./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba --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 c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db --- 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-b5237d8 [2022-11-22 00:12:55,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:12:55,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:12:55,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:12:55,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:12:55,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:12:55,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:12:55,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:12:55,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:12:55,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:12:55,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:12:55,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:12:55,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:12:55,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:12:55,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:12:55,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:12:55,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:12:55,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:12:55,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:12:55,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:12:55,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:12:55,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:12:55,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:12:55,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:12:55,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:12:55,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:12:55,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:12:55,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:12:55,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:12:55,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:12:55,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:12:55,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:12:55,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:12:55,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:12:55,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:12:55,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:12:55,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:12:55,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:12:55,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:12:55,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:12:55,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:12:55,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 00:12:55,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:12:55,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:12:55,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:12:55,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:12:55,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:12:55,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:12:55,404 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:12:55,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:12:55,404 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:12:55,405 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:12:55,405 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:12:55,405 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:12:55,405 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:12:55,406 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:12:55,406 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:12:55,406 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:12:55,407 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:12:55,407 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:12:55,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:12:55,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:12:55,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:12:55,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:12:55,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:12:55,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:12:55,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:12:55,409 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:12:55,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:12:55,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:12:55,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:12:55,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:12:55,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:12:55,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:12:55,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:12:55,412 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:12:55,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:12:55,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:12:55,412 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:12:55,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:12:55,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:12:55,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:12:55,413 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_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db [2022-11-22 00:12:55,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:12:55,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:12:55,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:12:55,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:12:55,812 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:12:55,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-22 00:12:59,258 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:12:59,708 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:12:59,709 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-22 00:12:59,734 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/data/dffb967ae/7c4de82ec577431bacffe97cef17817d/FLAGaa0dda4d5 [2022-11-22 00:12:59,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/data/dffb967ae/7c4de82ec577431bacffe97cef17817d [2022-11-22 00:12:59,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:12:59,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:12:59,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:12:59,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:12:59,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:12:59,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:12:59" (1/1) ... [2022-11-22 00:12:59,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25eb3922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:59, skipping insertion in model container [2022-11-22 00:12:59,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:12:59" (1/1) ... [2022-11-22 00:12:59,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:12:59,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:13:00,264 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:13:00,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:13:01,002 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:13:01,034 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:13:01,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:13:01,399 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:13:01,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01 WrapperNode [2022-11-22 00:13:01,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:13:01,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:13:01,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:13:01,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:13:01,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,496 INFO L138 Inliner]: procedures = 502, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2022-11-22 00:13:01,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:13:01,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:13:01,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:13:01,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:13:01,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:13:01,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:13:01,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:13:01,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:13:01,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (1/1) ... [2022-11-22 00:13:01,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:13:01,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:13:01,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:13:01,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:13:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-22 00:13:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 00:13:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 00:13:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:13:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:13:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:13:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:13:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:13:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-22 00:13:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-22 00:13:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:13:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 00:13:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:13:01,903 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:13:01,905 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:13:02,210 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:13:02,248 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:13:02,248 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:13:02,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:13:02 BoogieIcfgContainer [2022-11-22 00:13:02,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:13:02,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:13:02,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:13:02,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:13:02,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:12:59" (1/3) ... [2022-11-22 00:13:02,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c5b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:13:02, skipping insertion in model container [2022-11-22 00:13:02,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:01" (2/3) ... [2022-11-22 00:13:02,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c5b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:13:02, skipping insertion in model container [2022-11-22 00:13:02,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:13:02" (3/3) ... [2022-11-22 00:13:02,267 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-22 00:13:02,294 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:13:02,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 00:13:02,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:13:02,388 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;@af9878e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:13:02,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 00:13:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.4) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:13:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 00:13:02,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:13:02,406 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:13:02,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 00:13:02,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:13:02,416 INFO L85 PathProgramCache]: Analyzing trace with hash 810606054, now seen corresponding path program 1 times [2022-11-22 00:13:02,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:13:02,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114416916] [2022-11-22 00:13:02,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:02,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:13:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:13:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:13:02,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:13:02,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114416916] [2022-11-22 00:13:02,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114416916] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:13:02,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855664150] [2022-11-22 00:13:02,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:02,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:13:02,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:13:02,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:13:02,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 00:13:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:13:03,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:13:03,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:13:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:13:03,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:13:03,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855664150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:13:03,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:13:03,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-22 00:13:03,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761378711] [2022-11-22 00:13:03,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:13:03,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:13:03,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:13:03,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:13:03,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:13:03,280 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.4) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 00:13:03,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:13:03,354 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2022-11-22 00:13:03,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:13:03,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2022-11-22 00:13:03,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:13:03,368 INFO L225 Difference]: With dead ends: 44 [2022-11-22 00:13:03,368 INFO L226 Difference]: Without dead ends: 20 [2022-11-22 00:13:03,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:13:03,382 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:13:03,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 48 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:13:03,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-22 00:13:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-22 00:13:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 14 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 00:13:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-11-22 00:13:03,428 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2022-11-22 00:13:03,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:13:03,430 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-11-22 00:13:03,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 00:13:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-11-22 00:13:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 00:13:03,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:13:03,433 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:13:03,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 00:13:03,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:13:03,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 00:13:03,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:13:03,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2012912949, now seen corresponding path program 1 times [2022-11-22 00:13:03,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:13:03,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412521728] [2022-11-22 00:13:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:03,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:13:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:13:03,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 00:13:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:13:03,791 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 00:13:03,792 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 00:13:03,794 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-22 00:13:03,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-22 00:13:03,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:13:03,801 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 00:13:03,806 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:13:03,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:13:03 BoogieIcfgContainer [2022-11-22 00:13:03,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:13:03,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:13:03,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:13:03,864 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:13:03,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:13:02" (3/4) ... [2022-11-22 00:13:03,870 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 00:13:03,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:13:03,872 INFO L158 Benchmark]: Toolchain (without parser) took 4115.35ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 119.8MB in the beginning and 88.7MB in the end (delta: 31.1MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2022-11-22 00:13:03,876 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:13:03,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1643.58ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 119.2MB in the beginning and 154.8MB in the end (delta: -35.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2022-11-22 00:13:03,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.70ms. Allocated memory is still 192.9MB. Free memory was 154.8MB in the beginning and 151.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:13:03,881 INFO L158 Benchmark]: Boogie Preprocessor took 62.15ms. Allocated memory is still 192.9MB. Free memory was 151.6MB in the beginning and 150.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:13:03,881 INFO L158 Benchmark]: RCFGBuilder took 691.73ms. Allocated memory is still 192.9MB. Free memory was 150.6MB in the beginning and 134.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 00:13:03,882 INFO L158 Benchmark]: TraceAbstraction took 1607.47ms. Allocated memory is still 192.9MB. Free memory was 133.8MB in the beginning and 89.8MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-22 00:13:03,885 INFO L158 Benchmark]: Witness Printer took 7.59ms. Allocated memory is still 192.9MB. Free memory was 89.8MB in the beginning and 88.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:13:03,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1643.58ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 119.2MB in the beginning and 154.8MB in the end (delta: -35.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.70ms. Allocated memory is still 192.9MB. Free memory was 154.8MB in the beginning and 151.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.15ms. Allocated memory is still 192.9MB. Free memory was 151.6MB in the beginning and 150.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 691.73ms. Allocated memory is still 192.9MB. Free memory was 150.6MB in the beginning and 134.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1607.47ms. Allocated memory is still 192.9MB. Free memory was 133.8MB in the beginning and 89.8MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 7.59ms. Allocated memory is still 192.9MB. Free memory was 89.8MB in the beginning and 88.7MB in the end (delta: 1.0MB). 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566. 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); [L1586] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1586] RET printLine("Calling bad()...") VAL [\old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, argv={1073741827:1073741826}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1587] CALL CWE190_Integer_Overflow__int_fgets_multiply_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] data = atoi(inputBuffer) [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1574] RET staticReturnsTrue() VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1574] COND TRUE staticReturnsTrue() [L1576] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [data=1073741824, 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: 1578]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 34 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 0.4s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 102 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 3/4 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 [2022-11-22 00:13:03,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba --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 c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db --- 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-b5237d8 [2022-11-22 00:13:06,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:13:06,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:13:06,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:13:06,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:13:06,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:13:06,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:13:06,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:13:06,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:13:06,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:13:06,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:13:06,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:13:06,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:13:06,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:13:06,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:13:06,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:13:06,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:13:06,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:13:06,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:13:06,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:13:06,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:13:06,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:13:06,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:13:06,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:13:06,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:13:06,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:13:06,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:13:06,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:13:06,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:13:06,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:13:06,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:13:06,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:13:06,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:13:06,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:13:06,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:13:06,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:13:06,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:13:06,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:13:06,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:13:06,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:13:06,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:13:06,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-22 00:13:06,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:13:06,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:13:06,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:13:06,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:13:06,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:13:06,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:13:06,865 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:13:06,865 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:13:06,866 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:13:06,866 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:13:06,866 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:13:06,866 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:13:06,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:13:06,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:13:06,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:13:06,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:13:06,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:13:06,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:13:06,869 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 00:13:06,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 00:13:06,869 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:13:06,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 00:13:06,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:13:06,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:13:06,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:13:06,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:13:06,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 00:13:06,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:13:06,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:13:06,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:13:06,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:13:06,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:13:06,872 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 00:13:06,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 00:13:06,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:13:06,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:13:06,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 00:13:06,873 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_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db [2022-11-22 00:13:07,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:13:07,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:13:07,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:13:07,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:13:07,361 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:13:07,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-22 00:13:10,945 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:13:11,496 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:13:11,496 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-22 00:13:11,524 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/data/75a2cdc2c/5c58001d5b914eeb9ac6dc69e207b80a/FLAGb362551a0 [2022-11-22 00:13:11,547 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fae2841-0d23-4def-bcc2-69daeda473f3/bin/utaipan-g80aRyZoba/data/75a2cdc2c/5c58001d5b914eeb9ac6dc69e207b80a [2022-11-22 00:13:11,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:13:11,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:13:11,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:13:11,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:13:11,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:13:11,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:13:11" (1/1) ... [2022-11-22 00:13:11,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d1d929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:11, skipping insertion in model container [2022-11-22 00:13:11,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:13:11" (1/1) ... [2022-11-22 00:13:11,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:13:11,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:13:12,209 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:13:12,517 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 00:13:12,523 INFO L158 Benchmark]: Toolchain (without parser) took 969.47ms. Allocated memory is still 90.2MB. Free memory was 44.3MB in the beginning and 57.3MB in the end (delta: -13.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-11-22 00:13:12,524 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 90.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:13:12,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.64ms. Allocated memory is still 90.2MB. Free memory was 44.0MB in the beginning and 57.3MB in the end (delta: -13.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-11-22 00:13:12,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 90.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.64ms. Allocated memory is still 90.2MB. Free memory was 44.0MB in the beginning and 57.3MB in the end (delta: -13.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.