./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi --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 af63553f91a7385ddb1c36e24db8b73b3ffc0d3310e44bd61e2388ea54381920 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:10,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:10,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:06:10,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:10,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:10,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:10,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:10,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:10,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:10,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:10,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:10,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:10,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:10,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:10,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:10,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:10,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:10,966 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:06:10,967 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:10,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:10,968 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:10,969 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:10,969 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:10,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:10,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:10,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:10,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:10,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:10,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:10,973 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:10,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:10,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:10,975 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_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af63553f91a7385ddb1c36e24db8b73b3ffc0d3310e44bd61e2388ea54381920 [2023-11-24 23:06:11,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:11,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:11,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:11,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:11,342 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:11,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_06_bad.i [2023-11-24 23:06:14,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:15,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:15,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_06_bad.i [2023-11-24 23:06:15,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/data/90529d946/0f5a027b9f46416e985868920a22b533/FLAGa0f61dd16 [2023-11-24 23:06:15,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/data/90529d946/0f5a027b9f46416e985868920a22b533 [2023-11-24 23:06:15,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:15,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:15,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:15,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:15,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:15,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ab3210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15, skipping insertion in model container [2023-11-24 23:06:15,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:16,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:16,225 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:16,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:16,559 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:16,559 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:16,559 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:16,559 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:16,560 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:16,568 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:16,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16 WrapperNode [2023-11-24 23:06:16,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:16,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:16,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:16,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:16,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,648 INFO L138 Inliner]: procedures = 499, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-11-24 23:06:16,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:16,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:16,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:16,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:16,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:16,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:16,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:16,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:16,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:16,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:16,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:16,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:06:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:06:16,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:06:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:06:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:06:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:06:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:06:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:16,913 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:16,915 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:17,057 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:17,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:17,114 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:06:17,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:17 BoogieIcfgContainer [2023-11-24 23:06:17,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:17,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:17,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:17,127 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:17,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:17" (1/1) ... [2023-11-24 23:06:17,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-24 23:06:17,195 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-24 23:06:17,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:17,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:17,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:17,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 22 transitions. [2023-11-24 23:06:17,563 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-24 23:06:17,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:06:17,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:17,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:17,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 27 transitions. [2023-11-24 23:06:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-24 23:06:17,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:06:17,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:17,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:17,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:17,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:17,983 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 23:06:18,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 23:06:18,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:18 ImpRootNode [2023-11-24 23:06:18,022 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:18,023 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:18,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:18,023 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:18,024 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:17" (3/4) ... [2023-11-24 23:06:18,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:06:18,027 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:18,028 INFO L158 Benchmark]: Toolchain (without parser) took 2949.92ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 97.8MB in the beginning and 131.3MB in the end (delta: -33.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:18,029 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:18,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1487.76ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 97.4MB in the beginning and 123.2MB in the end (delta: -25.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-24 23:06:18,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.92ms. Allocated memory is still 184.5MB. Free memory was 123.2MB in the beginning and 119.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:18,033 INFO L158 Benchmark]: Boogie Preprocessor took 32.11ms. Allocated memory is still 184.5MB. Free memory was 119.9MB in the beginning and 119.0MB in the end (delta: 920.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:18,034 INFO L158 Benchmark]: RCFGBuilder took 434.27ms. Allocated memory is still 184.5MB. Free memory was 119.0MB in the beginning and 103.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:06:18,040 INFO L158 Benchmark]: CodeCheck took 905.23ms. Allocated memory is still 184.5MB. Free memory was 103.1MB in the beginning and 131.3MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:18,041 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 184.5MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:18,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 38 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1578. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=18, argc=18, argv={13:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_add_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.37ms. Allocated memory is still 146.8MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1487.76ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 97.4MB in the beginning and 123.2MB in the end (delta: -25.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.92ms. Allocated memory is still 184.5MB. Free memory was 123.2MB in the beginning and 119.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.11ms. Allocated memory is still 184.5MB. Free memory was 119.9MB in the beginning and 119.0MB in the end (delta: 920.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.27ms. Allocated memory is still 184.5MB. Free memory was 119.0MB in the beginning and 103.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 905.23ms. Allocated memory is still 184.5MB. Free memory was 103.1MB in the beginning and 131.3MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 184.5MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:06:18,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi --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 af63553f91a7385ddb1c36e24db8b73b3ffc0d3310e44bd61e2388ea54381920 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:20,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:20,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:06:20,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:20,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:20,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:20,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:20,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:20,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:20,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:20,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:20,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:20,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:20,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:20,879 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:06:20,880 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:06:20,880 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:06:20,881 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:06:20,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:20,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:20,883 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:20,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:20,884 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:20,885 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:20,885 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:20,886 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:06:20,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:20,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:20,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:20,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:20,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:20,889 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:06:20,890 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:20,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:20,891 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:06:20,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:06:20,891 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_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af63553f91a7385ddb1c36e24db8b73b3ffc0d3310e44bd61e2388ea54381920 [2023-11-24 23:06:21,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:21,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:21,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:21,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:21,359 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:21,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_06_bad.i [2023-11-24 23:06:24,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:24,898 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:24,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_06_bad.i [2023-11-24 23:06:24,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/data/18d0d4637/3e06f2b349b649c8b4c225b6c6c8243a/FLAG3b0d59145 [2023-11-24 23:06:24,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/data/18d0d4637/3e06f2b349b649c8b4c225b6c6c8243a [2023-11-24 23:06:24,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:24,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:24,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:24,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:24,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:24,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:24" (1/1) ... [2023-11-24 23:06:24,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0f81d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:24, skipping insertion in model container [2023-11-24 23:06:24,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:24" (1/1) ... [2023-11-24 23:06:25,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:26,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:26,155 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:26,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:26,411 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:26,412 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:26,412 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:26,412 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:26,413 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:26,421 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:26,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26 WrapperNode [2023-11-24 23:06:26,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:26,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:26,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:26,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:26,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,501 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-24 23:06:26,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:26,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:26,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:26,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:26,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:26,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:26,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:26,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:26,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:26" (1/1) ... [2023-11-24 23:06:26,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:26,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:26,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:26,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:26,634 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:06:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:06:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:06:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:06:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:06:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:06:26,636 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:06:26,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 23:06:26,825 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:26,827 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:27,058 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:27,129 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:27,129 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:06:27,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:27 BoogieIcfgContainer [2023-11-24 23:06:27,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:27,132 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:27,132 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:27,143 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:27,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:27" (1/1) ... [2023-11-24 23:06:27,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:27,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-24 23:06:27,235 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-24 23:06:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:27,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:27,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:27,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:27,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:27,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:06:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:27,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:06:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:27,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:06:27,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:27,477 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:06:27,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:06:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-24 23:06:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-24 23:06:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:06:27,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:27,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:27,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:27,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:27,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:06:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:27,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:06:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:27,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:27,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:27,714 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:06:27,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:06:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2023-11-24 23:06:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-24 23:06:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:06:27,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:27,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:27,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:27,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:27,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:06:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:28,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:28,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:28,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-24 23:06:28,281 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 23:06:28,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:06:28,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:28 ImpRootNode [2023-11-24 23:06:28,321 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:28,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:28,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:28,322 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:28,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:27" (3/4) ... [2023-11-24 23:06:28,325 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:06:28,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:28,327 INFO L158 Benchmark]: Toolchain (without parser) took 3379.06ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 56.1MB in the beginning and 62.5MB in the end (delta: -6.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:28,328 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 83.9MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:28,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1472.72ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 56.1MB in the beginning and 57.7MB in the end (delta: -1.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-24 23:06:28,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.33ms. Allocated memory is still 104.9MB. Free memory was 57.7MB in the beginning and 54.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:28,330 INFO L158 Benchmark]: Boogie Preprocessor took 52.89ms. Allocated memory is still 104.9MB. Free memory was 54.5MB in the beginning and 52.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:28,331 INFO L158 Benchmark]: RCFGBuilder took 575.18ms. Allocated memory is still 104.9MB. Free memory was 52.4MB in the beginning and 65.0MB in the end (delta: -12.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-24 23:06:28,332 INFO L158 Benchmark]: CodeCheck took 1188.79ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 62.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-24 23:06:28,332 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 104.9MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:28,336 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 39 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1578. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_add_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.63ms. Allocated memory is still 83.9MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1472.72ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 56.1MB in the beginning and 57.7MB in the end (delta: -1.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.33ms. Allocated memory is still 104.9MB. Free memory was 57.7MB in the beginning and 54.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.89ms. Allocated memory is still 104.9MB. Free memory was 54.5MB in the beginning and 52.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.18ms. Allocated memory is still 104.9MB. Free memory was 52.4MB in the beginning and 65.0MB in the end (delta: -12.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * CodeCheck took 1188.79ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 62.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 104.9MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:06:28,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8145ed-1022-46bd-b673-59a1ed060e81/bin/ukojak-verify-afCqCEvfdi/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