./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_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_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/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_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/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_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/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 cd8f7b9cbcabfb13547277a41f369f2496b842cfb5d3e1a1eacdab3a7b2fa9c8 --- 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 17:05:42,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:05:42,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:05:42,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:05:42,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:05:42,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:05:42,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:05:42,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:05:42,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:05:42,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:05:42,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:05:42,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:05:42,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:05:42,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:05:42,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:05:42,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:05:42,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:05:42,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:05:42,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:05:42,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:05:42,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:05:42,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:05:42,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:05:42,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:05:42,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:05:42,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:05:42,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:05:42,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:05:42,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:05:42,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:05:42,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:05:42,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:05:42,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:05:42,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:05:42,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:05:42,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:05:42,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:05:42,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:05:42,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:05:42,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:05:42,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:05:42,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:05:42,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:05:42,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:05:42,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:05:42,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:05:42,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:05:42,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:05:42,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:05:42,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:05:42,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:05:42,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:05:42,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:05:42,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:05:42,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:05:42,323 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:05:42,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:05:42,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:05:42,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:05:42,323 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:05:42,324 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:05:42,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:05:42,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:05:42,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:05:42,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:05:42,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:05:42,325 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:05:42,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:05:42,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:05:42,326 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_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8f7b9cbcabfb13547277a41f369f2496b842cfb5d3e1a1eacdab3a7b2fa9c8 [2022-11-20 17:05:42,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:05:42,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:05:42,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:05:42,682 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:05:42,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:05:42,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 17:05:45,674 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:05:46,058 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:05:46,059 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 17:05:46,093 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/data/75cb4b1b2/bc0462109bb540369116b37bcc231f6a/FLAG022f4c323 [2022-11-20 17:05:46,108 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/data/75cb4b1b2/bc0462109bb540369116b37bcc231f6a [2022-11-20 17:05:46,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:05:46,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:05:46,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:05:46,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:05:46,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:05:46,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:46" (1/1) ... [2022-11-20 17:05:46,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2724d20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:46, skipping insertion in model container [2022-11-20 17:05:46,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:46" (1/1) ... [2022-11-20 17:05:46,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:05:46,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:05:46,617 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:05:47,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:05:47,154 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:05:47,186 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:05:47,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:05:47,406 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:05:47,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47 WrapperNode [2022-11-20 17:05:47,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:05:47,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:05:47,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:05:47,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:05:47,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,491 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-20 17:05:47,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:05:47,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:05:47,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:05:47,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:05:47,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,525 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:05:47,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:05:47,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:05:47,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:05:47,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:47" (1/1) ... [2022-11-20 17:05:47,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:05:47,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:05:47,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:05:47,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:05:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:05:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:05:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:05:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:05:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:05:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:05:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:05:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:05:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:05:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:05:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:05:47,832 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:05:47,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:05:48,033 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:05:48,060 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:05:48,061 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:05:48,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:48 BoogieIcfgContainer [2022-11-20 17:05:48,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:05:48,064 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:05:48,064 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:05:48,074 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:05:48,075 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:48" (1/1) ... [2022-11-20 17:05:48,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:05:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-20 17:05:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-20 17:05:48,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:05:48,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:48,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:48,449 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 17:05:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 21 transitions. [2022-11-20 17:05:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-11-20 17:05:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:05:48,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:48,677 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 17:05:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 26 transitions. [2022-11-20 17:05:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-20 17:05:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:05:48,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:48,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:05:48,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:05:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:05:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:05:48,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:05:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:05:48,850 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-20 17:05:48,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:05:48 ImpRootNode [2022-11-20 17:05:48,889 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:05:48,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:05:48,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:05:48,892 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:05:48,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:48" (3/4) ... [2022-11-20 17:05:48,895 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:05:48,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:05:48,896 INFO L158 Benchmark]: Toolchain (without parser) took 2781.55ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 98.1MB in the end (delta: 37.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-20 17:05:48,897 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 125.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:48,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1289.03ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 91.3MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 17:05:48,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.10ms. Allocated memory is still 176.2MB. Free memory was 91.3MB in the beginning and 88.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:05:48,898 INFO L158 Benchmark]: Boogie Preprocessor took 49.32ms. Allocated memory is still 176.2MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:48,899 INFO L158 Benchmark]: RCFGBuilder took 521.24ms. Allocated memory is still 176.2MB. Free memory was 87.0MB in the beginning and 133.8MB in the end (delta: -46.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-11-20 17:05:48,899 INFO L158 Benchmark]: CodeCheck took 825.62ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 98.9MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 17:05:48,900 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 176.2MB. Free memory was 98.9MB in the beginning and 98.1MB in the end (delta: 793.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:48,905 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 38 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 135 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, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 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 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticFive = 5; [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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=18, argc=18, argv={19:12}, argv={19:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1579] CALL CWE191_Integer_Underflow__int_fgets_sub_07_bad() [L1551] int data; [L1552] 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, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1567] COND TRUE staticFive==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1570] data - 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 125.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1289.03ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 91.3MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.10ms. Allocated memory is still 176.2MB. Free memory was 91.3MB in the beginning and 88.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.32ms. Allocated memory is still 176.2MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 521.24ms. Allocated memory is still 176.2MB. Free memory was 87.0MB in the beginning and 133.8MB in the end (delta: -46.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * CodeCheck took 825.62ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 98.9MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 176.2MB. Free memory was 98.9MB in the beginning and 98.1MB in the end (delta: 793.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 17:05:48,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/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_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/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_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/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 cd8f7b9cbcabfb13547277a41f369f2496b842cfb5d3e1a1eacdab3a7b2fa9c8 --- 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 17:05:51,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:05:51,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:05:51,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:05:51,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:05:51,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:05:51,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:05:51,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:05:51,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:05:51,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:05:51,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:05:51,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:05:51,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:05:51,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:05:51,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:05:51,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:05:51,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:05:51,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:05:51,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:05:51,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:05:51,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:05:51,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:05:51,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:05:51,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:05:51,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:05:51,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:05:51,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:05:51,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:05:51,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:05:51,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:05:51,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:05:51,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:05:51,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:05:51,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:05:51,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:05:51,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:05:51,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:05:51,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:05:51,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:05:51,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:05:51,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:05:51,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:05:51,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:05:51,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:05:51,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:05:51,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:05:51,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:05:51,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:05:51,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:05:51,472 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:05:51,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:05:51,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:05:51,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:05:51,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:05:51,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:05:51,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:05:51,475 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:05:51,475 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:05:51,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:05:51,475 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:05:51,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:05:51,476 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:05:51,476 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:05:51,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:05:51,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:05:51,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:05:51,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:05:51,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:05:51,477 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:05:51,478 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:05:51,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:05:51,478 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:05:51,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:05:51,479 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_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8f7b9cbcabfb13547277a41f369f2496b842cfb5d3e1a1eacdab3a7b2fa9c8 [2022-11-20 17:05:51,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:05:51,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:05:51,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:05:51,900 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:05:51,901 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:05:51,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 17:05:55,140 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:05:55,478 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:05:55,479 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 17:05:55,507 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/data/1e8903595/0f357b4a26634e628fa8ceb10857fd82/FLAG0e2265012 [2022-11-20 17:05:55,527 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d84aeeb-93b3-496e-ac11-f3a9a793fcb7/bin/ukojak-pZX7IvK2PQ/data/1e8903595/0f357b4a26634e628fa8ceb10857fd82 [2022-11-20 17:05:55,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:05:55,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:05:55,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:05:55,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:05:55,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:05:55,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:55" (1/1) ... [2022-11-20 17:05:55,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e922cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:55, skipping insertion in model container [2022-11-20 17:05:55,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:55" (1/1) ... [2022-11-20 17:05:55,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:05:55,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:05:56,025 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:05:56,277 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 17:05:56,284 INFO L158 Benchmark]: Toolchain (without parser) took 751.63ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.8MB in the beginning and 48.9MB in the end (delta: -16.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:05:56,285 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:56,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.58ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.6MB in the beginning and 48.9MB in the end (delta: -16.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:05:56,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 747.58ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.6MB in the beginning and 48.9MB in the end (delta: -16.3MB). Peak memory consumption was 6.3MB. 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.