./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_15_bad.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_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/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_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/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_ce19261b-3384-4afb-9f65-8599ff5fd679/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 dff7a34f126cebfd70209ee3091c1d26d4a312400d5536a6607b8d06fec542a2 --- 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 11:58:43,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:58:43,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:58:43,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:58:43,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:58:43,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:58:43,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:58:43,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:58:43,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:58:43,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:58:43,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:58:43,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:58:43,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:58:43,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:58:43,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:58:43,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:58:43,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:58:43,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:58:43,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:58:43,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:58:43,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:58:43,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:58:43,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:58:43,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:58:43,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:58:43,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:58:43,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:58:43,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:58:43,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:58:43,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:58:43,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:58:43,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:58:43,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:58:43,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:58:43,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:58:43,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:58:43,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:58:43,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:58:43,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:58:43,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:58:43,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:58:43,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 11:58:43,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:58:43,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:58:43,999 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:58:43,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:58:43,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:58:43,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:58:43,999 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:58:44,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:58:44,000 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:58:44,000 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:58:44,000 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:58:44,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:58:44,000 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:58:44,000 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:58:44,000 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:58:44,000 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:58:44,000 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:58:44,001 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:58:44,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:58:44,001 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:58:44,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:58:44,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:58:44,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:58:44,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:58:44,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:58:44,002 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 11:58:44,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:58:44,002 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:58:44,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:58:44,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:58:44,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:58:44,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:58:44,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:58:44,002 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:58:44,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:58:44,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:58:44,003 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:58:44,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:58:44,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:58:44,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:58:44,003 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_ce19261b-3384-4afb-9f65-8599ff5fd679/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dff7a34f126cebfd70209ee3091c1d26d4a312400d5536a6607b8d06fec542a2 [2022-12-14 11:58:44,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:58:44,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:58:44,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:58:44,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:58:44,198 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:58:44,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_15_bad.i [2022-12-14 11:58:46,819 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:58:47,073 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:58:47,074 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_15_bad.i [2022-12-14 11:58:47,090 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/data/9cf58604b/9721f663cfe94ab0811ba5dd95fc29be/FLAG20130fb59 [2022-12-14 11:58:47,100 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/data/9cf58604b/9721f663cfe94ab0811ba5dd95fc29be [2022-12-14 11:58:47,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:58:47,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:58:47,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:58:47,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:58:47,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:58:47,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:47,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2098e5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47, skipping insertion in model container [2022-12-14 11:58:47,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:47,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:58:47,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:58:47,360 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:58:47,683 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:58:47,687 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:58:47,689 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:58:47,690 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:58:47,691 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:58:47,712 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:58:47,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:58:47,721 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:58:47,738 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:58:47,780 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:58:47,782 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:58:47,783 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:58:47,785 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:58:47,786 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:58:47,792 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:58:47,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:58:47,930 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:58:47,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47 WrapperNode [2022-12-14 11:58:47,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:58:47,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:58:47,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:58:47,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:58:47,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:47,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:47,983 INFO L138 Inliner]: procedures = 499, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2022-12-14 11:58:47,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:58:47,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:58:47,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:58:47,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:58:47,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:47,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:47,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:47,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:47,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:48,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:48,001 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:48,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:48,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:58:48,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:58:48,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:58:48,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:58:48,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (1/1) ... [2022-12-14 11:58:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:58:48,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:58:48,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:58:48,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:58:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 11:58:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 11:58:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:58:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:58:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:58:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 11:58:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:58:48,174 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:58:48,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:58:48,305 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:58:48,353 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:58:48,353 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 11:58:48,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:48 BoogieIcfgContainer [2022-12-14 