./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9 --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 7cc052f7f61d55b52c64bfb19acbdd19f32eaee16d99b13f1b7585f1831c3697 --- 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-6b4ec56 [2022-11-20 20:21:31,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:21:31,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:21:31,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:21:31,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:21:31,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:21:31,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:21:31,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:21:31,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:21:31,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:21:31,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:21:31,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:21:31,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:21:31,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:21:31,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:21:31,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:21:31,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:21:31,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:21:31,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:21:31,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:21:31,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:21:31,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:21:31,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:21:31,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:21:31,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:21:31,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:21:31,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:21:31,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:21:31,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:21:31,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:21:31,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:21:31,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:21:31,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:21:31,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:21:31,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:21:31,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:21:31,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:21:31,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:21:31,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:21:31,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:21:31,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:21:31,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 20:21:31,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:21:31,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:21:31,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:21:31,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:21:31,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:21:31,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:21:31,544 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:21:31,544 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:21:31,544 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:21:31,545 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:21:31,546 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:21:31,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:21:31,547 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:21:31,547 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:21:31,547 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:21:31,548 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:21:31,548 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:21:31,548 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:21:31,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:21:31,550 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:21:31,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:21:31,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:21:31,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:21:31,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:21:31,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:21:31,552 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:21:31,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:21:31,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:21:31,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:21:31,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:21:31,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:21:31,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:21:31,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:21:31,555 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:21:31,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:21:31,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:21:31,556 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:21:31,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:21:31,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:21:31,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:21:31,557 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_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc052f7f61d55b52c64bfb19acbdd19f32eaee16d99b13f1b7585f1831c3697 [2022-11-20 20:21:31,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:21:32,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:21:32,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:21:32,011 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:21:32,012 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:21:32,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_11_bad.i [2022-11-20 20:21:35,220 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:21:35,680 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:21:35,681 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_11_bad.i [2022-11-20 20:21:35,711 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/data/d11907eed/e10500095f0d41f9804b69300a76e61a/FLAGbd61e8148 [2022-11-20 20:21:35,734 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/data/d11907eed/e10500095f0d41f9804b69300a76e61a [2022-11-20 20:21:35,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:21:35,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:21:35,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:21:35,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:21:35,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:21:35,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:21:35" (1/1) ... [2022-11-20 20:21:35,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d232ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:35, skipping insertion in model container [2022-11-20 20:21:35,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:21:35" (1/1) ... [2022-11-20 20:21:35,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:21:35,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:21:36,220 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 20:21:36,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:21:36,854 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:21:36,893 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 20:21:37,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:21:37,240 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:21:37,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37 WrapperNode [2022-11-20 20:21:37,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:21:37,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:21:37,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:21:37,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:21:37,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,336 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2022-11-20 20:21:37,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:21:37,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:21:37,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:21:37,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:21:37,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,398 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:21:37,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:21:37,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:21:37,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:21:37,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (1/1) ... [2022-11-20 20:21:37,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:21:37,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:21:37,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:21:37,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:21:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 20:21:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 20:21:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-20 20:21:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-20 20:21:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:21:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:21:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:21:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:21:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:21:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:21:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 20:21:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:21:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:21:37,714 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:21:37,720 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:21:37,860 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:21:37,934 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:21:37,935 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:21:37,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:21:37 BoogieIcfgContainer [2022-11-20 20:21:37,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:21:37,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:21:37,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:21:37,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:21:37,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:21:35" (1/3) ... [2022-11-20 20:21:37,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466aed83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:21:37, skipping insertion in model container [2022-11-20 20:21:37,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:37" (2/3) ... [2022-11-20 20:21:37,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466aed83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:21:37, skipping insertion in model container [2022-11-20 20:21:37,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:21:37" (3/3) ... [2022-11-20 20:21:37,947 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_11_bad.i [2022-11-20 20:21:37,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:21:37,967 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 20:21:38,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:21:38,016 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;@69f5c8ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:21:38,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 20:21:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 20:21:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:21:38,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:21:38,031 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:21:38,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 20:21:38,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:21:38,038 INFO L85 PathProgramCache]: Analyzing trace with hash 711769924, now seen corresponding path program 1 times [2022-11-20 20:21:38,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:21:38,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694628076] [2022-11-20 20:21:38,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:21:38,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:21:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:21:38,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 20:21:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:21:38,303 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 20:21:38,305 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 20:21:38,306 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 20:21:38,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 20:21:38,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:21:38,314 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 20:21:38,321 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:21:38,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:21:38 BoogieIcfgContainer [2022-11-20 20:21:38,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:21:38,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:21:38,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:21:38,356 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:21:38,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:21:37" (3/4) ... [2022-11-20 20:21:38,359 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 20:21:38,415 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:21:38,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:21:38,417 INFO L158 Benchmark]: Toolchain (without parser) took 2675.90ms. Allocated memory was 186.6MB in the beginning and 264.2MB in the end (delta: 77.6MB). Free memory was 137.9MB in the beginning and 185.5MB in the end (delta: -47.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2022-11-20 20:21:38,417 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 186.6MB. Free memory is still 158.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:21:38,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1500.53ms. Allocated memory was 186.6MB in the beginning and 264.2MB in the end (delta: 77.6MB). Free memory was 137.6MB in the beginning and 226.4MB in the end (delta: -88.8MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2022-11-20 20:21:38,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.27ms. Allocated memory is still 264.2MB. Free memory was 226.4MB in the beginning and 223.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:21:38,420 INFO L158 Benchmark]: Boogie Preprocessor took 63.28ms. Allocated memory is still 264.2MB. Free memory was 223.2MB in the beginning and 222.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:21:38,421 INFO L158 Benchmark]: RCFGBuilder took 533.82ms. Allocated memory is still 264.2MB. Free memory was 222.2MB in the beginning and 206.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:21:38,421 INFO L158 Benchmark]: TraceAbstraction took 415.02ms. Allocated memory is still 264.2MB. Free memory was 205.4MB in the beginning and 187.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 20:21:38,422 INFO L158 Benchmark]: Witness Printer took 59.56ms. Allocated memory is still 264.2MB. Free memory was 187.6MB in the beginning and 185.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:21:38,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 186.6MB. Free memory is still 158.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1500.53ms. Allocated memory was 186.6MB in the beginning and 264.2MB in the end (delta: 77.6MB). Free memory was 137.6MB in the beginning and 226.4MB in the end (delta: -88.8MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.27ms. Allocated memory is still 264.2MB. Free memory was 226.4MB in the beginning and 223.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.28ms. Allocated memory is still 264.2MB. Free memory was 223.2MB in the beginning and 222.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.82ms. Allocated memory is still 264.2MB. Free memory was 222.2MB in the beginning and 206.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 415.02ms. Allocated memory is still 264.2MB. Free memory was 205.4MB in the beginning and 187.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 59.56ms. Allocated memory is still 264.2MB. Free memory was 187.6MB in the beginning and 185.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE190_Integer_Overflow__int_fscanf_add_11_bad() [L1550] int data; [L1551] data = 0 VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] EXPR \read(data) VAL [\read(data)=2147483647, data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data + 1 VAL [\read(data)=2147483647, data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 20:21:38,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dab19f0-fe20-4a59-a16b-4200d275af95/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)