./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 30978c2db0483c54c6d2f4356e79f0aec9e4ab2e170135de47b1918c9a4b19f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:15,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:15,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:25:15,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:15,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:15,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:15,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:15,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:15,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:15,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:15,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:15,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:15,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:15,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:15,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:15,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:15,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:15,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:15,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:15,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:15,442 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:15,443 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:15,443 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:15,444 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:15,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:15,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:15,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:15,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:15,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:15,447 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:15,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:15,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:15,448 INFO L153 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_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30978c2db0483c54c6d2f4356e79f0aec9e4ab2e170135de47b1918c9a4b19f8 [2023-11-21 18:25:15,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:15,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:15,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:15,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:15,748 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:15,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_11_bad.i [2023-11-21 18:25:18,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:19,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:19,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_11_bad.i [2023-11-21 18:25:19,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/data/fe4358512/d2d5c76408e247ab9ef7dffea93d36d6/FLAG50f459270 [2023-11-21 18:25:19,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/data/fe4358512/d2d5c76408e247ab9ef7dffea93d36d6 [2023-11-21 18:25:19,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:19,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:19,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:19,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:19,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:19,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da6388c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19, skipping insertion in model container [2023-11-21 18:25:19,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:20,163 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:25:21,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:21,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:21,655 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:25:21,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:22,198 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:22,199 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:22,199 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:22,199 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:22,199 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:22,200 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:22,207 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:22,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22 WrapperNode [2023-11-21 18:25:22,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:22,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:22,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:22,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:22,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,306 INFO L138 Inliner]: procedures = 938, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-21 18:25:22,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:22,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:22,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:22,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:22,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:22,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:22,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:22,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:22,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:22,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:22,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:22,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:25:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:25:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:25:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:25:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:25:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-21 18:25:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-21 18:25:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:25:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:25:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:22,585 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:22,587 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:22,715 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:22,751 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:22,756 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:25:22,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:22 BoogieIcfgContainer [2023-11-21 18:25:22,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:22,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:22,759 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:22,770 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:22,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:22" (1/1) ... [2023-11-21 18:25:22,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-11-21 18:25:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-21 18:25:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:25:22,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:22,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:23,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-21 18:25:23,329 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-21 18:25:23,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:25:23,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:23,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:25:23,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:25:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:25:23,522 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:25:23,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret182 could not be translated [2023-11-21 18:25:23,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret185 could not be translated [2023-11-21 18:25:23,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:25:23 ImpRootNode [2023-11-21 18:25:23,586 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:25:23,587 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:25:23,587 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:25:23,587 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:25:23,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:22" (3/4) ... [2023-11-21 18:25:23,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:25:23,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:25:23,593 INFO L158 Benchmark]: Toolchain (without parser) took 4066.19ms. Allocated memory is still 192.9MB. Free memory was 148.6MB in the beginning and 92.2MB in the end (delta: 56.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-11-21 18:25:23,593 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory was 78.9MB in the beginning and 78.7MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:23,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2678.69ms. Allocated memory is still 192.9MB. Free memory was 148.3MB in the beginning and 143.6MB in the end (delta: 4.7MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2023-11-21 18:25:23,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.88ms. Allocated memory is still 192.9MB. Free memory was 142.6MB in the beginning and 139.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:25:23,602 INFO L158 Benchmark]: Boogie Preprocessor took 55.02ms. Allocated memory is still 192.9MB. Free memory was 139.4MB in the beginning and 137.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:23,603 INFO L158 Benchmark]: RCFGBuilder took 394.68ms. Allocated memory is still 192.9MB. Free memory was 137.3MB in the beginning and 122.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:25:23,609 INFO L158 Benchmark]: CodeCheck took 827.57ms. Allocated memory is still 192.9MB. Free memory was 122.6MB in the beginning and 93.3MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 18:25:23,611 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 192.9MB. Free memory was 93.3MB in the beginning and 92.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:23,619 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 19 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 101 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, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 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: 1853]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1842. 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); [L1861] 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) [L1861] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1862] CALL CWE190_Integer_Overflow__int_fgets_square_11_bad() [L1834] int data; [L1835] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1836] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] COND TRUE globalReturnsTrue() [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1840] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1842] EXPR data = atoi(inputBuffer) [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1838-L1848] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1850] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1850] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1850] COND TRUE globalReturnsTrue() [L1853] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, 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 0.36ms. Allocated memory is still 132.1MB. Free memory was 78.9MB in the beginning and 78.7MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2678.69ms. Allocated memory is still 192.9MB. Free memory was 148.3MB in the beginning and 143.6MB in the end (delta: 4.7MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.88ms. Allocated memory is still 192.9MB. Free memory was 142.6MB in the beginning and 139.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.02ms. Allocated memory is still 192.9MB. Free memory was 139.4MB in the beginning and 137.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.68ms. Allocated memory is still 192.9MB. Free memory was 137.3MB in the beginning and 122.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 827.57ms. Allocated memory is still 192.9MB. Free memory was 122.6MB in the beginning and 93.3MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 192.9MB. Free memory was 93.3MB in the beginning and 92.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret182 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret185 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:25:23,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 30978c2db0483c54c6d2f4356e79f0aec9e4ab2e170135de47b1918c9a4b19f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:26,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:26,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:25:26,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:26,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:26,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:26,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:26,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:26,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:26,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:26,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:26,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:26,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:26,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:26,742 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:25:26,742 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:25:26,743 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:26,743 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:25:26,744 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:26,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:26,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:26,746 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:26,746 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:26,747 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:26,747 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:26,748 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:25:26,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:26,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:26,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:26,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:26,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:26,752 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:25:26,752 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:26,753 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:26,753 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:25:26,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:25:26,754 INFO L153 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_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30978c2db0483c54c6d2f4356e79f0aec9e4ab2e170135de47b1918c9a4b19f8 [2023-11-21 18:25:27,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:27,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:27,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:27,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:27,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:27,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_11_bad.i [2023-11-21 18:25:30,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:30,878 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:30,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_11_bad.i [2023-11-21 18:25:30,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/data/8b4982f02/037db56a7fbf4587a630b960354a7220/FLAG4f24ecfdf [2023-11-21 18:25:30,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/data/8b4982f02/037db56a7fbf4587a630b960354a7220 [2023-11-21 18:25:30,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:30,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:30,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:30,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:30,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:30,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:30" (1/1) ... [2023-11-21 18:25:30,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e4db85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:30, skipping insertion in model container [2023-11-21 18:25:30,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:30" (1/1) ... [2023-11-21 18:25:31,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:31,581 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:25:32,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:32,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:32,883 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:25:33,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:33,321 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:33,322 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:33,322 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:33,322 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:33,322 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:33,323 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:33,331 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:33,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33 WrapperNode [2023-11-21 18:25:33,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:33,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:33,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:33,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:33,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,423 INFO L138 Inliner]: procedures = 943, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-21 18:25:33,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:33,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:33,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:33,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:33,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:33,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:33,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:33,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:33,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:33,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:33,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:33,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:25:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:25:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:25:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:25:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:25:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:25:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-21 18:25:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-21 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:25:33,859 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:33,861 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:37,858 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:37,903 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:37,909 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:25:37,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:37 BoogieIcfgContainer [2023-11-21 18:25:37,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:37,912 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:37,913 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:37,923 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:37,924 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:37" (1/1) ... [2023-11-21 18:25:37,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-21 18:25:38,001 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-21 18:25:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:25:38,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:38,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:38,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:25:38,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:25:38,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:25:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:38,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:25:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:38,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:38,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:38,338 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:25:38,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-21 18:25:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-21 18:25:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-21 18:25:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:25:38,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:38,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:38,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:25:38,473 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:25:38,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bcc346-730b-4cb0-838c-e10d6b4666e2/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process