11:58:48,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:58:48,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:58:48,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:58:48,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:58:48,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:58:47" (1/3) ... [2022-12-14 11:58:48,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdf332b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:58:48, skipping insertion in model container [2022-12-14 11:58:48,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:47" (2/3) ... [2022-12-14 11:58:48,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdf332b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:58:48, skipping insertion in model container [2022-12-14 11:58:48,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:48" (3/3) ... [2022-12-14 11:58:48,363 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_15_bad.i [2022-12-14 11:58:48,379 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:58:48,379 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 11:58:48,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:58:48,419 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;@2c3931c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:58:48,419 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 11:58:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 11:58:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:58:48,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:58:48,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:58:48,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:58:48,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:58:48,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1068305250, now seen corresponding path program 1 times [2022-12-14 11:58:48,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:58:48,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596871545] [2022-12-14 11:58:48,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:58:48,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:58:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:58:48,768 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 11:58:48,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:58:48,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596871545] [2022-12-14 11:58:48,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596871545] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:58:48,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:58:48,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:58:48,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7426226] [2022-12-14 11:58:48,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:58:48,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:58:48,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:58:48,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:58:48,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:58:48,803 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (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 11:58:48,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:58:48,843 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions. [2022-12-14 11:58:48,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:58:48,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (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 9 [2022-12-14 11:58:48,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:58:48,852 INFO L225 Difference]: With dead ends: 20 [2022-12-14 11:58:48,852 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 11:58:48,854 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 11:58:48,857 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:58:48,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 22 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:58:48,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 11:58:48,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 11:58:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 11:58:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-12-14 11:58:48,890 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2022-12-14 11:58:48,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:58:48,892 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-12-14 11:58:48,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (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 11:58:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-12-14 11:58:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 11:58:48,893 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:58:48,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:58:48,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:58:48,893 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:58:48,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:58:48,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1242275687, now seen corresponding path program 1 times [2022-12-14 11:58:48,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:58:48,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604129171] [2022-12-14 11:58:48,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:58:48,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:58:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:58:48,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 11:58:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:58:48,990 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 11:58:48,990 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 11:58:48,991 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 11:58:48,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 11:58:48,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:58:48,996 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 11:58:48,999 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:58:49,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:58:49 BoogieIcfgContainer [2022-12-14 11:58:49,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:58:49,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:58:49,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:58:49,018 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:58:49,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:48" (3/4) ... [2022-12-14 11:58:49,021 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 11:58:49,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:58:49,022 INFO L158 Benchmark]: Toolchain (without parser) took 1918.59ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 65.4MB in the end (delta: 28.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-12-14 11:58:49,022 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:58:49,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.58ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 88.6MB in the end (delta: 4.8MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-12-14 11:58:49,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.28ms. Allocated memory is still 132.1MB. Free memory was 88.6MB in the beginning and 85.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:58:49,023 INFO L158 Benchmark]: Boogie Preprocessor took 20.62ms. Allocated memory is still 132.1MB. Free memory was 85.6MB in the beginning and 84.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:58:49,023 INFO L158 Benchmark]: RCFGBuilder took 351.26ms. Allocated memory is still 132.1MB. Free memory was 84.0MB in the beginning and 66.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 11:58:49,024 INFO L158 Benchmark]: TraceAbstraction took 660.28ms. Allocated memory is still 132.1MB. Free memory was 65.2MB in the beginning and 66.2MB in the end (delta: -1.0MB). Peak memory consumption was 296.6kB. Max. memory is 16.1GB. [2022-12-14 11:58:49,024 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 132.1MB. Free memory was 66.2MB in the beginning and 65.4MB in the end (delta: 777.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:58:49,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.58ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 88.6MB in the end (delta: 4.8MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.28ms. Allocated memory is still 132.1MB. Free memory was 88.6MB in the beginning and 85.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.62ms. Allocated memory is still 132.1MB. Free memory was 85.6MB in the beginning and 84.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.26ms. Allocated memory is still 132.1MB. Free memory was 84.0MB in the beginning and 66.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 660.28ms. Allocated memory is still 132.1MB. Free memory was 65.2MB in the beginning and 66.2MB in the end (delta: -1.0MB). Peak memory consumption was 296.6kB. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 132.1MB. Free memory was 66.2MB in the beginning and 65.4MB in the end (delta: 777.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_rand_preinc_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1563] case 7: VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 17 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 11:58:49,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/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_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/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 dff7a34f126cebfd70209ee3091c1d26d4a312400d5536a6607b8d06fec542a2 --- 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 11:58:50,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:58:50,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:58:50,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:58:50,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:58:50,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:58:50,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:58:50,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:58:50,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:58:50,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:58:50,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:58:50,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:58:50,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:58:50,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:58:50,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:58:50,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:58:50,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:58:50,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:58:50,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:58:50,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:58:50,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:58:50,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:58:50,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:58:50,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:58:50,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:58:50,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:58:50,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:58:50,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:58:50,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:58:50,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:58:50,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:58:50,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:58:50,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:58:50,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:58:50,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:58:50,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:58:50,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:58:50,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:58:50,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:58:50,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:58:50,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:58:50,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 11:58:50,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:58:50,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:58:50,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:58:50,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:58:50,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:58:50,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:58:50,998 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:58:50,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:58:50,999 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:58:50,999 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:58:50,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:58:50,999 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:58:51,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:58:51,000 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:58:51,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:58:51,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:58:51,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:58:51,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:58:51,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 11:58:51,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 11:58:51,001 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 11:58:51,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 11:58:51,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:58:51,002 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:58:51,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:58:51,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:58:51,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 11:58:51,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:58:51,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:58:51,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:58:51,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:58:51,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:58:51,008 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 11:58:51,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 11:58:51,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:58:51,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:58:51,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 11:58:51,009 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ce19261b-3384-4afb-9f65-8599ff5fd679/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dff7a34f126cebfd70209ee3091c1d26d4a312400d5536a6607b8d06fec542a2 [2022-12-14 11:58:51,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:58:51,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:58:51,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:58:51,265 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:58:51,265 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:58:51,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_15_bad.i [2022-12-14 11:58:53,868 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:58:54,109 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:58:54,110 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_15_bad.i [2022-12-14 11:58:54,128 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/data/769092c90/2ddcfb59f9914511aebc3aa8589436d4/FLAG3b0201ae6 [2022-12-14 11:58:54,139 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/data/769092c90/2ddcfb59f9914511aebc3aa8589436d4 [2022-12-14 11:58:54,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:58:54,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:58:54,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:58:54,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:58:54,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:58:54,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:54,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ececa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54, skipping insertion in model container [2022-12-14 11:58:54,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:54,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:58:54,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:58:54,465 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:58:54,783 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:58:54,788 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:58:54,789 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:58:54,791 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:58:54,792 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:58:54,814 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:58:54,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:58:54,829 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:58:54,846 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:58:54,898 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:58:54,899 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:58:54,900 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:58:54,902 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:58:54,903 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:58:54,908 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:58:54,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:58:54,998 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:58:54,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54 WrapperNode [2022-12-14 11:58:54,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:58:54,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:58:54,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:58:54,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:58:55,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,036 INFO L138 Inliner]: procedures = 504, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2022-12-14 11:58:55,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:58:55,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:58:55,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:58:55,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:58:55,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:58:55,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:58:55,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:58:55,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:58:55,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (1/1) ... [2022-12-14 11:58:55,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:58:55,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:58:55,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:58:55,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:58:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 11:58:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 11:58:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 11:58:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:58:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:58:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:58:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 11:58:55,232 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:58:55,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:58:55,370 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:58:55,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:58:55,376 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 11:58:55,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:55 BoogieIcfgContainer [2022-12-14 11:58:55,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:58:55,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:58:55,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:58:55,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:58:55,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:58:54" (1/3) ... [2022-12-14 11:58:55,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a94102f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:58:55, skipping insertion in model container [2022-12-14 11:58:55,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:54" (2/3) ... [2022-12-14 11:58:55,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a94102f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:58:55, skipping insertion in model container [2022-12-14 11:58:55,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:55" (3/3) ... [2022-12-14 11:58:55,387 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_15_bad.i [2022-12-14 11:58:55,402 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:58:55,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 11:58:55,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:58:55,441 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;@25b4ec30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:58:55,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 11:58:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 21 states have (on average 1.380952380952381) internal successors, (29), 25 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 11:58:55,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:58:55,450 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:58:55,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:58:55,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:58:55,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:58:55,455 INFO L85 PathProgramCache]: Analyzing trace with hash 56724319, now seen corresponding path program 1 times [2022-12-14 11:58:55,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 11:58:55,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663276110] [2022-12-14 11:58:55,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:58:55,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 11:58:55,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 11:58:55,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 11:58:55,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 11:58:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:58:55,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 11:58:55,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:58:55,574 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 11:58:55,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:58:55,575 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 11:58:55,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663276110] [2022-12-14 11:58:55,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663276110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:58:55,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:58:55,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 11:58:55,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305077262] [2022-12-14 11:58:55,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:58:55,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 11:58:55,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 11:58:55,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 11:58:55,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:58:55,611 INFO L87 Difference]: Start difference. First operand has 29 states, 21 states have (on average 1.380952380952381) internal successors, (29), 25 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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 11:58:55,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:58:55,629 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2022-12-14 11:58:55,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 11:58:55,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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 13 [2022-12-14 11:58:55,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:58:55,637 INFO L225 Difference]: With dead ends: 29 [2022-12-14 11:58:55,637 INFO L226 Difference]: Without dead ends: 18 [2022-12-14 11:58:55,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:58:55,644 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:58:55,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:58:55,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-14 11:58:55,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-14 11:58:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 11:58:55,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-12-14 11:58:55,676 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2022-12-14 11:58:55,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:58:55,677 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-12-14 11:58:55,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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 11:58:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-12-14 11:58:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:58:55,679 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:58:55,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:58:55,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:58:55,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 11:58:55,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:58:55,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:58:55,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1758453958, now seen corresponding path program 1 times [2022-12-14 11:58:55,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 11:58:55,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527018088] [2022-12-14 11:58:55,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:58:55,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 11:58:55,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 11:58:55,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 11:58:55,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 11:58:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:58:56,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 11:58:56,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:58:56,088 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 11:58:56,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:58:56,088 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 11:58:56,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527018088] [2022-12-14 11:58:56,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527018088] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:58:56,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:58:56,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:58:56,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401277647] [2022-12-14 11:58:56,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:58:56,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:58:56,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 11:58:56,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:58:56,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:58:56,092 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 11:58:56,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:58:56,099 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-12-14 11:58:56,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:58:56,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2022-12-14 11:58:56,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:58:56,100 INFO L225 Difference]: With dead ends: 27 [2022-12-14 11:58:56,100 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 11:58:56,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 11:58:56,101 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:58:56,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 27 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:58:56,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 11:58:56,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 11:58:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 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 11:58:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-14 11:58:56,109 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2022-12-14 11:58:56,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:58:56,109 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-14 11:58:56,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 11:58:56,109 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-14 11:58:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:58:56,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:58:56,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:58:56,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 11:58:56,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 11:58:56,311 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:58:56,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:58:56,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1072976997, now seen corresponding path program 1 times [2022-12-14 11:58:56,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 11:58:56,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076355448] [2022-12-14 11:58:56,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:58:56,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 11:58:56,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 11:58:56,313 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 11:58:56,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 11:58:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:58:56,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 11:58:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:58:56,425 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 11:58:56,425 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 11:58:56,426 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 11:58:56,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 11:58:56,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 11:58:56,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 11:58:56,644 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 11:58:56,656 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:58:56,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:58:56 BoogieIcfgContainer [2022-12-14 11:58:56,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:58:56,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:58:56,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:58:56,700 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:58:56,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:55" (3/4) ... [2022-12-14 11:58:56,702 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 11:58:56,736 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 11:58:56,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:58:56,737 INFO L158 Benchmark]: Toolchain (without parser) took 2593.89ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.6MB in the beginning and 33.1MB in the end (delta: -487.1kB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-12-14 11:58:56,737 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:58:56,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.77ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.4MB in the beginning and 38.8MB in the end (delta: -6.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-14 11:58:56,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.75ms. Allocated memory is still 67.1MB. Free memory was 38.8MB in the beginning and 35.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:58:56,738 INFO L158 Benchmark]: Boogie Preprocessor took 20.47ms. Allocated memory is still 67.1MB. Free memory was 35.6MB in the beginning and 33.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:58:56,739 INFO L158 Benchmark]: RCFGBuilder took 321.00ms. Allocated memory is still 67.1MB. Free memory was 33.5MB in the beginning and 34.8MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 11:58:56,739 INFO L158 Benchmark]: TraceAbstraction took 1318.71ms. Allocated memory is still 67.1MB. Free memory was 34.1MB in the beginning and 35.4MB in the end (delta: -1.4MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2022-12-14 11:58:56,739 INFO L158 Benchmark]: Witness Printer took 36.43ms. Allocated memory is still 67.1MB. Free memory was 35.4MB in the beginning and 33.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:58:56,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.77ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.4MB in the beginning and 38.8MB in the end (delta: -6.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.75ms. Allocated memory is still 67.1MB. Free memory was 38.8MB in the beginning and 35.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.47ms. Allocated memory is still 67.1MB. Free memory was 35.6MB in the beginning and 33.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.00ms. Allocated memory is still 67.1MB. Free memory was 33.5MB in the beginning and 34.8MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1318.71ms. Allocated memory is still 67.1MB. Free memory was 34.1MB in the beginning and 35.4MB in the end (delta: -1.4MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 36.43ms. Allocated memory is still 67.1MB. Free memory was 35.4MB in the beginning and 33.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 1565]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_rand_preinc_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=0, rand()=2147483647, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1563] case 7: VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 29 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 52 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2022-12-14 11:58:56,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce19261b-3384-4afb-9f65-8599ff5fd679/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)