./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 --- 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 15:56:49,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:56:50,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:56:50,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:56:50,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:56:50,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:56:50,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:56:50,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:56:50,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:56:50,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:56:50,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:56:50,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:56:50,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:56:50,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:56:50,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:56:50,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:56:50,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:56:50,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:56:50,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:56:50,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:56:50,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:56:50,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:56:50,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:56:50,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:56:50,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:56:50,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:56:50,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:56:50,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:56:50,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:56:50,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:56:50,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:56:50,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:56:50,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:56:50,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:56:50,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:56:50,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:56:50,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:56:50,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:56:50,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:56:50,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:56:50,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:56:50,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 15:56:50,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:56:50,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:56:50,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:56:50,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:56:50,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:56:50,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:56:50,066 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:56:50,066 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:56:50,067 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:56:50,067 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:56:50,067 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:56:50,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:56:50,067 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:56:50,067 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:56:50,068 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:56:50,068 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:56:50,068 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:56:50,068 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:56:50,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:56:50,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:56:50,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:56:50,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:56:50,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:56:50,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:56:50,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:56:50,070 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:56:50,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:56:50,070 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:56:50,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:56:50,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:56:50,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:56:50,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:56:50,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:56:50,071 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:56:50,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:56:50,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:56:50,072 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:56:50,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:56:50,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:56:50,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:56:50,072 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_46d9b205-e402-40e8-ae82-c3c526bcec2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 [2022-12-14 15:56:50,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:56:50,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:56:50,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:56:50,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:56:50,275 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:56:50,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2022-12-14 15:56:52,927 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:56:53,157 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:56:53,158 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2022-12-14 15:56:53,174 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/data/769e5156c/819ea5a54f9e419db3154a690f958d0c/FLAG589ae9c87 [2022-12-14 15:56:53,188 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/data/769e5156c/819ea5a54f9e419db3154a690f958d0c [2022-12-14 15:56:53,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:56:53,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:56:53,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:56:53,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:56:53,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:56:53,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:53,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1841e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53, skipping insertion in model container [2022-12-14 15:56:53,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:53,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:56:53,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:56:53,458 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:56:53,732 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:56:53,736 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:56:53,738 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:56:53,739 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:56:53,740 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:56:53,759 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:56:53,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:56:53,768 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:56:53,781 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:56:53,812 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:56:53,814 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:56:53,814 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:56:53,816 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:56:53,817 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:56:53,820 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:56:53,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:56:53,923 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:56:53,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53 WrapperNode [2022-12-14 15:56:53,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:56:53,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:56:53,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:56:53,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:56:53,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:53,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:53,988 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-14 15:56:53,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:56:53,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:56:53,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:56:53,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:56:53,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:53,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:54,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:54,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:54,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:54,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:54,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:54,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:54,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:56:54,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:56:54,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:56:54,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:56:54,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (1/1) ... [2022-12-14 15:56:54,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:56:54,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:56:54,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:56:54,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:56:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 15:56:54,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 15:56:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:56:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:56:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:56:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 15:56:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:56:54,174 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:56:54,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:56:54,289 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:56:54,371 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:56:54,371 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:56:54,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:56:54 BoogieIcfgContainer [2022-12-14 15:56:54,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:56:54,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:56:54,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:56:54,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:56:54,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:56:53" (1/3) ... [2022-12-14 15:56:54,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1977354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:56:54, skipping insertion in model container [2022-12-14 15:56:54,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:53" (2/3) ... [2022-12-14 15:56:54,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1977354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:56:54, skipping insertion in model container [2022-12-14 15:56:54,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:56:54" (3/3) ... [2022-12-14 15:56:54,381 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2022-12-14 15:56:54,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:56:54,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 15:56:54,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:56:54,435 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;@70c6cdf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:56:54,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 15:56:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) 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 15:56:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 15:56:54,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:56:54,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:56:54,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:56:54,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:56:54,449 INFO L85 PathProgramCache]: Analyzing trace with hash 184305098, now seen corresponding path program 1 times [2022-12-14 15:56:54,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:56:54,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794873545] [2022-12-14 15:56:54,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:54,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:56:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:56:54,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:56:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:56:54,682 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:56:54,683 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:56:54,684 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 15:56:54,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 15:56:54,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:56:54,689 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 15:56:54,693 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:56:54,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:56:54 BoogieIcfgContainer [2022-12-14 15:56:54,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:56:54,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:56:54,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:56:54,714 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:56:54,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:56:54" (3/4) ... [2022-12-14 15:56:54,717 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:56:54,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:56:54,718 INFO L158 Benchmark]: Toolchain (without parser) took 1526.25ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 95.6MB in the beginning and 117.9MB in the end (delta: -22.