./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_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_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/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_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/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_6ba32c03-c864-425d-af85-dd56dc705898/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 3afabe119600762a6cb141d520184586a5da91223f79cbafb124ad80862bcdc4 --- 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 07:04:33,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:04:33,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:04:33,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:04:33,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:04:33,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:04:33,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:04:33,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:04:33,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:04:33,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:04:33,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:04:33,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:04:33,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:04:33,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:04:33,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:04:33,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:04:33,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:04:33,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:04:33,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:04:34,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:04:34,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:04:34,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:04:34,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:04:34,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:04:34,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:04:34,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:04:34,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:04:34,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:04:34,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:04:34,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:04:34,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:04:34,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:04:34,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:04:34,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:04:34,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:04:34,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:04:34,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:04:34,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:04:34,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:04:34,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:04:34,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:04:34,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 07:04:34,038 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:04:34,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:04:34,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:04:34,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:04:34,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:04:34,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:04:34,040 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:04:34,040 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:04:34,040 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:04:34,040 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:04:34,041 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:04:34,041 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:04:34,041 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:04:34,041 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:04:34,041 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:04:34,041 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:04:34,042 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:04:34,042 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:04:34,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:04:34,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:04:34,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:04:34,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:04:34,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:04:34,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:04:34,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:04:34,044 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:04:34,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:04:34,044 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:04:34,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:04:34,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:04:34,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:04:34,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:04:34,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:04:34,045 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:04:34,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:04:34,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:04:34,046 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:04:34,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:04:34,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:04:34,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:04:34,046 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_6ba32c03-c864-425d-af85-dd56dc705898/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afabe119600762a6cb141d520184586a5da91223f79cbafb124ad80862bcdc4 [2022-12-14 07:04:34,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:04:34,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:04:34,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:04:34,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:04:34,257 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:04:34,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_bad.i [2022-12-14 07:04:36,807 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:04:37,042 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:04:37,043 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_bad.i [2022-12-14 07:04:37,057 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/data/c5c4d4940/b5ce2dd50b9f4136ac80cf599f1af705/FLAG772f45c37 [2022-12-14 07:04:37,067 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/data/c5c4d4940/b5ce2dd50b9f4136ac80cf599f1af705 [2022-12-14 07:04:37,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:04:37,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:04:37,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:04:37,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:04:37,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:04:37,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19cb6a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37, skipping insertion in model container [2022-12-14 07:04:37,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:04:37,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:04:37,425 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:04:37,727 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:04:37,731 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:04:37,733 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:04:37,734 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:04:37,735 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:04:37,754 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:04:37,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:04:37,762 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:04:37,775 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:04:37,803 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:04:37,805 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:04:37,805 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:04:37,807 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:04:37,807 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:04:37,811 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:04:37,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:04:37,914 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:04:37,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37 WrapperNode [2022-12-14 07:04:37,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:04:37,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:04:37,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:04:37,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:04:37,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,965 INFO L138 Inliner]: procedures = 499, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-12-14 07:04:37,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:04:37,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:04:37,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:04:37,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:04:37,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,985 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:04:37,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:04:37,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:04:37,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:04:37,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (1/1) ... [2022-12-14 07:04:37,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:04:38,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:04:38,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:04:38,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:04:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 07:04:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 07:04:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-12-14 07:04:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-12-14 07:04:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 07:04:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 07:04:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:04:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:04:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:04:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 07:04:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:04:38,151 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:04:38,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:04:38,256 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:04:38,291 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:04:38,292 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:04:38,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:04:38 BoogieIcfgContainer [2022-12-14 07:04:38,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:04:38,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:04:38,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:04:38,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:04:38,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:04:37" (1/3) ... [2022-12-14 07:04:38,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e09426d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:04:38, skipping insertion in model container [2022-12-14 07:04:38,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:37" (2/3) ... [2022-12-14 07:04:38,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e09426d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:04:38, skipping insertion in model container [2022-12-14 07:04:38,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:04:38" (3/3) ... [2022-12-14 07:04:38,302 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_12_bad.i [2022-12-14 07:04:38,318 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:04:38,319 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 07:04:38,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:04:38,357 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;@21a6f038, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:04:38,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 07:04:38,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 24 states have internal predecessors, (25), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 07:04:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 07:04:38,365 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:04:38,365 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:04:38,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 07:04:38,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:04:38,369 INFO L85 PathProgramCache]: Analyzing trace with hash 166709934, now seen corresponding path program 1 times [2022-12-14 07:04:38,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:04:38,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954589962] [2022-12-14 07:04:38,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:04:38,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:04:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:04:38,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 07:04:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:04:38,545 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 07:04:38,547 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 07:04:38,548 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-14 07:04:38,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-14 07:04:38,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-14 07:04:38,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-14 07:04:38,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:04:38,554 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 07:04:38,559 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:04:38,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:04:38 BoogieIcfgContainer [2022-12-14 07:04:38,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:04:38,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:04:38,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:04:38,581 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:04:38,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:04:38" (3/4) ... [2022-12-14 07:04:38,583 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 07:04:38,620 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:04:38,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:04:38,622 INFO L158 Benchmark]: Toolchain (without parser) took 1551.38ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 104.3MB in the beginning and 90.0MB in the end (delta: 14.3MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-12-14 07:04:38,622 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 138.4MB. Free memory was 113.0MB in the beginning and 112.9MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:04:38,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.58ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 104.3MB in the beginning and 130.9MB in the end (delta: -26.5MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2022-12-14 07:04:38,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.10ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 127.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:04:38,624 INFO L158 Benchmark]: Boogie Preprocessor took 22.65ms. Allocated memory is still 167.8MB. Free memory was 127.7MB in the beginning and 126.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:04:38,624 INFO L158 Benchmark]: RCFGBuilder took 304.47ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 111.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 07:04:38,625 INFO L158 Benchmark]: TraceAbstraction took 284.14ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 93.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 07:04:38,625 INFO L158 Benchmark]: Witness Printer took 39.94ms. Allocated memory is still 167.8MB. Free memory was 93.1MB in the beginning and 90.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:04:38,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 138.4MB. Free memory was 113.0MB in the beginning and 112.9MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.58ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 104.3MB in the beginning and 130.9MB in the end (delta: -26.5MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.10ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 127.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.65ms. Allocated memory is still 167.8MB. Free memory was 127.7MB in the beginning and 126.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.47ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 111.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 284.14ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 93.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 39.94ms. Allocated memory is still 167.8MB. Free memory was 93.1MB in the beginning and 90.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1564]: 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); [L1587] 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={3:0}] [L1414] COND TRUE line != ((void *)0) [L1587] RET printLine("Calling bad()...") VAL [\old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, argv={1073741827:1073741826}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1588] CALL CWE191_Integer_Underflow__int_min_multiply_12_bad() [L1550] int data; [L1551] data = 0 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] data = (-0x7fffffff - 1) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1562] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data * 2 VAL [data=-2147483648, 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: 1564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1574]: 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 07:04:38,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba32c03-c864-425d-af85-dd56dc705898/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)