./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL --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 8a6319d29c4ee33baf4fabdc9b0e79918dc8adba2c58c897b591a4b9e24b6c36 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:24:49,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:49,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:24:49,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:24:49,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:24:49,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:49,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:24:49,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:24:49,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:49,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:49,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:49,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:24:49,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:24:49,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:49,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:24:49,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:49,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:24:49,433 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:24:49,433 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:24:49,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:24:49,434 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:49,435 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:49,436 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:49,436 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:49,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:49,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:49,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:49,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:49,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:24:49,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:24:49,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:24:49,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:24:49,442 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_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6319d29c4ee33baf4fabdc9b0e79918dc8adba2c58c897b591a4b9e24b6c36 [2023-11-19 03:24:49,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:49,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:49,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:49,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:49,781 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:49,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i [2023-11-19 03:24:53,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:53,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:53,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i [2023-11-19 03:24:53,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/data/e1e08b8fd/edf8652073f24b2fb09387a4154d12ad/FLAGfe11c19a1 [2023-11-19 03:24:53,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/data/e1e08b8fd/edf8652073f24b2fb09387a4154d12ad [2023-11-19 03:24:53,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:53,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:53,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:53,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:53,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:53,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1645e2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53, skipping insertion in model container [2023-11-19 03:24:53,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:54,286 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:55,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:55,262 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:55,287 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:55,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:55,514 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:55,514 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:55,514 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:55,515 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:55,515 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:55,515 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:55,515 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:55,523 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:55,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55 WrapperNode [2023-11-19 03:24:55,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:55,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:55,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:55,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:55,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,594 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2023-11-19 03:24:55,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:55,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:55,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:55,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:55,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:55,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:55,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:55,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:55,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:55" (1/1) ... [2023-11-19 03:24:55,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:55,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:55,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:55,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:24:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:24:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:24:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:24:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:24:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:24:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:24:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:24:55,867 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:55,869 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:55,997 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:56,072 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:56,072 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:24:56,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:56 BoogieIcfgContainer [2023-11-19 03:24:56,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:56,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:56,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:56,089 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:56,089 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:56" (1/1) ... [2023-11-19 03:24:56,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:24:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:24:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:24:56,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:56,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:24:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:24:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:24:56,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:56,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:56,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:56,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:56,984 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:24:57,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:24:57 ImpRootNode [2023-11-19 03:24:57,039 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:24:57,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:24:57,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:24:57,041 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:24:57,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:56" (3/4) ... [2023-11-19 03:24:57,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:24:57,048 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:24:57,050 INFO L158 Benchmark]: Toolchain (without parser) took 3293.49ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 105.7MB in the beginning and 138.9MB in the end (delta: -33.2MB). Peak memory consumption was 56.1kB. Max. memory is 16.1GB. [2023-11-19 03:24:57,051 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:57,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1767.30ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 105.7MB in the beginning and 130.3MB in the end (delta: -24.7MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2023-11-19 03:24:57,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.33ms. Allocated memory is still 186.6MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:57,054 INFO L158 Benchmark]: Boogie Preprocessor took 31.99ms. Allocated memory is still 186.6MB. Free memory was 127.3MB in the beginning and 125.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:57,055 INFO L158 Benchmark]: RCFGBuilder took 452.39ms. Allocated memory is still 186.6MB. Free memory was 125.2MB in the beginning and 109.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:24:57,061 INFO L158 Benchmark]: CodeCheck took 958.36ms. Allocated memory is still 186.6MB. Free memory was 109.6MB in the beginning and 138.9MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:57,062 INFO L158 Benchmark]: Witness Printer took 8.02ms. Allocated memory is still 186.6MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:57,071 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:18}, argv={12:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_preinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_preinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CALL funcPtr(data) [L1578] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, 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 0.46ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1767.30ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 105.7MB in the beginning and 130.3MB in the end (delta: -24.7MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.33ms. Allocated memory is still 186.6MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.99ms. Allocated memory is still 186.6MB. Free memory was 127.3MB in the beginning and 125.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.39ms. Allocated memory is still 186.6MB. Free memory was 125.2MB in the beginning and 109.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 958.36ms. Allocated memory is still 186.6MB. Free memory was 109.6MB in the beginning and 138.9MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.02ms. Allocated memory is still 186.6MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:24:57,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL --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 8a6319d29c4ee33baf4fabdc9b0e79918dc8adba2c58c897b591a4b9e24b6c36 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:00,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:00,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:25:00,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:00,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:25:00,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:25:00,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:00,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:00,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:00,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:25:00,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:00,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:25:00,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:00,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:25:00,465 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:25:00,465 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:25:00,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:25:00,466 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:25:00,467 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:25:00,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:25:00,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:00,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:00,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:00,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:00,472 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:00,472 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:25:00,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:00,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:00,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:00,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:00,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:25:00,476 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:25:00,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:00,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:25:00,477 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:25:00,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:25:00,478 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_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6319d29c4ee33baf4fabdc9b0e79918dc8adba2c58c897b591a4b9e24b6c36 [2023-11-19 03:25:00,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:01,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:01,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:01,017 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:01,018 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:01,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i [2023-11-19 03:25:04,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:04,841 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:04,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i [2023-11-19 03:25:04,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/data/5817b4d78/80b0272ae6c5493885fa14e014736f70/FLAG8af972e0e [2023-11-19 03:25:04,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/data/5817b4d78/80b0272ae6c5493885fa14e014736f70 [2023-11-19 03:25:04,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:04,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:04,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:04,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:04,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:04,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:04" (1/1) ... [2023-11-19 03:25:04,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256f35f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:04, skipping insertion in model container [2023-11-19 03:25:04,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:04" (1/1) ... [2023-11-19 03:25:05,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:05,513 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:25:06,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:06,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:06,241 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:25:06,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:06,634 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:06,635 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:06,635 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:06,635 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:06,636 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:06,636 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:06,636 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:06,645 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:06,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06 WrapperNode [2023-11-19 03:25:06,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:06,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:06,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:06,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:06,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,764 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2023-11-19 03:25:06,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:06,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:06,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:06,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:06,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:06,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:06,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:06,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:06,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:06" (1/1) ... [2023-11-19 03:25:06,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:06,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:06,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:06,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:25:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:25:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:25:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:25:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:25:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:25:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:25:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:25:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:25:07,176 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:07,178 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:07,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:07,496 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:07,496 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:25:07,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:07 BoogieIcfgContainer [2023-11-19 03:25:07,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:07,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:07,505 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:07,516 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:07,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:07" (1/1) ... [2023-11-19 03:25:07,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:25:07,615 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:25:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:25:07,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:07,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:07,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:07,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:07,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:25:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:07,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:25:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:07,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:25:07,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:07,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:07,942 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:25:07,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:25:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:25:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:25:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:25:07,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:07,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:07,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:07,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:08,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:25:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:08,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:08,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:08,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:25:08,473 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:25:08,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:25:08 ImpRootNode [2023-11-19 03:25:08,509 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:25:08,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:25:08,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:25:08,510 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:25:08,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:07" (3/4) ... [2023-11-19 03:25:08,513 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:25:08,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:25:08,515 INFO L158 Benchmark]: Toolchain (without parser) took 3610.97ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 45.3MB in the beginning and 60.3MB in the end (delta: -15.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-19 03:25:08,516 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 101.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:08,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1741.35ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.1MB in the beginning and 48.5MB in the end (delta: -3.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-11-19 03:25:08,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.02ms. Allocated memory is still 88.1MB. Free memory was 48.5MB in the beginning and 45.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:25:08,525 INFO L158 Benchmark]: Boogie Preprocessor took 54.66ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:08,526 INFO L158 Benchmark]: RCFGBuilder took 681.43ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 47.6MB in the end (delta: -4.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-19 03:25:08,528 INFO L158 Benchmark]: CodeCheck took 1004.56ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.2MB in the beginning and 60.6MB in the end (delta: -13.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-19 03:25:08,530 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 107.0MB. Free memory was 60.6MB in the beginning and 60.3MB in the end (delta: 335.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:08,539 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 1 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1570] 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}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_preinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_preinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CALL funcPtr(data) [L1578] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, 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 0.79ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 101.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1741.35ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.1MB in the beginning and 48.5MB in the end (delta: -3.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.02ms. Allocated memory is still 88.1MB. Free memory was 48.5MB in the beginning and 45.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.66ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.43ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 47.6MB in the end (delta: -4.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 1004.56ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.2MB in the beginning and 60.6MB in the end (delta: -13.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 107.0MB. Free memory was 60.6MB in the beginning and 60.3MB in the end (delta: 335.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:25:08,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92664f27-2bd3-4951-a507-bf14c13ae552/bin/ukojak-verify-G8NBE6pJGL/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 Result: UNKNOWN: Overapproximated counterexample