./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9 --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 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:51:49,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:51:49,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:51:49,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:51:49,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:51:49,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:51:49,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:51:49,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:51:49,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:51:49,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:51:49,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:51:49,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:51:49,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:51:49,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:51:49,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:51:49,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:51:49,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:51:49,287 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:51:49,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:51:49,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:51:49,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:51:49,290 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:51:49,291 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:51:49,291 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:51:49,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:51:49,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:51:49,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:51:49,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:51:49,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:51:49,293 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:51:49,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:51:49,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:51:49,294 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_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef [2023-12-03 03:51:49,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:51:49,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:51:49,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:51:49,545 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:51:49,546 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:51:49,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i [2023-12-03 03:51:52,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:51:52,508 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:51:52,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i [2023-12-03 03:51:52,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/data/0d4d28922/bb95ccd0a38b4d22a3ca43c6dbec0de1/FLAGe7eec5fb7 [2023-12-03 03:51:52,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/data/0d4d28922/bb95ccd0a38b4d22a3ca43c6dbec0de1 [2023-12-03 03:51:52,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:51:52,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:51:52,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:51:52,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:51:52,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:51:52,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:51:52" (1/1) ... [2023-12-03 03:51:52,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2688ad00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:52, skipping insertion in model container [2023-12-03 03:51:52,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:51:52" (1/1) ... [2023-12-03 03:51:52,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:51:53,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:51:53,322 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:51:53,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:51:53,562 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:53,562 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:53,562 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:53,562 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:53,563 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:53,570 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:51:53,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53 WrapperNode [2023-12-03 03:51:53,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:51:53,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:51:53,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:51:53,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:51:53,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,623 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-12-03 03:51:53,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:51:53,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:51:53,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:51:53,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:51:53,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:51:53,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:51:53,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:51:53,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:51:53,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:53,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:51:53,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:51:53,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:51:53,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:51:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:51:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:51:53,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:51:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:51:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 03:51:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:51:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:51:53,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:51:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:51:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:51:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:51:53,844 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:51:53,846 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:51:53,952 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:51:53,988 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:51:53,988 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:51:53,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:51:53 BoogieIcfgContainer [2023-12-03 03:51:53,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:51:53,991 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:51:53,991 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:51:53,999 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:51:53,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:51:53" (1/1) ... [2023-12-03 03:51:54,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:51:54,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:54,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-03 03:51:54,052 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-03 03:51:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:51:54,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:54,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-03 03:51:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-03 03:51:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:51:54,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:54,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:51:54,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:51:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:51:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:51:54,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:51:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:51:54,511 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:51:54,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 03:51:54,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:51:54 ImpRootNode [2023-12-03 03:51:54,542 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:51:54,543 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:51:54,543 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:51:54,543 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:51:54,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:51:53" (3/4) ... [2023-12-03 03:51:54,545 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:51:54,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:51:54,547 INFO L158 Benchmark]: Toolchain (without parser) took 1998.46ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 98.3MB in the beginning and 114.0MB in the end (delta: -15.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:51:54,548 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:51:54,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.84ms. Allocated memory is still 138.4MB. Free memory was 98.0MB in the beginning and 75.6MB in the end (delta: 22.4MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-12-03 03:51:54,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.31ms. Allocated memory is still 138.4MB. Free memory was 75.6MB in the beginning and 72.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:51:54,550 INFO L158 Benchmark]: Boogie Preprocessor took 26.69ms. Allocated memory is still 138.4MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:54,550 INFO L158 Benchmark]: RCFGBuilder took 339.04ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 56.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:51:54,551 INFO L158 Benchmark]: CodeCheck took 550.86ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 56.1MB in the beginning and 114.0MB in the end (delta: -57.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:51:54,552 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 167.8MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:51:54,555 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 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581. 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 badStatic = 0; [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=19, argc=19, argv={18:28}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1566] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] EXPR data = atoi(inputBuffer) [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564-L1574] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1575] badStatic = 1 [L1576] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, badStatic=1, data=1073741824, 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 0.20ms. Allocated memory is still 111.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.84ms. Allocated memory is still 138.4MB. Free memory was 98.0MB in the beginning and 75.6MB in the end (delta: 22.4MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.31ms. Allocated memory is still 138.4MB. Free memory was 75.6MB in the beginning and 72.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.69ms. Allocated memory is still 138.4MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.04ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 56.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 550.86ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 56.1MB in the beginning and 114.0MB in the end (delta: -57.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 167.8MB. Free memory is still 114.0MB. 