./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:58:18,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:58:18,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:58:18,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:58:18,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:58:18,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:58:18,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:58:18,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:58:18,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:58:18,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:58:18,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:58:18,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:58:18,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:58:18,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:58:18,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:58:18,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:58:18,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:58:18,882 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:58:18,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:58:18,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:58:18,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:58:18,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:58:18,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:58:18,885 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:58:18,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:58:18,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:58:18,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:58:18,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:58:18,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:58:18,888 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:58:18,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:58:18,889 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:58:18,889 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_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 [2023-12-03 03:58:19,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:58:19,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:58:19,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:58:19,146 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:58:19,147 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:58:19,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-12-03 03:58:21,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:58:22,297 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:58:22,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-12-03 03:58:22,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/data/2bfb44847/4433767443dd4a9b95d58e646b7f93d6/FLAGf4719b4a0 [2023-12-03 03:58:22,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/data/2bfb44847/4433767443dd4a9b95d58e646b7f93d6 [2023-12-03 03:58:22,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:58:22,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:58:22,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:58:22,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:58:22,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:58:22,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:58:22" (1/1) ... [2023-12-03 03:58:22,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36fb4d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:22, skipping insertion in model container [2023-12-03 03:58:22,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:58:22" (1/1) ... [2023-12-03 03:58:22,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:58:23,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:58:23,195 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:58:23,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:58:23,483 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:23,483 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:23,483 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:23,483 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:23,484 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:23,491 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:58:23,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23 WrapperNode [2023-12-03 03:58:23,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:58:23,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:58:23,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:58:23,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:58:23,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,553 INFO L138 Inliner]: procedures = 500, calls = 72, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2023-12-03 03:58:23,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:58:23,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:58:23,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:58:23,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:58:23,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:58:23,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:58:23,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:58:23,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:58:23,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:58:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:58:23,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:58:23,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:58:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:58:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:58:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:58:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:58:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 03:58:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:58:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:58:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:58:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:58:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:58:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:58:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:58:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:58:23,793 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:58:23,795 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:58:23,929 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:58:23,972 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:58:23,972 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:58:23,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:58:23 BoogieIcfgContainer [2023-12-03 03:58:23,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:58:23,975 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:58:23,975 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:58:23,984 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:58:23,984 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:58:23" (1/1) ... [2023-12-03 03:58:23,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:58:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-03 03:58:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-03 03:58:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:58:24,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:24,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:58:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:24,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:58:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 03:58:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 03:58:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:58:24,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:24,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:58:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:58:24,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:58:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:58:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:58:24,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:58:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:58:24,780 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:58:24,821 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 03:58:24,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-12-03 03:58:24,825 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 03:58:24,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:58:24 ImpRootNode [2023-12-03 03:58:24,830 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:58:24,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:58:24,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:58:24,831 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:58:24,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:58:23" (3/4) ... [2023-12-03 03:58:24,834 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:58:24,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:58:24,836 INFO L158 Benchmark]: Toolchain (without parser) took 2488.59ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 115.9MB in the beginning and 177.7MB in the end (delta: -61.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:58:24,837 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:58:24,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1143.58ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 115.7MB in the beginning and 172.6MB in the end (delta: -56.9MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2023-12-03 03:58:24,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.96ms. Allocated memory is still 216.0MB. Free memory was 172.6MB in the beginning and 169.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:58:24,839 INFO L158 Benchmark]: Boogie Preprocessor took 28.95ms. Allocated memory is still 216.0MB. Free memory was 169.5MB in the beginning and 168.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:58:24,840 INFO L158 Benchmark]: RCFGBuilder took 390.94ms. Allocated memory is still 216.0MB. Free memory was 168.4MB in the beginning and 151.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:58:24,841 INFO L158 Benchmark]: CodeCheck took 855.12ms. Allocated memory is still 216.0MB. Free memory was 151.7MB in the beginning and 178.6MB in the end (delta: -26.9MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2023-12-03 03:58:24,842 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 216.0MB. Free memory was 178.6MB in the beginning and 177.7MB in the end (delta: 850.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:58:24,846 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1575. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:90}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={8:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1143.58ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 115.7MB in the beginning and 172.6MB in the end (delta: -56.9MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.96ms. Allocated memory is still 216.0MB. Free memory was 172.6MB in the beginning and 169.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.95ms. Allocated memory is still 216.0MB. Free memory was 169.5MB in the beginning and 168.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.94ms. Allocated memory is still 216.0MB. Free memory was 168.4MB in the beginning and 151.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 855.12ms. Allocated memory is still 216.0MB. Free memory was 151.7MB in the beginning and 178.6MB in the end (delta: -26.9MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 216.0MB. Free memory was 178.6MB in the beginning and 177.7MB in the end (delta: 850.8kB). 