./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_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_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/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_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/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_a916aaf8-37bc-4829-a865-4c13e135e97a/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 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:55,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:56,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:17:56,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:56,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:56,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:56,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:56,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:56,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:56,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:56,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:56,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:56,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:56,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:56,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:56,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:56,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:56,106 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:56,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:56,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:56,108 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:56,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:56,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:56,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:56,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:56,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:56,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:56,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:56,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:56,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:56,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:56,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:56,114 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_a916aaf8-37bc-4829-a865-4c13e135e97a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e [2023-11-23 20:17:56,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:56,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:56,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:56,420 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:56,420 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:56,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2023-11-23 20:17:59,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:59,979 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:59,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2023-11-23 20:18:00,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/data/182c536c7/e9073c44d1244ef984720895e208946d/FLAG0bbf3bf88 [2023-11-23 20:18:00,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/data/182c536c7/e9073c44d1244ef984720895e208946d [2023-11-23 20:18:00,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:00,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:00,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:00,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:00,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:00,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:00" (1/1) ... [2023-11-23 20:18:00,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73417db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00, skipping insertion in model container [2023-11-23 20:18:00,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:00" (1/1) ... [2023-11-23 20:18:00,160 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:00,621 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:01,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:01,268 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:01,303 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:01,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:01,608 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:01,608 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:01,608 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:01,608 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:01,608 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:01,608 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:01,609 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:01,617 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:01,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01 WrapperNode [2023-11-23 20:18:01,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:01,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:01,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:01,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:01,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,720 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 58 [2023-11-23 20:18:01,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:01,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:01,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:01,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:01,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:01,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:01,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:01,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:01,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:01" (1/1) ... [2023-11-23 20:18:01,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:01,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:01,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:01,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:18:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:18:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:18:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:18:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:18:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:18:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:18:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:18:02,064 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:02,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:02,193 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:02,232 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:18:02,232 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:18:02,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:02 BoogieIcfgContainer [2023-11-23 20:18:02,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:18:02,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:18:02,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:18:02,249 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:18:02,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:02" (1/1) ... [2023-11-23 20:18:02,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:18:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:18:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:18:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:18:02,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:02,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:02,676 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 20:18:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:02,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-23 20:18:02,743 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-23 20:18:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:18:02,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:02,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:02,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:02,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:02,914 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:18:02,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:02 ImpRootNode [2023-11-23 20:18:02,945 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:02,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:02,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:02,946 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:02,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:02" (3/4) ... [2023-11-23 20:18:02,949 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:18:02,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:02,951 INFO L158 Benchmark]: Toolchain (without parser) took 2899.12ms. Allocated memory is still 136.3MB. Free memory was 88.9MB in the beginning and 85.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-11-23 20:18:02,951 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:02,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1562.83ms. Allocated memory is still 136.3MB. Free memory was 88.9MB in the beginning and 80.9MB in the end (delta: 8.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:02,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.24ms. Allocated memory is still 136.3MB. Free memory was 80.9MB in the beginning and 77.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:02,953 INFO L158 Benchmark]: Boogie Preprocessor took 67.38ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 75.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:02,954 INFO L158 Benchmark]: RCFGBuilder took 443.48ms. Allocated memory is still 136.3MB. Free memory was 75.9MB in the beginning and 61.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:18:02,955 INFO L158 Benchmark]: CodeCheck took 709.66ms. Allocated memory is still 136.3MB. Free memory was 61.4MB in the beginning and 86.7MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:02,955 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 136.3MB. Free memory was 86.7MB in the beginning and 85.9MB in the end (delta: 823.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:02,959 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565. 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); [L1577] 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) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=28, argc=28, argv={29:27}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] EXPR data = atoi(inputBuffer) [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1561-L1571] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1572] CALL funcPtr(data) [L1550] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1562.83ms. Allocated memory is still 136.3MB. Free memory was 88.9MB in the beginning and 80.9MB in the end (delta: 8.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.24ms. Allocated memory is still 136.3MB. Free memory was 80.9MB in the beginning and 77.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.38ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 75.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.48ms. Allocated memory is still 136.3MB. Free memory was 75.9MB in the beginning and 61.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 709.66ms. Allocated memory is still 136.3MB. Free memory was 61.4MB in the beginning and 86.7MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 136.3MB. Free memory was 86.7MB in the beginning and 85.9MB in the end (delta: 823.3kB). 