./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_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_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/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_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/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_780fb8ef-39f6-4f84-8e32-3447b3092553/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 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:50,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:50,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:43:50,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:50,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:50,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:50,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:50,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:50,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:50,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:50,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:50,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:50,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:50,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:50,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:50,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:50,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:50,435 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:50,435 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:50,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:50,436 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:50,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:50,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:50,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:50,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:50,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:50,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:50,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:50,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:50,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:50,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:50,443 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:50,443 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_780fb8ef-39f6-4f84-8e32-3447b3092553/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 [2023-11-21 18:43:50,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:50,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:50,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:50,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:50,793 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:50,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2023-11-21 18:43:54,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:54,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:54,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2023-11-21 18:43:54,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/data/13114d2b2/0174b0085765477984ee45b5965dbc6c/FLAG3cdf1a979 [2023-11-21 18:43:54,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/data/13114d2b2/0174b0085765477984ee45b5965dbc6c [2023-11-21 18:43:54,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:54,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:54,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:54,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:54,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:54,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:54" (1/1) ... [2023-11-21 18:43:54,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621647c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:54, skipping insertion in model container [2023-11-21 18:43:54,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:54" (1/1) ... [2023-11-21 18:43:54,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:55,156 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:43:55,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:55,812 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:55,832 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:43:55,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:56,018 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:56,018 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:56,018 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:56,018 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:56,019 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:56,027 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:56,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56 WrapperNode [2023-11-21 18:43:56,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:56,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:56,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:56,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:56,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,136 INFO L138 Inliner]: procedures = 499, calls = 73, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-11-21 18:43:56,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:56,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:56,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:56,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:56,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:56,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:56,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:56,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:56,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:56,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:56,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:56,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:43:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:43:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-21 18:43:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-21 18:43:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:43:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:43:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:43:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:43:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:43:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:56,527 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:56,529 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:56,690 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:56,743 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:56,743 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:43:56,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:56 BoogieIcfgContainer [2023-11-21 18:43:56,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:56,747 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:56,747 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:56,758 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:56,759 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-21 18:43:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-21 18:43:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:43:56,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:56,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:43:57,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:43:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:43:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:43:57,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:43:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:43:57,360 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:43:57,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated [2023-11-21 18:43:57,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated [2023-11-21 18:43:57,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-21 18:43:57,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-21 18:43:57,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:43:57 ImpRootNode [2023-11-21 18:43:57,416 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:43:57,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:43:57,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:43:57,420 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:43:57,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:56" (3/4) ... [2023-11-21 18:43:57,424 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:43:57,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated [2023-11-21 18:43:57,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated [2023-11-21 18:43:57,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-21 18:43:57,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-21 18:43:57,476 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:43:57,477 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:43:57,478 INFO L158 Benchmark]: Toolchain (without parser) took 2871.63ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 82.8MB in the beginning and 93.6MB in the end (delta: -10.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:57,478 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 94.4MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:57,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1418.18ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 59.4MB in the end (delta: 23.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:57,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.82ms. Allocated memory is still 132.1MB. Free memory was 59.4MB in the beginning and 56.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:43:57,480 INFO L158 Benchmark]: Boogie Preprocessor took 59.28ms. Allocated memory is still 132.1MB. Free memory was 56.5MB in the beginning and 54.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:57,481 INFO L158 Benchmark]: RCFGBuilder took 548.08ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 54.5MB in the beginning and 118.7MB in the end (delta: -64.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:43:57,482 INFO L158 Benchmark]: CodeCheck took 669.17ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 96.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:43:57,482 INFO L158 Benchmark]: Witness Printer took 60.53ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 93.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:43:57,486 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 1563]: integer overflow possible integer overflow possible We found a 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); [L1585] 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={3:0}] [L1414] COND TRUE line != ((void *)0) [L1585] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={13:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1586] CALL CWE191_Integer_Underflow__int_fscanf_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={626:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={626:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={626:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={626:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={626:0}, 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 94.4MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1418.18ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 59.4MB in the end (delta: 23.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.82ms. Allocated memory is still 132.1MB. Free memory was 59.4MB in the beginning and 56.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.28ms. Allocated memory is still 132.1MB. Free memory was 56.5MB in the beginning and 54.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.08ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 54.5MB in the beginning and 118.7MB in the end (delta: -64.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 669.17ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 96.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 60.53ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 93.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:43:57,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780fb8ef-39f6-4f84-8e32-3447b3092553/bin/ukojak-verify-i0I2FZA1j2/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)