./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_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_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/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_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/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_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/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 49861627f3135d5ed7712c25da7d766e2d52c7344ae0b2f3f720b4cb2e0b4f65 --- 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 20:39:00,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:39:00,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:39:00,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:39:00,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:39:00,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:39:00,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:39:00,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:39:00,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:39:00,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:39:00,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:39:00,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:39:00,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:39:00,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:39:00,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:39:00,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:39:00,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:39:00,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:39:00,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:39:00,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:39:00,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:39:00,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:39:00,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:39:00,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:39:00,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:39:00,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:39:00,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:39:00,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:39:00,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:39:00,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:39:00,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:39:00,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:39:00,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:39:00,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:39:00,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:39:00,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:39:00,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:39:00,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:39:00,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:39:00,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:39:00,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:39:00,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 20:39:00,667 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:39:00,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:39:00,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:39:00,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:39:00,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:39:00,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:39:00,669 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:39:00,672 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:39:00,672 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:39:00,672 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:39:00,673 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:39:00,673 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:39:00,673 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:39:00,673 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:39:00,673 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:39:00,674 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:39:00,674 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:39:00,674 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:39:00,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:39:00,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:39:00,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:39:00,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:39:00,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:39:00,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:39:00,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:39:00,676 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:39:00,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:39:00,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:39:00,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:39:00,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:39:00,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:39:00,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:39:00,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:39:00,677 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:39:00,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:39:00,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:39:00,678 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:39:00,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:39:00,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:39:00,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:39:00,679 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_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49861627f3135d5ed7712c25da7d766e2d52c7344ae0b2f3f720b4cb2e0b4f65 [2022-11-20 20:39:00,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:39:00,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:39:00,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:39:00,952 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:39:00,953 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:39:00,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i [2022-11-20 20:39:04,072 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:39:04,485 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:39:04,486 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i [2022-11-20 20:39:04,505 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/data/e1f2a2204/e1da967f015e41248bf1647be91843a2/FLAGad92e870b [2022-11-20 20:39:04,523 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/data/e1f2a2204/e1da967f015e41248bf1647be91843a2 [2022-11-20 20:39:04,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:39:04,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:39:04,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:39:04,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:39:04,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:39:04,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:39:04" (1/1) ... [2022-11-20 20:39:04,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5a0484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:04, skipping insertion in model container [2022-11-20 20:39:04,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:39:04" (1/1) ... [2022-11-20 20:39:04,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:39:04,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:39:05,002 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 20:39:05,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:39:05,574 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:39:05,608 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 20:39:05,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:39:05,867 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:39:05,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05 WrapperNode [2022-11-20 20:39:05,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:39:05,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:39:05,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:39:05,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:39:05,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,952 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-20 20:39:05,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:39:05,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:39:05,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:39:05,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:39:05,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:39:05,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:39:05,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:39:05,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:39:05,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (1/1) ... [2022-11-20 20:39:05,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:39:06,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:39:06,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:39:06,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:39:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 20:39:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 20:39:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 20:39:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:39:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 20:39:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:39:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:39:06,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:39:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:39:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 20:39:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:39:06,222 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:39:06,225 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:39:06,399 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:39:06,461 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:39:06,461 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 20:39:06,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:39:06 BoogieIcfgContainer [2022-11-20 20:39:06,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:39:06,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:39:06,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:39:06,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:39:06,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:39:04" (1/3) ... [2022-11-20 20:39:06,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ec1e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:39:06, skipping insertion in model container [2022-11-20 20:39:06,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:05" (2/3) ... [2022-11-20 20:39:06,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ec1e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:39:06, skipping insertion in model container [2022-11-20 20:39:06,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:39:06" (3/3) ... [2022-11-20 20:39:06,485 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i [2022-11-20 20:39:06,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:39:06,510 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 20:39:06,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:39:06,588 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;@58040f8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:39:06,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 20:39:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:39:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 20:39:06,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:39:06,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:39:06,601 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 20:39:06,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:39:06,607 INFO L85 PathProgramCache]: Analyzing trace with hash -555669604, now seen corresponding path program 1 times [2022-11-20 20:39:06,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:39:06,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121265797] [2022-11-20 20:39:06,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:39:06,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:39:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:39:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:39:06,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:39:06,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121265797] [2022-11-20 20:39:06,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121265797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:39:06,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:39:06,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:39:06,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31494463] [2022-11-20 20:39:06,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:39:06,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 20:39:06,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:39:06,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 20:39:06,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:39:06,904 INFO L87 Difference]: Start difference. First operand has 18 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:39:06,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:39:06,970 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-20 20:39:06,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 20:39:06,973 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2022-11-20 20:39:06,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:39:06,980 INFO L225 Difference]: With dead ends: 29 [2022-11-20 20:39:06,981 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 20:39:06,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:39:06,991 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:39:06,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:39:07,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 20:39:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-20 20:39:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 11 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:39:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-20 20:39:07,030 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 8 [2022-11-20 20:39:07,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:39:07,032 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-20 20:39:07,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:39:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 20:39:07,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 20:39:07,034 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:39:07,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:39:07,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:39:07,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 20:39:07,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:39:07,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1432174889, now seen corresponding path program 1 times [2022-11-20 20:39:07,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:39:07,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968836517] [2022-11-20 20:39:07,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:39:07,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:39:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:39:07,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 20:39:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:39:07,133 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 20:39:07,133 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 20:39:07,135 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 20:39:07,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 20:39:07,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:39:07,142 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 20:39:07,146 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:39:07,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:39:07 BoogieIcfgContainer [2022-11-20 20:39:07,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:39:07,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:39:07,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:39:07,173 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:39:07,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:39:06" (3/4) ... [2022-11-20 20:39:07,177 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 20:39:07,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:39:07,178 INFO L158 Benchmark]: Toolchain (without parser) took 2650.71ms. Allocated memory is still 197.1MB. Free memory was 166.5MB in the beginning and 117.9MB in the end (delta: 48.6MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-11-20 20:39:07,179 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:39:07,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1335.99ms. Allocated memory is still 197.1MB. Free memory was 166.0MB in the beginning and 104.6MB in the end (delta: 61.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 20:39:07,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.51ms. Allocated memory is still 197.1MB. Free memory was 104.6MB in the beginning and 164.1MB in the end (delta: -59.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-20 20:39:07,181 INFO L158 Benchmark]: Boogie Preprocessor took 27.88ms. Allocated memory is still 197.1MB. Free memory was 164.1MB in the beginning and 163.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:39:07,181 INFO L158 Benchmark]: RCFGBuilder took 481.79ms. Allocated memory is still 197.1MB. Free memory was 163.0MB in the beginning and 148.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:39:07,182 INFO L158 Benchmark]: TraceAbstraction took 705.80ms. Allocated memory is still 197.1MB. Free memory was 147.3MB in the beginning and 117.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 20:39:07,182 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 197.1MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:39:07,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1335.99ms. Allocated memory is still 197.1MB. Free memory was 166.0MB in the beginning and 104.6MB in the end (delta: 61.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.51ms. Allocated memory is still 197.1MB. Free memory was 104.6MB in the beginning and 164.1MB in the end (delta: -59.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.88ms. Allocated memory is still 197.1MB. Free memory was 164.1MB in the beginning and 163.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 481.79ms. Allocated memory is still 197.1MB. Free memory was 163.0MB in the beginning and 148.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 705.80ms. Allocated memory is still 197.1MB. Free memory was 147.3MB in the beginning and 117.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 197.1MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1578] 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) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_03_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] 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] [L1568] 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] [L1570] 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 20:39:07,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/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_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/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 49861627f3135d5ed7712c25da7d766e2d52c7344ae0b2f3f720b4cb2e0b4f65 --- 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 20:39:09,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:39:09,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:39:09,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:39:09,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:39:09,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:39:09,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:39:09,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:39:09,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:39:09,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:39:09,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:39:09,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:39:09,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:39:09,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:39:09,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:39:09,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:39:09,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:39:09,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:39:09,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:39:09,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:39:09,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:39:09,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:39:09,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:39:09,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:39:09,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:39:09,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:39:09,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:39:09,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:39:09,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:39:09,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:39:09,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:39:09,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:39:09,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:39:09,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:39:09,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:39:09,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:39:09,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:39:09,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:39:09,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:39:09,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:39:09,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:39:09,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-20 20:39:09,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:39:09,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:39:09,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:39:09,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:39:09,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:39:09,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:39:09,839 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:39:09,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:39:09,839 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:39:09,840 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:39:09,841 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:39:09,841 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:39:09,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:39:09,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:39:09,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:39:09,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:39:09,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:39:09,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:39:09,843 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:39:09,843 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 20:39:09,843 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:39:09,844 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 20:39:09,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:39:09,844 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:39:09,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:39:09,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:39:09,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 20:39:09,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:39:09,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:39:09,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:39:09,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:39:09,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:39:09,846 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 20:39:09,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 20:39:09,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:39:09,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:39:09,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 20:39:09,847 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_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49861627f3135d5ed7712c25da7d766e2d52c7344ae0b2f3f720b4cb2e0b4f65 [2022-11-20 20:39:10,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:39:10,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:39:10,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:39:10,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:39:10,259 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:39:10,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i [2022-11-20 20:39:13,331 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:39:13,774 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:39:13,774 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i [2022-11-20 20:39:13,805 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/data/ee80d746e/8e4fd55b175c4e46885932543e07286e/FLAGd48605bb7 [2022-11-20 20:39:13,832 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc614d9e-5078-4ef9-bc6a-1d52ac5f32bc/bin/utaipan-6cKwYrpEi9/data/ee80d746e/8e4fd55b175c4e46885932543e07286e [2022-11-20 20:39:13,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:39:13,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:39:13,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:39:13,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:39:13,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:39:13,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:39:13" (1/1) ... [2022-11-20 20:39:13,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dbbb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:39:13, skipping insertion in model container [2022-11-20 20:39:13,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:39:13" (1/1) ... [2022-11-20 20:39:13,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:39:13,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:39:14,367 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 20:39:14,625 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) [2022-11-20 20:39:14,632 INFO L158 Benchmark]: Toolchain (without parser) took 793.77ms. Allocated memory is still 77.6MB. Free memory was 49.8MB in the beginning and 34.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:39:14,633 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:39:14,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.85ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 34.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:39:14,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.85ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 34.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. 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.