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~nondet103 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:58:24,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/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_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:58:26,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:58:26,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:58:26,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:58:26,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:58:26,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:58:26,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:58:26,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:58:26,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:58:26,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:58:26,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:58:26,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:58:26,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:58:26,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:58:26,979 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:58:26,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:58:26,981 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:58:26,981 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:58:26,982 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:58:26,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:58:26,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:58:26,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:58:26,984 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:58:26,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:58:26,985 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:26,986 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:58:26,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:58:26,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:58:26,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:58:26,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:58:26,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:58:26,989 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:58:26,989 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:26,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:58:26,989 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:58:26,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:58:26,990 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_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 [2023-12-03 03:58:27,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:58:27,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:58:27,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:58:27,292 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:58:27,293 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:58:27,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-12-03 03:58:30,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:58:30,442 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:58:30,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-12-03 03:58:30,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/data/8148b8559/91813ec32a5e46b88a002c6ad4551dba/FLAG0b43aa651 [2023-12-03 03:58:30,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/data/8148b8559/91813ec32a5e46b88a002c6ad4551dba [2023-12-03 03:58:30,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:58:30,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:58:30,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:58:30,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:58:30,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:58:30,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:58:30" (1/1) ... [2023-12-03 03:58:30,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7037bc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:30, skipping insertion in model container [2023-12-03 03:58:30,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:58:30" (1/1) ... [2023-12-03 03:58:30,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:58:31,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:58:31,346 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:58:31,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:58:31,557 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:31,557 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:31,557 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:31,558 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:31,558 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:58:31,564 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:58:31,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31 WrapperNode [2023-12-03 03:58:31,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:58:31,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:58:31,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:58:31,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:58:31,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,623 INFO L138 Inliner]: procedures = 505, calls = 72, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2023-12-03 03:58:31,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:58:31,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:58:31,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:58:31,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:58:31,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:58:31,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:58:31,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:58:31,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:58:31,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:31" (1/1) ... [2023-12-03 03:58:31,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:58:31,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:58:31,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:58:31,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:58:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:58:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:58:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:58:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:58:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:58:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:58:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:58:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:58:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:58:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:58:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:58:31,730 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:58:31,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 03:58:31,897 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:58:31,899 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:58:32,075 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:58:32,122 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:58:32,122 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:58:32,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:58:32 BoogieIcfgContainer [2023-12-03 03:58:32,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:58:32,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:58:32,125 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:58:32,136 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:58:32,136 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:58:32" (1/1) ... [2023-12-03 03:58:32,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:58:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-03 03:58:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-03 03:58:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:58:32,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:32,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:32,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:32,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:32,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:58:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:32,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:32,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:58:32,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:58:32,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:58:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 03:58:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 03:58:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:58:32,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:32,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:32,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:32,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:32,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:58:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:58:32,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:58:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:58:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:58:33,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:58:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:58:33,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:58:33,627 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:58:33,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 03:58:33,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-12-03 03:58:33,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 03:58:33,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:58:33 ImpRootNode [2023-12-03 03:58:33,662 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:58:33,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:58:33,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:58:33,663 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:58:33,663 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:58:32" (3/4) ... [2023-12-03 03:58:33,666 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:58:33,667 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:58:33,668 INFO L158 Benchmark]: Toolchain (without parser) took 3184.02ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 39.7MB in the end (delta: 31.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-12-03 03:58:33,668 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:58:33,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1080.48ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 66.5MB in the end (delta: 4.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-12-03 03:58:33,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.86ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 63.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:58:33,670 INFO L158 Benchmark]: Boogie Preprocessor took 38.63ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:58:33,671 INFO L158 Benchmark]: RCFGBuilder took 460.65ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 42.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:58:33,671 INFO L158 Benchmark]: CodeCheck took 1537.16ms. Allocated memory is still 98.6MB. Free memory was 42.4MB in the beginning and 40.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2023-12-03 03:58:33,672 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 98.6MB. Free memory was 40.3MB in the beginning and 39.7MB in the end (delta: 597.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:58:33,675 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, 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, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1575. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={7:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1080.48ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 66.5MB in the end (delta: 4.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.86ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 63.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.63ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.65ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 42.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1537.16ms. Allocated memory is still 98.6MB. Free memory was 42.4MB in the beginning and 40.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 98.6MB. Free memory was 40.3MB in the beginning and 39.7MB in the end (delta: 597.5kB). 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~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:58:33,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b77ae78-474b-4fa4-b8e4-89aff839d969/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample