./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_68_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_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/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_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_68_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/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_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/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 54e06d5a3f81204e87dd702a2ac3a817d31ac8481b85e817a3fd7bc1039fcdec --- 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 12:25:10,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:25:10,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:25:10,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:25:10,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:25:10,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:25:10,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:25:10,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:25:10,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:25:10,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:25:10,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:25:10,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:25:10,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:25:10,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:25:10,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:25:10,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:25:10,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:25:10,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:25:10,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:25:10,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:25:10,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:25:10,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:25:10,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:25:10,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:25:10,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:25:10,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:25:10,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:25:10,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:25:10,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:25:10,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:25:10,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:25:10,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:25:10,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:25:10,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:25:10,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:25:10,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:25:10,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:25:10,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:25:10,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:25:10,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:25:10,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:25:10,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 12:25:11,003 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:25:11,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:25:11,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:25:11,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:25:11,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:25:11,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:25:11,004 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:25:11,005 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:25:11,005 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:25:11,005 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:25:11,005 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:25:11,005 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:25:11,005 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:25:11,005 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:25:11,005 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:25:11,005 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:25:11,006 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:25:11,006 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:25:11,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:25:11,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:25:11,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:25:11,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:25:11,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:25:11,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:25:11,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:25:11,007 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:25:11,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:25:11,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:25:11,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:25:11,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:25:11,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:25:11,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:25:11,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:25:11,008 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:25:11,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:25:11,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:25:11,008 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:25:11,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:25:11,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:25:11,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:25:11,009 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_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54e06d5a3f81204e87dd702a2ac3a817d31ac8481b85e817a3fd7bc1039fcdec [2022-12-14 12:25:11,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:25:11,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:25:11,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:25:11,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:25:11,191 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:25:11,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_68_good.i [2022-12-14 12:25:13,787 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:25:14,020 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:25:14,020 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_68_good.i [2022-12-14 12:25:14,033 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/data/874c4976b/868fbeb6262047b8977d64a8cac05912/FLAGc6f029605 [2022-12-14 12:25:14,043 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/data/874c4976b/868fbeb6262047b8977d64a8cac05912 [2022-12-14 12:25:14,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:25:14,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:25:14,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:25:14,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:25:14,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:25:14,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5518c594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14, skipping insertion in model container [2022-12-14 12:25:14,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:25:14,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:25:14,328 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:25:14,612 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:25:14,616 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:25:14,618 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:25:14,619 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:25:14,620 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:25:14,637 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 12:25:14,641 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:25:14,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:25:14,652 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:25:14,664 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:25:14,692 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:25:14,694 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:25:14,694 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:25:14,696 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:25:14,696 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:25:14,699 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 12:25:14,712 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:25:14,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:25:14,840 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:25:14,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14 WrapperNode [2022-12-14 12:25:14,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:25:14,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:25:14,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:25:14,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:25:14,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,890 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 69 [2022-12-14 12:25:14,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:25:14,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:25:14,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:25:14,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:25:14,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,911 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:25:14,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:25:14,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:25:14,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:25:14,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (1/1) ... [2022-12-14 12:25:14,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:25:14,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:25:14,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:25:14,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:25:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 12:25:14,977 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 12:25:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 12:25:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:25:14,977 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:25:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:25:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 12:25:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:25:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:25:14,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:25:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:25:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:25:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:25:15,087 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:25:15,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:25:15,204 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:25:15,227 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:25:15,227 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:25:15,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:25:15 BoogieIcfgContainer [2022-12-14 12:25:15,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:25:15,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:25:15,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:25:15,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:25:15,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:25:14" (1/3) ... [2022-12-14 12:25:15,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec4827f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:25:15, skipping insertion in model container [2022-12-14 12:25:15,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:25:14" (2/3) ... [2022-12-14 12:25:15,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec4827f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:25:15, skipping insertion in model container [2022-12-14 12:25:15,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:25:15" (3/3) ... [2022-12-14 12:25:15,235 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_68_good.i [2022-12-14 12:25:15,249 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:25:15,249 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 12:25:15,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:25:15,292 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;@1c548b99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:25:15,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 12:25:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 20 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 12:25:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 12:25:15,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:25:15,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 12:25:15,302 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 12:25:15,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:25:15,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1322636131, now seen corresponding path program 1 times [2022-12-14 12:25:15,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:25:15,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130042264] [2022-12-14 12:25:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:25:15,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:25:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:25:15,498 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 12:25:15,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:25:15,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130042264] [2022-12-14 12:25:15,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130042264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:25:15,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:25:15,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:25:15,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098249621] [2022-12-14 12:25:15,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:25:15,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:25:15,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:25:15,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:25:15,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:15,528 INFO L87 Difference]: Start difference. First operand has 27 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 20 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:25:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:25:15,562 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2022-12-14 12:25:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:25:15,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-12-14 12:25:15,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:25:15,568 INFO L225 Difference]: With dead ends: 27 [2022-12-14 12:25:15,569 INFO L226 Difference]: Without dead ends: 19 [2022-12-14 12:25:15,570 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 12:25:15,573 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:25:15,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 29 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:25:15,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-14 12:25:15,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-14 12:25:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 14 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 12:25:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2022-12-14 12:25:15,600 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 6 [2022-12-14 12:25:15,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:25:15,601 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-12-14 12:25:15,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:25:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-12-14 12:25:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 12:25:15,603 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:25:15,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:25:15,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:25:15,603 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 12:25:15,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:25:15,604 INFO L85 PathProgramCache]: Analyzing trace with hash -970925330, now seen corresponding path program 1 times [2022-12-14 12:25:15,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:25:15,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021955888] [2022-12-14 12:25:15,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:25:15,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:25:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:25:15,704 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 12:25:15,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:25:15,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021955888] [2022-12-14 12:25:15,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021955888] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:25:15,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:25:15,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:25:15,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764223253] [2022-12-14 12:25:15,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:25:15,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:25:15,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:25:15,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:25:15,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:25:15,708 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 12:25:15,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:25:15,736 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-14 12:25:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:25:15,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 15 [2022-12-14 12:25:15,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:25:15,737 INFO L225 Difference]: With dead ends: 19 [2022-12-14 12:25:15,737 INFO L226 Difference]: Without dead ends: 18 [2022-12-14 12:25:15,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:25:15,739 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30 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 [2022-12-14 12:25:15,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:25:15,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-14 12:25:15,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-14 12:25:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.0833333333333333) 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), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 12:25:15,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-12-14 12:25:15,744 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 15 [2022-12-14 12:25:15,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:25:15,744 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-12-14 12:25:15,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 12:25:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-14 12:25:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 12:25:15,745 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:25:15,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:25:15,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:25:15,746 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 12:25:15,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:25:15,747 INFO L85 PathProgramCache]: Analyzing trace with hash -33914090, now seen corresponding path program 1 times [2022-12-14 12:25:15,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:25:15,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666397333] [2022-12-14 12:25:15,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:25:15,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:25:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:25:15,797 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 12:25:15,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:25:15,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666397333] [2022-12-14 12:25:15,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666397333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:25:15,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:25:15,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:25:15,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820949645] [2022-12-14 12:25:15,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:25:15,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:25:15,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:25:15,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:25:15,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:15,799 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12:25:15,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:25:15,813 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-12-14 12:25:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:25:15,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 16 [2022-12-14 12:25:15,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:25:15,814 INFO L225 Difference]: With dead ends: 18 [2022-12-14 12:25:15,814 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 12:25:15,815 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 12:25:15,816 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:25:15,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:25:15,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 12:25:15,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 12:25:15,818 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 12:25:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 12:25:15,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-12-14 12:25:15,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:25:15,818 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 12:25:15,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12:25:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 12:25:15,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 12:25:15,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-14 12:25:15,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-14 12:25:15,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-14 12:25:15,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-14 12:25:15,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:25:15,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 12:25:15,849 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 12:25:15,849 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 12:25:15,850 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 12:25:15,850 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 12:25:15,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2022-12-14 12:25:15,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 12:25:15,850 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_add_68b_goodG2BSink_~data~2#1|) [2022-12-14 12:25:15,850 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1595 1602) no Hoare annotation was computed. [2022-12-14 12:25:15,851 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1574) no Hoare annotation was computed. [2022-12-14 12:25:15,851 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed. [2022-12-14 12:25:15,851 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_add_68b_goodG2BSink_~data~2#1|) [2022-12-14 12:25:15,851 INFO L899 garLoopResultBuilder]: For program point L1613-1(lines 1603 1615) no Hoare annotation was computed. [2022-12-14 12:25:15,851 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 12:25:15,851 INFO L895 garLoopResultBuilder]: At program point L1609(line 1609) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_add_68b_goodG2BSink_~data~2#1|) [2022-12-14 12:25:15,852 INFO L899 garLoopResultBuilder]: For program point L1599(line 1599) no Hoare annotation was computed. [2022-12-14 12:25:15,852 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2022-12-14 12:25:15,852 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2022-12-14 12:25:15,852 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed. [2022-12-14 12:25:15,852 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_add_68b_goodG2BSink_~data~2#1|) [2022-12-14 12:25:15,852 INFO L895 garLoopResultBuilder]: At program point L1589-1(line 1589) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_add_68b_goodG2BSink_~data~2#1|) [2022-12-14 12:25:15,852 INFO L902 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: true [2022-12-14 12:25:15,852 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-12-14 12:25:15,853 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2022-12-14 12:25:15,853 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-12-14 12:25:15,853 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1614) no Hoare annotation was computed. [2022-12-14 12:25:15,853 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_add_68b_goodG2BSink_~data~2#1|)) [2022-12-14 12:25:15,853 INFO L899 garLoopResultBuilder]: For program point L1573-1(lines 1567 1574) no Hoare annotation was computed. [2022-12-14 12:25:15,856 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 12:25:15,858 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:25:15,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:25:15 BoogieIcfgContainer [2022-12-14 12:25:15,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:25:15,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:25:15,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:25:15,868 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:25:15,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:25:15" (3/4) ... [2022-12-14 12:25:15,871 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 12:25:15,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 12:25:15,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 12:25:15,877 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 12:25:15,877 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 12:25:15,878 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 12:25:15,878 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 12:25:15,902 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:25:15,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:25:15,902 INFO L158 Benchmark]: Toolchain (without parser) took 1856.29ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 75.5MB in the beginning and 95.8MB in the end (delta: -20.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-12-14 12:25:15,903 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:25:15,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.04ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 75.2MB in the beginning and 71.0MB in the end (delta: 4.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2022-12-14 12:25:15,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.49ms. Allocated memory is still 136.3MB. Free memory was 71.0MB in the beginning and 68.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:25:15,903 INFO L158 Benchmark]: Boogie Preprocessor took 24.51ms. Allocated memory is still 136.3MB. Free memory was 68.1MB in the beginning and 66.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:25:15,903 INFO L158 Benchmark]: RCFGBuilder took 313.03ms. Allocated memory is still 136.3MB. Free memory was 66.1MB in the beginning and 97.0MB in the end (delta: -31.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-12-14 12:25:15,904 INFO L158 Benchmark]: TraceAbstraction took 637.18ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 98.0MB in the end (delta: -935.7kB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-12-14 12:25:15,904 INFO L158 Benchmark]: Witness Printer took 33.99ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:25:15,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.04ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 75.2MB in the beginning and 71.0MB in the end (delta: 4.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.49ms. Allocated memory is still 136.3MB. Free memory was 71.0MB in the beginning and 68.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.51ms. Allocated memory is still 136.3MB. Free memory was 68.1MB in the beginning and 66.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.03ms. Allocated memory is still 136.3MB. Free memory was 66.1MB in the beginning and 97.0MB in the end (delta: -31.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 637.18ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 98.0MB in the end (delta: -935.7kB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 33.99ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 95.8MB in the end (delta: 2.1MB). 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: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: 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, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 46 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 9 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 27 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 2 == data RESULT: Ultimate proved your program to be correct! [2022-12-14 12:25:15,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3368e3-2a58-4b92-9fb3-f6ace23e940e/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