./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d64d2712d492162e95e1fa19a934e4cdeb5c33b78ef226bf74551bdc315f4229 --- 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 17:48:09,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:48:09,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:48:09,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:48:09,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:48:09,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:48:09,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:48:09,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:48:09,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:48:09,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:48:09,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:48:09,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:48:09,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:48:09,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:48:09,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:48:09,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:48:09,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:48:09,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:48:09,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:48:09,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:48:09,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:48:09,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:48:09,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:48:09,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:48:09,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:48:09,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:48:09,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:48:09,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:48:09,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:48:09,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:48:09,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:48:09,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:48:09,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:48:09,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:48:09,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:48:09,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:48:09,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:48:09,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:48:09,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:48:09,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:48:09,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:48:09,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:48:09,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:48:09,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:48:09,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:48:09,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:48:09,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:48:09,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:48:09,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:48:09,433 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:48:09,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:48:09,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:48:09,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:48:09,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:48:09,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:48:09,435 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:48:09,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:48:09,435 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:48:09,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:48:09,435 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:48:09,436 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:48:09,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:48:09,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:48:09,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:48:09,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:48:09,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:48:09,437 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:48:09,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:48:09,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:48:09,438 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_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d64d2712d492162e95e1fa19a934e4cdeb5c33b78ef226bf74551bdc315f4229 [2022-11-20 17:48:09,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:48:09,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:48:09,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:48:09,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:48:09,776 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:48:09,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_54_bad.i [2022-11-20 17:48:12,879 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:48:13,323 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:48:13,324 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_54_bad.i [2022-11-20 17:48:13,354 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/data/35ec6b515/193d3d77e0174530a1bc508a3b17ec75/FLAGd77a99e63 [2022-11-20 17:48:13,373 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/data/35ec6b515/193d3d77e0174530a1bc508a3b17ec75 [2022-11-20 17:48:13,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:48:13,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:48:13,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:48:13,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:48:13,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:48:13,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:13" (1/1) ... [2022-11-20 17:48:13,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac645c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:13, skipping insertion in model container [2022-11-20 17:48:13,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:13" (1/1) ... [2022-11-20 17:48:13,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:48:13,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:48:13,867 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:48:14,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:48:14,432 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:48:14,481 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:48:14,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:48:14,770 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:48:14,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14 WrapperNode [2022-11-20 17:48:14,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:48:14,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:48:14,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:48:14,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:48:14,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,835 INFO L138 Inliner]: procedures = 504, calls = 66, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 59 [2022-11-20 17:48:14,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:48:14,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:48:14,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:48:14,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:48:14,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:48:14,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:48:14,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:48:14,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:48:14,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:14" (1/1) ... [2022-11-20 17:48:14,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:48:14,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:48:14,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:48:14,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:48:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:48:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:48:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:48:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:48:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:48:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:48:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:48:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:48:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:48:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:48:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:48:15,099 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:48:15,117 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:48:15,370 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:48:15,438 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:48:15,438 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:48:15,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:15 BoogieIcfgContainer [2022-11-20 17:48:15,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:48:15,454 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:48:15,454 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:48:15,463 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:48:15,463 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:15" (1/1) ... [2022-11-20 17:48:15,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:48:15,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-11-20 17:48:15,531 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-20 17:48:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:48:15,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:15,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:15,952 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 17:48:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-20 17:48:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 17:48:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:48:16,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:16,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:48:16,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:48:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:48:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:48:16,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:48:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:48:16,309 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:48:16,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:48:16 ImpRootNode [2022-11-20 17:48:16,344 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:48:16,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:48:16,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:48:16,345 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:48:16,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:15" (3/4) ... [2022-11-20 17:48:16,348 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:48:16,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:48:16,350 INFO L158 Benchmark]: Toolchain (without parser) took 2970.77ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 107.2MB in the beginning and 99.1MB in the end (delta: 8.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-20 17:48:16,350 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 66.6MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:48:16,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1390.17ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 107.2MB in the beginning and 155.7MB in the end (delta: -48.5MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2022-11-20 17:48:16,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.58ms. Allocated memory is still 190.8MB. Free memory was 155.7MB in the beginning and 153.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:48:16,352 INFO L158 Benchmark]: Boogie Preprocessor took 27.35ms. Allocated memory is still 190.8MB. Free memory was 153.6MB in the beginning and 151.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:48:16,353 INFO L158 Benchmark]: RCFGBuilder took 588.32ms. Allocated memory is still 190.8MB. Free memory was 151.5MB in the beginning and 135.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:48:16,353 INFO L158 Benchmark]: CodeCheck took 890.42ms. Allocated memory is still 190.8MB. Free memory was 135.8MB in the beginning and 100.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 17:48:16,354 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 190.8MB. Free memory was 100.1MB in the beginning and 99.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:48:16,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1592]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=19, argc=19, argv={18:13}, argv={18:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE191_Integer_Underflow__int_fgets_sub_54b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_sub_54c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__int_fgets_sub_54d_badSink(data) [L1587] CALL CWE191_Integer_Underflow__int_fgets_sub_54e_badSink(data) [L1592] data - 1 VAL [\old(data)=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 66.6MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1390.17ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 107.2MB in the beginning and 155.7MB in the end (delta: -48.5MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.58ms. Allocated memory is still 190.8MB. Free memory was 155.7MB in the beginning and 153.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.35ms. Allocated memory is still 190.8MB. Free memory was 153.6MB in the beginning and 151.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.32ms. Allocated memory is still 190.8MB. Free memory was 151.5MB in the beginning and 135.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 890.42ms. Allocated memory is still 190.8MB. Free memory was 135.8MB in the beginning and 100.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 190.8MB. Free memory was 100.1MB in the beginning and 99.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 17:48:16,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d64d2712d492162e95e1fa19a934e4cdeb5c33b78ef226bf74551bdc315f4229 --- 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 17:48:18,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:48:18,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:48:19,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:48:19,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:48:19,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:48:19,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:48:19,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:48:19,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:48:19,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:48:19,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:48:19,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:48:19,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:48:19,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:48:19,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:48:19,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:48:19,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:48:19,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:48:19,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:48:19,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:48:19,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:48:19,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:48:19,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:48:19,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:48:19,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:48:19,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:48:19,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:48:19,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:48:19,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:48:19,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:48:19,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:48:19,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:48:19,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:48:19,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:48:19,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:48:19,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:48:19,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:48:19,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:48:19,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:48:19,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:48:19,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:48:19,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:48:19,149 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:48:19,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:48:19,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:48:19,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:48:19,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:48:19,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:48:19,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:48:19,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:48:19,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:48:19,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:48:19,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:48:19,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:48:19,156 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:48:19,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:48:19,157 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:48:19,157 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:48:19,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:48:19,158 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:48:19,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:48:19,158 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:48:19,158 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:48:19,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:48:19,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:48:19,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:48:19,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:48:19,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:48:19,160 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:48:19,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:48:19,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:48:19,160 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:48:19,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:48:19,161 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_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d64d2712d492162e95e1fa19a934e4cdeb5c33b78ef226bf74551bdc315f4229 [2022-11-20 17:48:19,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:48:19,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:48:19,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:48:19,590 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:48:19,593 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:48:19,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_54_bad.i [2022-11-20 17:48:22,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:48:23,137 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:48:23,137 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_54_bad.i [2022-11-20 17:48:23,159 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/data/b52258204/92b9eb1bf7d14ea184d4aaca64c941f9/FLAG34f635769 [2022-11-20 17:48:23,180 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2bf48-ec54-4455-a7f8-e67982112447/bin/ukojak-pZX7IvK2PQ/data/b52258204/92b9eb1bf7d14ea184d4aaca64c941f9 [2022-11-20 17:48:23,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:48:23,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:48:23,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:48:23,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:48:23,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:48:23,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:23" (1/1) ... [2022-11-20 17:48:23,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7594c79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:23, skipping insertion in model container [2022-11-20 17:48:23,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:23" (1/1) ... [2022-11-20 17:48:23,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:48:23,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:48:23,695 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:48:24,011 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 17:48:24,016 INFO L158 Benchmark]: Toolchain (without parser) took 831.69ms. Allocated memory is still 86.0MB. Free memory was 60.4MB in the beginning and 65.1MB in the end (delta: -4.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-20 17:48:24,017 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:48:24,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.36ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 65.1MB in the end (delta: -4.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-11-20 17:48:24,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.36ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 65.1MB in the end (delta: -4.9MB). Peak memory consumption was 19.7MB. 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.