benchmark]: TraceAbstraction took 1328.60ms. Allocated memory is still 199.2MB. Free memory was 134.8MB in the beginning and 146.6MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:30:51,794 INFO L158 Benchmark]: Witness Printer took 55.29ms. Allocated memory is still 199.2MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:30:51,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1143.02ms. Allocated memory is still 199.2MB. Free memory was 149.6MB in the beginning and 159.9MB in the end (delta: -10.3MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.45ms. Allocated memory is still 199.2MB. Free memory was 159.9MB in the beginning and 156.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.60ms. Allocated memory is still 199.2MB. Free memory was 156.6MB in the beginning and 154.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.01ms. Allocated memory is still 199.2MB. Free memory was 154.5MB in the beginning and 135.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1328.60ms. Allocated memory is still 199.2MB. Free memory was 134.8MB in the beginning and 146.6MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.29ms. Allocated memory is still 199.2MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: 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: 1.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 35 mSDtfsCounter, 39 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, 28 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 1593]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-11-25 23:30:51,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6dbfbe-5bca-48e4-8842-87f83986a761/bin/utaipan-ByfvJB40ur/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