./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC --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 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:05,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:05,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:07:05,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:05,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:05,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:05,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:05,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:05,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:05,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:05,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:05,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:05,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:05,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:05,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:05,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:05,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:05,931 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:05,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:05,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:05,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:05,934 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:05,934 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:05,935 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:05,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:05,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:05,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:05,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:05,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:05,937 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:05,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:05,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:05,939 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_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 [2023-11-23 20:07:06,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:06,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:06,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:06,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:06,315 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:06,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-11-23 20:07:09,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:09,934 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:09,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-11-23 20:07:09,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/data/458d11867/8b6eb3550b2e4cafa46163995e720efa/FLAGb5b145f96 [2023-11-23 20:07:09,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/data/458d11867/8b6eb3550b2e4cafa46163995e720efa [2023-11-23 20:07:09,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:09,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:10,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:10,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:10,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:10,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:09" (1/1) ... [2023-11-23 20:07:10,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c47997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10, skipping insertion in model container [2023-11-23 20:07:10,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:09" (1/1) ... [2023-11-23 20:07:10,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:10,515 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:11,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:11,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:11,195 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:11,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:11,527 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:11,528 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:11,528 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:11,528 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:11,528 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:11,528 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:11,537 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:11,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11 WrapperNode [2023-11-23 20:07:11,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:11,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:11,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:11,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:11,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,626 INFO L138 Inliner]: procedures = 501, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-11-23 20:07:11,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:11,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:11,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:11,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:11,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:11,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:11,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:11,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:11,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:11" (1/1) ... [2023-11-23 20:07:11,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:11,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:11,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:11,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:07:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:07:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:07:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:07:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:07:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:07:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:11,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:07:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:07:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:07:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:11,961 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:11,963 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:12,139 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:12,186 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:12,186 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:07:12,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:12 BoogieIcfgContainer [2023-11-23 20:07:12,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:12,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:12,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:12,203 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:12,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:12" (1/1) ... [2023-11-23 20:07:12,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:12,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:12,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:07:12,287 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:07:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:07:12,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:12,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:07:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:07:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:07:13,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:13,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:13,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:13,520 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:07:13,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-11-23 20:07:13,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-23 20:07:13,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:07:13 ImpRootNode [2023-11-23 20:07:13,578 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:07:13,579 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:07:13,579 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:07:13,579 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:07:13,580 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:12" (3/4) ... [2023-11-23 20:07:13,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:07:13,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:07:13,586 INFO L158 Benchmark]: Toolchain (without parser) took 3590.99ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 107.3MB in the beginning and 136.9MB in the end (delta: -29.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-23 20:07:13,587 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:13,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1538.29ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 107.3MB in the beginning and 143.8MB in the end (delta: -36.5MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2023-11-23 20:07:13,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.42ms. Allocated memory is still 192.9MB. Free memory was 143.8MB in the beginning and 140.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:07:13,590 INFO L158 Benchmark]: Boogie Preprocessor took 37.41ms. Allocated memory is still 192.9MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:13,591 INFO L158 Benchmark]: RCFGBuilder took 522.99ms. Allocated memory is still 192.9MB. Free memory was 138.5MB in the beginning and 122.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:07:13,596 INFO L158 Benchmark]: CodeCheck took 1387.86ms. Allocated memory is still 192.9MB. Free memory was 122.9MB in the beginning and 136.9MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:13,598 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 192.9MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:13,605 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: 1.3s, 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, 0.6s 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562. 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); [L1575] 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) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={69:70}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={11497:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1538.29ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 107.3MB in the beginning and 143.8MB in the end (delta: -36.5MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.42ms. Allocated memory is still 192.9MB. Free memory was 143.8MB in the beginning and 140.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.41ms. Allocated memory is still 192.9MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.99ms. Allocated memory is still 192.9MB. Free memory was 138.5MB in the beginning and 122.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1387.86ms. Allocated memory is still 192.9MB. Free memory was 122.9MB in the beginning and 136.9MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 192.9MB. Free memory is still 136.9MB. 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 #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:07:13,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/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_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC --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 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:16,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:16,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:07:16,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:16,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:16,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:16,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:16,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:16,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:16,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:16,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:16,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:16,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:16,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:16,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:07:16,658 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:07:16,659 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:16,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:07:16,660 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:16,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:16,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:16,662 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:16,663 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:16,663 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:16,664 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:07:16,664 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:07:16,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:16,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:16,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:16,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:16,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:16,668 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:07:16,668 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:07:16,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:16,669 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:07:16,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:07:16,670 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_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 [2023-11-23 20:07:17,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:17,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:17,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:17,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:17,140 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:17,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-11-23 20:07:20,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:20,848 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:20,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-11-23 20:07:20,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/data/2ae9e2d22/a8bfa0b885584ef681d34b27f2b21584/FLAGaa3492175 [2023-11-23 20:07:20,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/data/2ae9e2d22/a8bfa0b885584ef681d34b27f2b21584 [2023-11-23 20:07:20,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:20,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:20,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:20,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:20,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:20,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:20" (1/1) ... [2023-11-23 20:07:20,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a12d2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:20, skipping insertion in model container [2023-11-23 20:07:20,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:20" (1/1) ... [2023-11-23 20:07:21,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:21,469 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:22,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:22,115 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:22,153 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:22,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:22,534 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,534 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,534 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,534 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,535 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,535 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,544 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:22,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22 WrapperNode [2023-11-23 20:07:22,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:22,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:22,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:22,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:22,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,682 INFO L138 Inliner]: procedures = 506, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-11-23 20:07:22,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:22,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:22,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:22,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:22,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:22,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:22,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:22,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:22,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:22,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:22,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:22,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:07:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:07:22,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:07:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:07:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:07:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:22,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:07:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:07:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:07:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:07:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:07:23,038 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:23,041 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:23,379 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:23,474 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:23,475 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:07:23,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:23 BoogieIcfgContainer [2023-11-23 20:07:23,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:23,479 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:23,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:23,494 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:23,494 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:23" (1/1) ... [2023-11-23 20:07:23,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:07:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:07:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:07:23,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:23,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:07:23,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:07:23,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:07:23,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:07:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:07:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:07:23,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:23,975 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:07:23,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:07:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:07:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:07:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:07:24,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:07:24,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:07:24,031 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:07:24,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:07:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:24,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:25,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:25,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:07:25,742 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:07:25,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-11-23 20:07:25,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-23 20:07:25,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:07:25 ImpRootNode [2023-11-23 20:07:25,781 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:07:25,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:07:25,782 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:07:25,782 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:07:25,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:23" (3/4) ... [2023-11-23 20:07:25,785 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:07:25,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:07:25,788 INFO L158 Benchmark]: Toolchain (without parser) took 4861.59ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,789 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 79.7MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:25,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1615.48ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 51.8MB in the beginning and 49.8MB in the end (delta: 2.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.99ms. Allocated memory is still 102.8MB. Free memory was 49.8MB in the beginning and 74.4MB in the end (delta: -24.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,792 INFO L158 Benchmark]: Boogie Preprocessor took 70.06ms. Allocated memory is still 102.8MB. Free memory was 74.4MB in the beginning and 72.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,798 INFO L158 Benchmark]: RCFGBuilder took 723.95ms. Allocated memory is still 102.8MB. Free memory was 72.3MB in the beginning and 54.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,799 INFO L158 Benchmark]: CodeCheck took 2302.04ms. Allocated memory is still 102.8MB. Free memory was 54.0MB in the beginning and 49.3MB in the end (delta: 4.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,800 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 102.8MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:25,809 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: 2.2s, 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 94 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562. 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); [L1575] 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) [L1575] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={-9223372036854775806:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 79.7MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1615.48ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 51.8MB in the beginning and 49.8MB in the end (delta: 2.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.99ms. Allocated memory is still 102.8MB. Free memory was 49.8MB in the beginning and 74.4MB in the end (delta: -24.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.06ms. Allocated memory is still 102.8MB. Free memory was 74.4MB in the beginning and 72.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.95ms. Allocated memory is still 102.8MB. Free memory was 72.3MB in the beginning and 54.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2302.04ms. Allocated memory is still 102.8MB. Free memory was 54.0MB in the beginning and 49.3MB in the end (delta: 4.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 102.8MB. Free memory is still 49.3MB. 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 #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:07:25,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09c8f18-fce0-43b6-b0ba-e791fc304892/bin/ukojak-verify-1t5iHCbJaC/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