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 20:18:02,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/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_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/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_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/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_a916aaf8-37bc-4829-a865-4c13e135e97a/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 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:05,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:05,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:18:05,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:05,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:05,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:05,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:05,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:05,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:05,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:05,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:05,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:05,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:05,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:05,800 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:18:05,801 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:18:05,801 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:05,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:18:05,803 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:05,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:05,804 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:05,804 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:05,805 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:05,805 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:05,806 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:05,806 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:18:05,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:05,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:05,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:05,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:05,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:05,818 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:18:05,818 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:05,819 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:05,819 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:18:05,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:18:05,820 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_a916aaf8-37bc-4829-a865-4c13e135e97a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e [2023-11-23 20:18:06,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:06,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:06,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:06,222 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:06,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:06,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2023-11-23 20:18:09,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:09,799 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:09,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2023-11-23 20:18:09,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/data/9235af808/bf69d0e0022e45deb0b0107c9ef2e378/FLAGcb8455935 [2023-11-23 20:18:09,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/data/9235af808/bf69d0e0022e45deb0b0107c9ef2e378 [2023-11-23 20:18:09,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:09,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:09,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:09,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:09,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:09,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:09" (1/1) ... [2023-11-23 20:18:09,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e4cbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:09, skipping insertion in model container [2023-11-23 20:18:09,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:09" (1/1) ... [2023-11-23 20:18:09,952 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:10,382 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:10,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:11,017 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:11,042 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:11,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:11,401 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:11,402 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:11,402 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:11,402 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:11,402 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:11,402 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:11,403 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:11,412 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:11,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11 WrapperNode [2023-11-23 20:18:11,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:11,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:11,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:11,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:11,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,499 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2023-11-23 20:18:11,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:11,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:11,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:11,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:11,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:11,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:11,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:11,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:11,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:11" (1/1) ... [2023-11-23 20:18:11,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:11,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:11,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:11,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:18:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:18:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:18:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:18:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:18:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:18:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:18:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:18:11,792 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:11,800 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:12,023 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:12,093 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:18:12,097 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:18:12,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:12 BoogieIcfgContainer [2023-11-23 20:18:12,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:18:12,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:18:12,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:18:12,114 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:18:12,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:12" (1/1) ... [2023-11-23 20:18:12,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:18:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:18:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:18:12,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:18:12,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:12,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:12,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:18:12,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:18:12,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:18:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:12,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:18:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:12,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:18:12,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:12,601 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 20:18:12,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-23 20:18:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-23 20:18:12,643 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-23 20:18:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:18:12,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:12,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:12,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:18:12,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:18:12,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:18:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:12,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:13,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:13,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:18:13,159 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:18:13,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:13 ImpRootNode [2023-11-23 20:18:13,211 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:13,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:13,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:13,212 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:13,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:12" (3/4) ... [2023-11-23 20:18:13,215 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:18:13,216 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:13,218 INFO L158 Benchmark]: Toolchain (without parser) took 3360.99ms. Allocated memory was 73.4MB in the beginning and 115.3MB in the end (delta: 41.9MB). Free memory was 39.9MB in the beginning and 62.8MB in the end (delta: -22.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-23 20:18:13,218 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:13,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1557.90ms. Allocated memory was 73.4MB in the beginning and 115.3MB in the end (delta: 41.9MB). Free memory was 39.7MB in the beginning and 80.4MB in the end (delta: -40.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:13,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.62ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 77.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:13,222 INFO L158 Benchmark]: Boogie Preprocessor took 41.88ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:13,227 INFO L158 Benchmark]: RCFGBuilder took 556.54ms. Allocated memory is still 115.3MB. Free memory was 75.0MB in the beginning and 57.3MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:18:13,228 INFO L158 Benchmark]: CodeCheck took 1110.48ms. Allocated memory is still 115.3MB. Free memory was 57.3MB in the beginning and 62.8MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:13,228 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 115.3MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:13,238 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] EXPR data = atoi(inputBuffer) [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1561-L1571] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1572] CALL funcPtr(data) [L1550] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741825, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741825, data=1073741825, 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 0.23ms. Allocated memory is still 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1557.90ms. Allocated memory was 73.4MB in the beginning and 115.3MB in the end (delta: 41.9MB). Free memory was 39.7MB in the beginning and 80.4MB in the end (delta: -40.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.62ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 77.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.88ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.54ms. Allocated memory is still 115.3MB. Free memory was 75.0MB in the beginning and 57.3MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1110.48ms. Allocated memory is still 115.3MB. Free memory was 57.3MB in the beginning and 62.8MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 115.3MB. Free memory is still 62.8MB. 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 20:18:13,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a916aaf8-37bc-4829-a865-4c13e135e97a/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