./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_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_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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_62552a27-a0ef-4048-b144-c6524d04b167/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 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd --- 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 05:56:10,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:56:10,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:56:10,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:56:10,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:56:10,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:56:10,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:56:10,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:56:10,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:56:10,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:56:10,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:56:10,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:56:10,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:56:10,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:56:10,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:56:10,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:56:10,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:56:10,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:56:10,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:56:10,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:56:10,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:56:10,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:56:10,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:56:10,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:56:10,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:56:10,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:56:10,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:56:10,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:56:10,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:56:10,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:56:10,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:56:10,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:56:10,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:56:10,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:56:10,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:56:10,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:56:10,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:56:10,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:56:10,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:56:10,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:56:10,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:56:10,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 05:56:10,396 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:56:10,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:56:10,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:56:10,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:56:10,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:56:10,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:56:10,403 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:56:10,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:56:10,404 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:56:10,405 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:56:10,405 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:56:10,406 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:56:10,406 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:56:10,406 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:56:10,406 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:56:10,407 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:56:10,407 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:56:10,407 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:56:10,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:56:10,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:56:10,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:56:10,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:56:10,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:56:10,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:56:10,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:56:10,408 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:56:10,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:56:10,409 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:56:10,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:56:10,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:56:10,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:56:10,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:56:10,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:56:10,409 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:56:10,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:56:10,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:56:10,410 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:56:10,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:56:10,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:56:10,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:56:10,410 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_62552a27-a0ef-4048-b144-c6524d04b167/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd [2022-12-14 05:56:10,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:56:10,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:56:10,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:56:10,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:56:10,596 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:56:10,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2022-12-14 05:56:13,281 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:56:13,522 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:56:13,523 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2022-12-14 05:56:13,536 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/data/6d98802ac/02a88c747d544e3095758bf2863fd190/FLAG41c6ec898 [2022-12-14 05:56:13,548 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/data/6d98802ac/02a88c747d544e3095758bf2863fd190 [2022-12-14 05:56:13,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:56:13,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:56:13,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:56:13,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:56:13,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:56:13,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:13" (1/1) ... [2022-12-14 05:56:13,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18105593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:13, skipping insertion in model container [2022-12-14 05:56:13,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:13" (1/1) ... [2022-12-14 05:56:13,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:56:13,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:56:13,879 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:56:14,195 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:56:14,201 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:14,202 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:14,205 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:14,205 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:14,228 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:56:14,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:56:14,238 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:56:14,254 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:56:14,301 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:56:14,302 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:14,303 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:14,306 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:14,306 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:14,312 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:56:14,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:56:14,420 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:56:14,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14 WrapperNode [2022-12-14 05:56:14,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:56:14,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:56:14,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:56:14,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:56:14,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,461 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-14 05:56:14,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:56:14,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:56:14,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:56:14,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:56:14,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,477 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:56:14,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:56:14,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:56:14,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:56:14,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (1/1) ... [2022-12-14 05:56:14,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:56:14,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:56:14,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:56:14,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:56:14,532 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:56:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:56:14,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:56:14,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:56:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:56:14,532 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:56:14,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:56:14,649 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:56:14,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:56:14,784 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:56:14,874 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:56:14,874 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:56:14,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:14 BoogieIcfgContainer [2022-12-14 05:56:14,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:56:14,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:56:14,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:56:14,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:56:14,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:56:13" (1/3) ... [2022-12-14 05:56:14,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7a7e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:14, skipping insertion in model container [2022-12-14 05:56:14,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:14" (2/3) ... [2022-12-14 05:56:14,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7a7e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:14, skipping insertion in model container [2022-12-14 05:56:14,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:14" (3/3) ... [2022-12-14 05:56:14,884 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2022-12-14 05:56:14,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:56:14,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:56:14,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:56:14,942 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;@5d355f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:56:14,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:56:14,945 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 05:56:14,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 05:56:14,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:14,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:56:14,951 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:56:14,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:14,956 INFO L85 PathProgramCache]: Analyzing trace with hash 184305098, now seen corresponding path program 1 times [2022-12-14 05:56:14,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:56:14,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257400311] [2022-12-14 05:56:14,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:14,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:56:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:56:15,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:56:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:56:15,178 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:56:15,179 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:56:15,180 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 05:56:15,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 05:56:15,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:56:15,186 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 05:56:15,190 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:56:15,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:56:15 BoogieIcfgContainer [2022-12-14 05:56:15,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:56:15,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:56:15,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:56:15,212 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:56:15,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:14" (3/4) ... [2022-12-14 05:56:15,215 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:56:15,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:56:15,216 INFO L158 Benchmark]: Toolchain (without parser) took 1664.44ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 68.1MB in the beginning and 70.9MB in the end (delta: -2.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-12-14 05:56:15,216 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:56:15,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.01ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 67.8MB in the beginning and 71.6MB in the end (delta: -3.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-12-14 05:56:15,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.35ms. Allocated memory is still 134.2MB. Free memory was 71.6MB in the beginning and 68.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:15,218 INFO L158 Benchmark]: Boogie Preprocessor took 17.76ms. Allocated memory is still 134.2MB. Free memory was 68.1MB in the beginning and 66.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:15,219 INFO L158 Benchmark]: RCFGBuilder took 396.58ms. Allocated memory is still 134.2MB. Free memory was 66.7MB in the beginning and 92.9MB in the end (delta: -26.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-12-14 05:56:15,219 INFO L158 Benchmark]: TraceAbstraction took 331.80ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 70.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 05:56:15,219 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 134.2MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:56:15,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.01ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 67.8MB in the beginning and 71.6MB in the end (delta: -3.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.35ms. Allocated memory is still 134.2MB. Free memory was 71.6MB in the beginning and 68.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.76ms. Allocated memory is still 134.2MB. Free memory was 68.1MB in the beginning and 66.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.58ms. Allocated memory is still 134.2MB. Free memory was 66.7MB in the beginning and 92.9MB in the end (delta: -26.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 331.80ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 70.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 134.2MB. Free memory is still 70.9MB. 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=2147516417, argc=2147516417, argv={2147516419:2147516418}, argv={2147516419:2147516418}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) 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, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147516420, staticFalse=0, staticTrue=1] [L1561] --data 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, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147516420, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1561]: 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 05:56:15,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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_62552a27-a0ef-4048-b144-c6524d04b167/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 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd --- 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 05:56:16,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:56:16,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:56:16,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:56:16,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:56:16,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:56:16,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:56:16,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:56:16,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:56:16,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:56:16,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:56:16,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:56:16,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:56:16,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:56:16,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:56:16,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:56:16,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:56:16,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:56:16,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:56:16,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:56:16,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:56:16,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:56:16,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:56:16,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:56:16,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:56:16,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:56:16,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:56:16,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:56:16,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:56:16,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:56:16,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:56:16,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:56:16,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:56:16,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:56:16,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:56:16,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:56:16,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:56:16,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:56:16,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:56:16,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:56:16,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:56:16,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 05:56:16,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:56:16,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:56:16,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:56:16,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:56:16,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:56:16,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:56:16,908 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:56:16,908 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:56:16,908 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:56:16,909 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:56:16,909 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:56:16,909 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:56:16,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:56:16,910 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:56:16,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:56:16,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:56:16,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:56:16,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:56:16,911 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:56:16,911 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:56:16,911 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:56:16,911 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:56:16,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:56:16,912 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:56:16,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:56:16,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:56:16,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:56:16,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:56:16,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:56:16,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:56:16,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:56:16,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:56:16,914 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:56:16,918 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:56:16,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:56:16,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:56:16,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:56:16,919 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_62552a27-a0ef-4048-b144-c6524d04b167/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd [2022-12-14 05:56:17,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:56:17,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:56:17,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:56:17,171 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:56:17,171 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:56:17,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2022-12-14 05:56:19,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:56:20,010 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:56:20,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2022-12-14 05:56:20,030 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/data/e7e529d9d/cbd417e883394566a631efe75895177a/FLAGed7497eae [2022-12-14 05:56:20,279 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/data/e7e529d9d/cbd417e883394566a631efe75895177a [2022-12-14 05:56:20,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:56:20,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:56:20,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:56:20,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:56:20,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:56:20,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:20" (1/1) ... [2022-12-14 05:56:20,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412128b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:20, skipping insertion in model container [2022-12-14 05:56:20,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:20" (1/1) ... [2022-12-14 05:56:20,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:56:20,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:56:20,617 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:56:20,900 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:56:20,904 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:20,905 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:20,906 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:20,907 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:20,924 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:56:20,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:56:20,937 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:56:20,950 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:56:20,991 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:56:20,992 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:20,993 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:20,994 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:20,995 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:20,999 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:56:20,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:56:21,118 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:56:21,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21 WrapperNode [2022-12-14 05:56:21,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:56:21,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:56:21,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:56:21,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:56:21,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,155 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-14 05:56:21,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:56:21,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:56:21,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:56:21,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:56:21,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,180 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:56:21,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:56:21,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:56:21,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:56:21,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (1/1) ... [2022-12-14 05:56:21,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:56:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:56:21,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:56:21,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:56:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:56:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:56:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 05:56:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:56:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:56:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:56:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:56:21,361 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:56:21,362 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:56:21,478 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:56:21,482 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:56:21,483 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:56:21,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:21 BoogieIcfgContainer [2022-12-14 05:56:21,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:56:21,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:56:21,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:56:21,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:56:21,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:56:20" (1/3) ... [2022-12-14 05:56:21,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad288f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:21, skipping insertion in model container [2022-12-14 05:56:21,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:21" (2/3) ... [2022-12-14 05:56:21,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad288f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:21, skipping insertion in model container [2022-12-14 05:56:21,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:21" (3/3) ... [2022-12-14 05:56:21,490 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2022-12-14 05:56:21,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:56:21,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:56:21,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:56:21,540 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;@4d732a9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:56:21,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:56:21,543 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 05:56:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:56:21,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:21,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:56:21,550 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:56:21,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:21,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-14 05:56:21,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:56:21,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765468885] [2022-12-14 05:56:21,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:21,563 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 05:56:21,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:56:21,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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 05:56:21,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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 05:56:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:56:21,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:56:21,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:56:21,694 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 05:56:21,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:56:21,695 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:56:21,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765468885] [2022-12-14 05:56:21,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [765468885] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:56:21,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:56:21,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:56:21,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743220554] [2022-12-14 05:56:21,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:56:21,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:56:21,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:56:21,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:56:21,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:56:21,724 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 05:56:21,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:56:21,744 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-12-14 05:56:21,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:56:21,746 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 05:56:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:56:21,752 INFO L225 Difference]: With dead ends: 38 [2022-12-14 05:56:21,752 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 05:56:21,754 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 05:56:21,757 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 05:56:21,758 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 05:56:21,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 05:56:21,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 05:56:21,784 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 05:56:21,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 05:56:21,786 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2022-12-14 05:56:21,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:56:21,787 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 05:56:21,787 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 05:56:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 05:56:21,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 05:56:21,787 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:21,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:56:21,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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 05:56:21,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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 05:56:21,990 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:56:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:21,993 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-12-14 05:56:21,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:56:21,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119054420] [2022-12-14 05:56:21,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:21,996 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 05:56:21,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:56:22,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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 05:56:22,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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 05:56:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:56:22,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:56:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:56:22,259 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 05:56:22,259 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:56:22,261 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 05:56:22,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 05:56:22,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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)] Forceful destruction successful, exit code 0 [2022-12-14 05:56:22,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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 05:56:22,474 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 05:56:22,485 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:56:22,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:56:22 BoogieIcfgContainer [2022-12-14 05:56:22,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:56:22,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:56:22,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:56:22,556 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:56:22,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:21" (3/4) ... [2022-12-14 05:56:22,562 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 05:56:22,621 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:56:22,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:56:22,622 INFO L158 Benchmark]: Toolchain (without parser) took 2340.65ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.3MB in the beginning and 37.4MB in the end (delta: 1.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:22,622 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:56:22,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.21ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.1MB in the beginning and 51.2MB in the end (delta: -12.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-12-14 05:56:22,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.80ms. Allocated memory is still 79.7MB. Free memory was 51.2MB in the beginning and 48.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:22,624 INFO L158 Benchmark]: Boogie Preprocessor took 28.83ms. Allocated memory is still 79.7MB. Free memory was 48.0MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:22,624 INFO L158 Benchmark]: RCFGBuilder took 298.50ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 51.6MB in the end (delta: -5.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 05:56:22,624 INFO L158 Benchmark]: TraceAbstraction took 1068.64ms. Allocated memory is still 79.7MB. Free memory was 50.8MB in the beginning and 40.0MB in the end (delta: 10.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-12-14 05:56:22,625 INFO L158 Benchmark]: Witness Printer took 66.28ms. Allocated memory is still 79.7MB. Free memory was 40.0MB in the beginning and 37.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:22,627 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 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.21ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.1MB in the beginning and 51.2MB in the end (delta: -12.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.80ms. Allocated memory is still 79.7MB. Free memory was 51.2MB in the beginning and 48.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.83ms. Allocated memory is still 79.7MB. Free memory was 48.0MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 298.50ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 51.6MB in the end (delta: -5.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1068.64ms. Allocated memory is still 79.7MB. Free memory was 50.8MB in the beginning and 40.0MB in the end (delta: 10.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 66.28ms. Allocated memory is still 79.7MB. Free memory was 40.0MB in the beginning and 37.4MB in the end (delta: 2.6MB). 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: 1561]: 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 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, staticFalse=0, staticTrue=1] [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_predec_05_bad() [L1552] int data; [L1553] 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] 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()=0, rand()=65536, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648, staticFalse=0, staticTrue=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) 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, staticFalse=0, staticTrue=1] [L1561] --data 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, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1561]: 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: 0.9s, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 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 05:56:22,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62552a27-a0ef-4048-b144-c6524d04b167/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)