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: unknown boogie variable #t~nondet102 - 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 [2023-12-03 03:51:54,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/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_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9 --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 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:51:56,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:51:56,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:51:56,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:51:56,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:51:56,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:51:56,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:51:56,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:51:56,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:51:56,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:51:56,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:51:56,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:51:56,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:51:56,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:51:56,627 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:51:56,627 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:51:56,628 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:51:56,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:51:56,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:51:56,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:51:56,630 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:51:56,633 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:51:56,633 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:51:56,634 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:51:56,634 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:56,635 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:51:56,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:51:56,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:51:56,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:51:56,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:51:56,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:51:56,637 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:51:56,637 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:56,638 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:51:56,638 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:51:56,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:51:56,638 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_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef [2023-12-03 03:51:56,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:51:56,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:51:56,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:51:56,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:51:56,947 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:51:56,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i [2023-12-03 03:51:59,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:52:00,058 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:52:00,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i [2023-12-03 03:52:00,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/data/cbe5f71bc/df1c349301214580bb1715b23933570b/FLAG1c0553cac [2023-12-03 03:52:00,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/data/cbe5f71bc/df1c349301214580bb1715b23933570b [2023-12-03 03:52:00,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:52:00,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:52:00,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:52:00,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:52:00,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:52:00,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:52:00" (1/1) ... [2023-12-03 03:52:00,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee03bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:00, skipping insertion in model container [2023-12-03 03:52:00,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:52:00" (1/1) ... [2023-12-03 03:52:00,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:52:01,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:52:01,172 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:52:01,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:52:01,357 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:52:01,358 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:52:01,358 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:52:01,358 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:52:01,358 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:52:01,364 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:52:01,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01 WrapperNode [2023-12-03 03:52:01,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:52:01,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:52:01,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:52:01,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:52:01,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,420 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-12-03 03:52:01,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:52:01,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:52:01,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:52:01,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:52:01,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:52:01,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:52:01,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:52:01,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:52:01,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:52:01,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:52:01,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:52:01,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:52:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:52:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:52:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:52:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:52:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:52:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:52:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:52:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:52:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:52:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:52:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 03:52:01,666 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:52:01,668 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:52:01,803 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:52:01,841 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:52:01,841 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:52:01,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:52:01 BoogieIcfgContainer [2023-12-03 03:52:01,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:52:01,844 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:52:01,844 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:52:01,854 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:52:01,854 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:52:01" (1/1) ... [2023-12-03 03:52:01,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:52:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:01,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-03 03:52:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-03 03:52:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:52:01,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:01,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:01,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:01,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:01,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:52:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:02,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:02,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:52:02,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:52:02,220 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:52:02,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:52:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-03 03:52:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-03 03:52:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:52:02,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:02,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:02,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:02,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:02,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:52:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:52:02,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:52:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:52:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:52:02,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:52:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:52:02,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:52:02,663 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:52:02,664 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:52:02,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 03:52:02,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:52:02 ImpRootNode [2023-12-03 03:52:02,692 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:52:02,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:52:02,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:52:02,693 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:52:02,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:52:01" (3/4) ... [2023-12-03 03:52:02,695 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:52:02,696 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:52:02,697 INFO L158 Benchmark]: Toolchain (without parser) took 2414.50ms. Allocated memory is still 107.0MB. Free memory was 79.1MB in the beginning and 50.5MB in the end (delta: 28.6MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-12-03 03:52:02,697 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:52:02,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1082.32ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 70.6MB in the end (delta: 8.2MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-12-03 03:52:02,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.34ms. Allocated memory is still 107.0MB. Free memory was 70.6MB in the beginning and 67.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:52:02,698 INFO L158 Benchmark]: Boogie Preprocessor took 33.78ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 65.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:52:02,699 INFO L158 Benchmark]: RCFGBuilder took 388.00ms. Allocated memory is still 107.0MB. Free memory was 65.3MB in the beginning and 48.0MB in the end (delta: 17.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:52:02,700 INFO L158 Benchmark]: CodeCheck took 848.36ms. Allocated memory is still 107.0MB. Free memory was 48.0MB in the beginning and 50.5MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:52:02,700 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 107.0MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:52:02,703 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 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581. 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 badStatic = 0; [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1566] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] EXPR data = atoi(inputBuffer) [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564-L1574] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1575] badStatic = 1 [L1576] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, badStatic=1, data=1073741824, 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 0.20ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1082.32ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 70.6MB in the end (delta: 8.2MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.34ms. Allocated memory is still 107.0MB. Free memory was 70.6MB in the beginning and 67.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.78ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 65.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.00ms. Allocated memory is still 107.0MB. Free memory was 65.3MB in the beginning and 48.0MB in the end (delta: 17.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 848.36ms. Allocated memory is still 107.0MB. Free memory was 48.0MB in the beginning and 50.5MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 107.0MB. Free memory is still 50.5MB. 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: unknown boogie variable #t~nondet100 - 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 [2023-12-03 03:52:02,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc815f3-7245-416b-943f-3fbaa5b38da9/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample