./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_16_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_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/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_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/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_377aa4f9-0198-4be2-876c-ef55cacd551c/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 2098b126dd7de75eecbf2e4743a2e50bd5d2b8da3ec049db3bbe67b9738f4707 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:24:15,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:24:15,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:24:15,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:24:15,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:24:15,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:24:15,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:24:15,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:24:15,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:24:15,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:24:15,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:24:15,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:24:15,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:24:15,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:24:15,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:24:15,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:24:15,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:24:15,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:24:15,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:24:15,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:24:15,841 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:24:15,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:24:15,842 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:24:15,842 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:24:15,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:24:15,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:15,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:24:15,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:24:15,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:24:15,845 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:24:15,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:24:15,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:24:15,846 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_377aa4f9-0198-4be2-876c-ef55cacd551c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2098b126dd7de75eecbf2e4743a2e50bd5d2b8da3ec049db3bbe67b9738f4707 [2023-12-02 22:24:16,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:24:16,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:24:16,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:24:16,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:24:16,104 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:24:16,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_16_bad.i [2023-12-02 22:24:18,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:24:19,121 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:24:19,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_16_bad.i [2023-12-02 22:24:19,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/data/78c43cb74/2281e5ed56474e0a8ac279bd2500d7ab/FLAG365e9ebf8 [2023-12-02 22:24:19,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/data/78c43cb74/2281e5ed56474e0a8ac279bd2500d7ab [2023-12-02 22:24:19,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:24:19,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:24:19,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:19,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:24:19,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:24:19,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd63cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19, skipping insertion in model container [2023-12-02 22:24:19,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:19,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:20,010 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:24:20,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:20,267 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:20,267 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:20,267 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:20,267 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:20,267 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:20,275 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:24:20,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20 WrapperNode [2023-12-02 22:24:20,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:20,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:20,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:24:20,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:24:20,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,336 INFO L138 Inliner]: procedures = 499, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-12-02 22:24:20,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:20,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:24:20,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:24:20,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:24:20,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:24:20,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:24:20,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:24:20,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:24:20,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:20,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:24:20,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:24:20,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:24:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:24:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:24:20,436 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:24:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:24:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:24:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:24:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:24:20,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:24:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:24:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:24:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:24:20,571 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:24:20,573 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:24:20,679 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:24:20,714 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:24:20,714 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:24:20,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:20 BoogieIcfgContainer [2023-12-02 22:24:20,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:24:20,717 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:24:20,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:24:20,725 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:24:20,725 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:20" (1/1) ... [2023-12-02 22:24:20,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:24:20,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:20,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-02 22:24:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-02 22:24:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:24:20,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:20,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2023-12-02 22:24:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-12-02 22:24:21,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:24:21,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:21,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:21,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-12-02 22:24:21,210 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-12-02 22:24:21,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:24:21,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:21,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:21,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:21,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:21,363 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 22:24:21,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-02 22:24:21,392 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-02 22:24:21,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:24:21 ImpRootNode [2023-12-02 22:24:21,397 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:24:21,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:24:21,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:24:21,398 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:24:21,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:20" (3/4) ... [2023-12-02 22:24:21,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:24:21,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:24:21,403 INFO L158 Benchmark]: Toolchain (without parser) took 2244.69ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 99.2MB in the beginning and 132.9MB in the end (delta: -33.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-12-02 22:24:21,403 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 140.5MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:21,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1116.88ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 81.0MB in the end (delta: 18.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-12-02 22:24:21,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.55ms. Allocated memory is still 140.5MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:24:21,405 INFO L158 Benchmark]: Boogie Preprocessor took 29.72ms. Allocated memory is still 140.5MB. Free memory was 78.2MB in the beginning and 76.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:21,406 INFO L158 Benchmark]: RCFGBuilder took 349.04ms. Allocated memory is still 140.5MB. Free memory was 76.1MB in the beginning and 61.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:24:21,407 INFO L158 Benchmark]: CodeCheck took 680.18ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 61.4MB in the beginning and 134.0MB in the end (delta: -72.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:21,407 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 195.0MB. Free memory was 134.0MB in the beginning and 132.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:21,411 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: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 28 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 117 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, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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 1558, overapproximation of large string literal at line 1580. 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); [L1580] 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) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:32}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_postinc_16_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 1 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } 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] [L1567] COND TRUE 1 [L1570] data++ 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 140.5MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1116.88ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 81.0MB in the end (delta: 18.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.55ms. Allocated memory is still 140.5MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.72ms. Allocated memory is still 140.5MB. Free memory was 78.2MB in the beginning and 76.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.04ms. Allocated memory is still 140.5MB. Free memory was 76.1MB in the beginning and 61.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 680.18ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 61.4MB in the beginning and 134.0MB in the end (delta: -72.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 195.0MB. Free memory was 134.0MB in the beginning and 132.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: IdentifierExpression #t~post101 could not be translated - 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 [2023-12-02 22:24:21,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/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_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/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_377aa4f9-0198-4be2-876c-ef55cacd551c/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 2098b126dd7de75eecbf2e4743a2e50bd5d2b8da3ec049db3bbe67b9738f4707 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:24:23,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:24:23,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:24:23,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:24:23,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:24:23,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:24:23,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:24:23,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:24:23,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:24:23,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:24:23,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:24:23,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:24:23,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:24:23,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:24:23,481 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:24:23,481 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:24:23,482 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:24:23,482 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:24:23,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:24:23,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:24:23,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:24:23,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:24:23,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:24:23,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:24:23,485 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:23,486 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:24:23,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:24:23,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:23,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:24:23,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:24:23,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:24:23,488 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:24:23,488 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:23,489 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:24:23,489 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:24:23,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:24:23,489 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_377aa4f9-0198-4be2-876c-ef55cacd551c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2098b126dd7de75eecbf2e4743a2e50bd5d2b8da3ec049db3bbe67b9738f4707 [2023-12-02 22:24:23,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:24:23,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:24:23,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:24:23,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:24:23,799 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:24:23,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_16_bad.i [2023-12-02 22:24:26,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:24:26,933 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:24:26,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_16_bad.i [2023-12-02 22:24:26,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/data/8153f9f7a/ba2c420a6d9e4d5f8af3f593aac7fbbd/FLAG713d22e9b [2023-12-02 22:24:26,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/data/8153f9f7a/ba2c420a6d9e4d5f8af3f593aac7fbbd [2023-12-02 22:24:26,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:24:26,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:24:26,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:26,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:24:26,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:24:26,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:26" (1/1) ... [2023-12-02 22:24:26,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39baf6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:26, skipping insertion in model container [2023-12-02 22:24:26,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:26" (1/1) ... [2023-12-02 22:24:27,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:27,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:27,896 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:24:27,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:28,138 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:28,139 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:28,139 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:28,139 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:28,139 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:28,147 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:24:28,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28 WrapperNode [2023-12-02 22:24:28,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:28,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:28,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:24:28,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:24:28,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,208 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2023-12-02 22:24:28,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:28,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:24:28,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:24:28,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:24:28,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:24:28,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:24:28,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:24:28,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:24:28,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:28,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:24:28,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:24:28,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:24:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:24:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:24:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:24:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:24:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:24:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:24:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:24:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:24:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:24:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:24:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 22:24:28,471 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:24:28,473 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:24:28,599 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:24:28,641 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:24:28,641 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:24:28,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:28 BoogieIcfgContainer [2023-12-02 22:24:28,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:24:28,643 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:24:28,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:24:28,653 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:24:28,654 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:28" (1/1) ... [2023-12-02 22:24:28,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:24:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:28,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-02 22:24:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-02 22:24:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:24:28,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:28,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:28,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:28,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:28,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:24:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:28,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:28,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:24:28,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:28,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:24:28,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:28,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-12-02 22:24:28,982 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-12-02 22:24:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:24:28,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:28,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:28,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:28,984 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:28,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:24:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:29,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:29,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:29,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:24:29,403 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:24:29,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-02 22:24:29,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-12-02 22:24:29,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:24:29 ImpRootNode [2023-12-02 22:24:29,434 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:24:29,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:24:29,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:24:29,435 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:24:29,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:28" (3/4) ... [2023-12-02 22:24:29,437 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:24:29,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:24:29,439 INFO L158 Benchmark]: Toolchain (without parser) took 2461.74ms. Allocated memory is still 115.3MB. Free memory was 88.3MB in the beginning and 69.4MB in the end (delta: 18.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-12-02 22:24:29,440 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:29,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1168.87ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 84.1MB in the end (delta: 4.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:29,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.77ms. Allocated memory is still 115.3MB. Free memory was 84.1MB in the beginning and 81.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:29,442 INFO L158 Benchmark]: Boogie Preprocessor took 37.88ms. Allocated memory is still 115.3MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:29,442 INFO L158 Benchmark]: RCFGBuilder took 395.50ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 61.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:24:29,443 INFO L158 Benchmark]: CodeCheck took 790.64ms. Allocated memory is still 115.3MB. Free memory was 61.1MB in the beginning and 70.1MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:29,443 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 115.3MB. Free memory was 70.1MB in the beginning and 69.4MB in the end (delta: 661.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:29,446 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 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: 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 1558, overapproximation of large string literal at line 1580. 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); [L1580] 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) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_postinc_16_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 1 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } 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] [L1567] COND TRUE 1 [L1570] data++ 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1168.87ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 84.1MB in the end (delta: 4.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.77ms. Allocated memory is still 115.3MB. Free memory was 84.1MB in the beginning and 81.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.88ms. Allocated memory is still 115.3MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.50ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 61.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 790.64ms. Allocated memory is still 115.3MB. Free memory was 61.1MB in the beginning and 70.1MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 115.3MB. Free memory was 70.1MB in the beginning and 69.4MB in the end (delta: 661.5kB). 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: IdentifierExpression #t~post99 could not be translated - 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 [2023-12-02 22:24:29,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377aa4f9-0198-4be2-876c-ef55cacd551c/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