./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_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_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/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_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/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_18886eac-e1af-4b8c-831a-4597590d4577/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 cc9dc3f3b40fd32688c4903d2e1e773b9baedac8b6be748e1e6c0628d2f47831 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:49,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:49,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 19:56:49,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:56:49,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:49,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:49,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:49,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:49,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:49,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:49,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:49,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:49,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:49,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:49,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:49,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:49,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:49,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:49,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:49,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:49,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:49,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:49,416 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:49,416 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:49,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:49,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:49,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:49,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:49,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:49,419 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:49,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:49,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:49,420 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_18886eac-e1af-4b8c-831a-4597590d4577/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9dc3f3b40fd32688c4903d2e1e773b9baedac8b6be748e1e6c0628d2f47831 [2023-11-23 19:56:49,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:49,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:49,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:49,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:49,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:49,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_bad.i [2023-11-23 19:56:52,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:53,324 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:53,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_bad.i [2023-11-23 19:56:53,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/data/42faf9b78/cb3cc84a30f24ce7ac1f0420e2dad80d/FLAGedb63a0fd [2023-11-23 19:56:53,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/data/42faf9b78/cb3cc84a30f24ce7ac1f0420e2dad80d [2023-11-23 19:56:53,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:53,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:53,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:53,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:53,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:53,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:53" (1/1) ... [2023-11-23 19:56:53,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c14e03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:53, skipping insertion in model container [2023-11-23 19:56:53,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:53" (1/1) ... [2023-11-23 19:56:53,504 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:53,899 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:54,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:54,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:54,730 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:54,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:55,045 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:55,046 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:55,046 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:55,046 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:55,047 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:55,047 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:55,047 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:55,056 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:55,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55 WrapperNode [2023-11-23 19:56:55,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:55,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:55,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:55,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:55,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,139 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2023-11-23 19:56:55,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:55,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:55,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:55,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:55,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:55,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:55,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:55,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:55,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:55,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:55,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:55,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 19:56:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 19:56:55,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 19:56:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:56:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 19:56:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:55,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:56:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 19:56:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:56:55,511 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:55,514 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:55,674 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:55,730 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:55,736 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 19:56:55,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:55 BoogieIcfgContainer [2023-11-23 19:56:55,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:55,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:55,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:55,754 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:55,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:55" (1/1) ... [2023-11-23 19:56:55,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:55,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 19:56:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 19:56:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:55,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:55,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:56,382 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 19:56:56,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 19:56:56,442 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 19:56:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:56,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:56,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:56,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 19:56:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:56,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 19:56:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:56,609 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 19:56:56,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:56:56 ImpRootNode [2023-11-23 19:56:56,644 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 19:56:56,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 19:56:56,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 19:56:56,645 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 19:56:56,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:55" (3/4) ... [2023-11-23 19:56:56,649 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 19:56:56,650 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 19:56:56,651 INFO L158 Benchmark]: Toolchain (without parser) took 3264.48ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 116.0MB in the beginning and 89.1MB in the end (delta: 26.9MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2023-11-23 19:56:56,652 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 159.4MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:56,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1667.18ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 116.0MB in the beginning and 143.6MB in the end (delta: -27.6MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-11-23 19:56:56,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.61ms. Allocated memory is still 192.9MB. Free memory was 143.6MB in the beginning and 140.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:56,655 INFO L158 Benchmark]: Boogie Preprocessor took 34.49ms. Allocated memory is still 192.9MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:56,655 INFO L158 Benchmark]: RCFGBuilder took 562.74ms. Allocated memory is still 192.9MB. Free memory was 138.4MB in the beginning and 123.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 19:56:56,656 INFO L158 Benchmark]: CodeCheck took 904.24ms. Allocated memory is still 192.9MB. Free memory was 123.7MB in the beginning and 89.1MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 19:56:56,657 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 192.9MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:56,660 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.0s 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)=26, argc=26, argv={27:25}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_add_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_add_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 + 1 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 0.34ms. Allocated memory is still 159.4MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1667.18ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 116.0MB in the beginning and 143.6MB in the end (delta: -27.6MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.61ms. Allocated memory is still 192.9MB. Free memory was 143.6MB in the beginning and 140.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.49ms. Allocated memory is still 192.9MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.74ms. Allocated memory is still 192.9MB. Free memory was 138.4MB in the beginning and 123.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 904.24ms. Allocated memory is still 192.9MB. Free memory was 123.7MB in the beginning and 89.1MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 192.9MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 19:56:56,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/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_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/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_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/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_18886eac-e1af-4b8c-831a-4597590d4577/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 cc9dc3f3b40fd32688c4903d2e1e773b9baedac8b6be748e1e6c0628d2f47831 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:59,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:59,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 19:56:59,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:59,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:59,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:59,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:59,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:59,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:59,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:59,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:59,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:59,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:59,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:59,709 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 19:56:59,709 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 19:56:59,710 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:59,710 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 19:56:59,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:59,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:59,712 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:59,713 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:59,713 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:59,713 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:59,714 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:59,714 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 19:56:59,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:59,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:59,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:59,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:59,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:59,717 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 19:56:59,718 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:59,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:59,718 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 19:56:59,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 19:56:59,719 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_18886eac-e1af-4b8c-831a-4597590d4577/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9dc3f3b40fd32688c4903d2e1e773b9baedac8b6be748e1e6c0628d2f47831 [2023-11-23 19:57:00,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:57:00,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:57:00,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:57:00,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:57:00,225 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:57:00,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_bad.i [2023-11-23 19:57:03,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:57:03,844 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:57:03,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_bad.i [2023-11-23 19:57:03,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/data/988552354/386cfb14169a4694880cf3392ad15644/FLAGebfcbabd0 [2023-11-23 19:57:03,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/data/988552354/386cfb14169a4694880cf3392ad15644 [2023-11-23 19:57:03,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:57:03,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:57:03,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:03,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:57:03,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:57:03,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7a3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03, skipping insertion in model container [2023-11-23 19:57:03,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:57:04,581 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:57:05,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:05,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:57:05,537 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:57:05,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:05,863 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:05,863 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:05,864 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:05,864 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:05,864 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:05,864 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:05,864 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:05,874 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:57:05,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05 WrapperNode [2023-11-23 19:57:05,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:05,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:05,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:57:05,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:57:05,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:05,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,025 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2023-11-23 19:57:06,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:06,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:57:06,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:57:06,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:57:06,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:57:06,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:57:06,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:57:06,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:57:06,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:05" (1/1) ... [2023-11-23 19:57:06,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:57:06,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:57:06,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:57:06,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:57:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 19:57:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 19:57:06,215 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 19:57:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:57:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 19:57:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:57:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:57:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:57:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:57:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 19:57:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 19:57:06,410 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:57:06,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:57:06,656 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:57:06,758 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:57:06,759 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 19:57:06,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:06 BoogieIcfgContainer [2023-11-23 19:57:06,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:57:06,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:57:06,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:57:06,778 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:57:06,779 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:06" (1/1) ... [2023-11-23 19:57:06,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:57:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 19:57:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 19:57:06,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:57:06,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:06,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:06,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:06,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:06,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 19:57:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:07,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:07,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:07,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:07,305 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 19:57:07,308 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 19:57:07,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:07,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 19:57:07,355 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 19:57:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:57:07,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:07,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:07,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:07,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:07,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 19:57:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:57:07,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 19:57:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:57:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:57:07,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 19:57:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:57:07,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-23 19:57:07,919 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 19:57:07,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:57:07 ImpRootNode [2023-11-23 19:57:07,955 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 19:57:07,956 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 19:57:07,956 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 19:57:07,956 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 19:57:07,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:06" (3/4) ... [2023-11-23 19:57:07,959 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 19:57:07,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 19:57:07,962 INFO L158 Benchmark]: Toolchain (without parser) took 4060.78ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 46.1MB in the beginning and 52.1MB in the end (delta: -6.0MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-23 19:57:07,963 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 73.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:57:07,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1973.48ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 45.9MB in the beginning and 44.4MB in the end (delta: 1.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-23 19:57:07,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.52ms. Allocated memory is still 98.6MB. Free memory was 44.4MB in the beginning and 69.8MB in the end (delta: -25.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-23 19:57:07,965 INFO L158 Benchmark]: Boogie Preprocessor took 80.51ms. Allocated memory is still 98.6MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:57:07,966 INFO L158 Benchmark]: RCFGBuilder took 654.59ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 50.4MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 19:57:07,967 INFO L158 Benchmark]: CodeCheck took 1191.96ms. Allocated memory is still 98.6MB. Free memory was 50.4MB in the beginning and 52.6MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:57:07,967 INFO L158 Benchmark]: Witness Printer took 5.47ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:57:07,971 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: 1.1s, 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, 69 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_add_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_add_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 + 1 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 0.60ms. Allocated memory is still 73.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1973.48ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 45.9MB in the beginning and 44.4MB in the end (delta: 1.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.52ms. Allocated memory is still 98.6MB. Free memory was 44.4MB in the beginning and 69.8MB in the end (delta: -25.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.51ms. Allocated memory is still 98.6MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.59ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 50.4MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1191.96ms. Allocated memory is still 98.6MB. Free memory was 50.4MB in the beginning and 52.6MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.47ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 19:57:08,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18886eac-e1af-4b8c-831a-4597590d4577/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