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-12-14 15:56:54,719 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:56:54,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.90ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 95.1MB in the beginning and 107.2MB in the end (delta: -12.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-12-14 15:56:54,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.36ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 104.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:56:54,720 INFO L158 Benchmark]: Boogie Preprocessor took 28.96ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 103.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:56:54,721 INFO L158 Benchmark]: RCFGBuilder took 355.29ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 82.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 15:56:54,721 INFO L158 Benchmark]: TraceAbstraction took 336.78ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 117.9MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:56:54,721 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 159.4MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:56:54,724 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 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.90ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 95.1MB in the beginning and 107.2MB in the end (delta: -12.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.36ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 104.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.96ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 103.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.29ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 82.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 336.78ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 117.9MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 159.4MB. Free memory is still 117.9MB. There was no memory consumed. 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 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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); [L1568] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) [L1559] data-- VAL [data=-2147483648, 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, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483653] - UnprovableResult [Line: 1559]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, 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=14occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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 could not prove your program: unable to determine feasibility of some traces [2022-12-14 15:56:54,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 --- 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 15:56:56,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:56:56,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:56:56,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:56:56,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:56:56,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:56:56,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:56:56,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:56:56,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:56:56,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:56:56,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:56:56,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:56:56,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:56:56,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:56:56,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:56:56,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:56:56,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:56:56,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:56:56,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:56:56,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:56:56,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:56:56,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:56:56,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:56:56,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:56:56,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:56:56,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:56:56,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:56:56,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:56:56,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:56:56,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:56:56,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:56:56,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:56:56,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:56:56,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:56:56,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:56:56,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:56:56,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:56:56,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:56:56,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:56:56,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:56:56,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:56:56,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 15:56:56,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:56:56,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:56:56,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:56:56,516 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:56:56,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:56:56,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:56:56,517 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:56:56,518 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:56:56,518 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:56:56,518 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:56:56,518 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:56:56,518 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:56:56,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:56:56,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:56:56,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:56:56,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:56:56,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:56:56,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:56:56,520 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:56:56,520 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:56:56,521 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:56:56,521 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:56:56,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:56:56,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:56:56,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:56:56,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:56:56,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:56:56,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:56:56,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:56:56,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:56:56,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:56:56,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:56:56,531 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:56:56,531 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:56:56,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:56:56,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:56:56,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:56:56,532 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_46d9b205-e402-40e8-ae82-c3c526bcec2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 [2022-12-14 15:56:56,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:56:56,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:56:56,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:56:56,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:56:56,776 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:56:56,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2022-12-14 15:56:59,425 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:56:59,719 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:56:59,719 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2022-12-14 15:56:59,735 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/data/66dc98599/bf53d59faacf4743a5181b16fccb2764/FLAGb263be2d7 [2022-12-14 15:56:59,746 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/data/66dc98599/bf53d59faacf4743a5181b16fccb2764 [2022-12-14 15:56:59,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:56:59,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:56:59,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:56:59,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:56:59,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:56:59,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:59" (1/1) ... [2022-12-14 15:56:59,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bc77d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:59, skipping insertion in model container [2022-12-14 15:56:59,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:59" (1/1) ... [2022-12-14 15:56:59,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:56:59,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:57:00,050 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:57:00,371 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:57:00,375 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:57:00,376 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:57:00,378 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:57:00,378 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:57:00,395 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:57:00,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:57:00,405 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:57:00,419 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:57:00,453 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:57:00,454 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:57:00,455 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:57:00,456 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:57:00,456 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:57:00,460 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:57:00,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:57:00,577 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:57:00,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00 WrapperNode [2022-12-14 15:57:00,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:57:00,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:57:00,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:57:00,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:57:00,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,618 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-14 15:57:00,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:57:00,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:57:00,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:57:00,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:57:00,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,637 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:57:00,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:57:00,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:57:00,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:57:00,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (1/1) ... [2022-12-14 15:57:00,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:57:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:57:00,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:57:00,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:57:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 15:57:00,693 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 15:57:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 15:57:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:57:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:57:00,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:57:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 15:57:00,802 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:57:00,804 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:57:00,914 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:57:00,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:57:00,918 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:57:00,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:57:00 BoogieIcfgContainer [2022-12-14 15:57:00,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:57:00,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:57:00,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:57:00,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:57:00,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:56:59" (1/3) ... [2022-12-14 15:57:00,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f595f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:57:00, skipping insertion in model container [2022-12-14 15:57:00,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:57:00" (2/3) ... [2022-12-14 15:57:00,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f595f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:57:00, skipping insertion in model container [2022-12-14 15:57:00,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:57:00" (3/3) ... [2022-12-14 15:57:00,926 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2022-12-14 15:57:00,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:57:00,940 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 15:57:00,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:57:00,978 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;@51ca0240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:57:00,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 15:57:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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 15:57:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 15:57:00,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:57:00,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:57:00,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:57:00,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:57:00,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-14 15:57:01,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:57:01,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883673325] [2022-12-14 15:57:01,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:57:01,005 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 15:57:01,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:57:01,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 15:57:01,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 15:57:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:57:01,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 15:57:01,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:57:01,143 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 15:57:01,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:57:01,144 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:57:01,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883673325] [2022-12-14 15:57:01,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883673325] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:57:01,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:57:01,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:57:01,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639943837] [2022-12-14 15:57:01,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:57:01,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:57:01,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:57:01,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:57:01,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:57:01,174 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 15:57:01,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:57:01,193 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-12-14 15:57:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:57:01,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-12-14 15:57:01,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:57:01,200 INFO L225 Difference]: With dead ends: 38 [2022-12-14 15:57:01,201 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 15:57:01,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 15:57:01,205 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:57:01,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:57:01,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 15:57:01,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 15:57:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 15:57:01,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 15:57:01,230 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2022-12-14 15:57:01,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:57:01,231 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 15:57:01,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 15:57:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 15:57:01,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 15:57:01,231 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:57:01,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:57:01,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 15:57:01,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 15:57:01,432 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:57:01,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:57:01,433 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-12-14 15:57:01,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:57:01,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597656763] [2022-12-14 15:57:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:57:01,434 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 15:57:01,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:57:01,435 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 15:57:01,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 15:57:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:57:01,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:57:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:57:01,560 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 15:57:01,560 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:57:01,562 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 15:57:01,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 15:57:01,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 15:57:01,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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 15:57:01,775 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 15:57:01,787 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:57:01,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:57:01 BoogieIcfgContainer [2022-12-14 15:57:01,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:57:01,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:57:01,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:57:01,825 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:57:01,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:57:00" (3/4) ... [2022-12-14 15:57:01,826 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 15:57:01,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:57:01,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:57:01,854 INFO L158 Benchmark]: Toolchain (without parser) took 2105.18ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.3MB in the beginning and 54.0MB in the end (delta: -5.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-12-14 15:57:01,854 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:57:01,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.47ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.1MB in the beginning and 51.8MB in the end (delta: -3.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-12-14 15:57:01,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.93ms. Allocated memory is still 88.1MB. Free memory was 51.4MB in the beginning and 48.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:57:01,855 INFO L158 Benchmark]: Boogie Preprocessor took 21.46ms. Allocated memory is still 88.1MB. Free memory was 48.3MB in the beginning and 46.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:57:01,855 INFO L158 Benchmark]: RCFGBuilder took 279.32ms. Allocated memory is still 88.1MB. Free memory was 46.3MB in the beginning and 56.4MB in the end (delta: -10.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-12-14 15:57:01,855 INFO L158 Benchmark]: TraceAbstraction took 902.68ms. Allocated memory is still 88.1MB. Free memory was 55.8MB in the beginning and 56.1MB in the end (delta: -317.1kB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 15:57:01,856 INFO L158 Benchmark]: Witness Printer took 28.75ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:57:01,857 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 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.47ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.1MB in the beginning and 51.8MB in the end (delta: -3.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.93ms. Allocated memory is still 88.1MB. Free memory was 51.4MB in the beginning and 48.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.46ms. Allocated memory is still 88.1MB. Free memory was 48.3MB in the beginning and 46.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.32ms. Allocated memory is still 88.1MB. Free memory was 46.3MB in the beginning and 56.4MB in the end (delta: -10.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 902.68ms. Allocated memory is still 88.1MB. Free memory was 55.8MB in the beginning and 56.1MB in the end (delta: -317.1kB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 28.75ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1559]: 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] [L1568] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_10_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] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] 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()=2, rand()=0, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) [L1559] data-- VAL [data=-2147483648, 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: 1559]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 22 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 2 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 proved your program to be incorrect! [2022-12-14 15:57:01,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d9b205-e402-40e8-ae82-c3c526bcec2b/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)