./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_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_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/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_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/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_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/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 4d781dd7e1799455c731ceff1510bbd253f2e69e537692c29035a826a8ed3012 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:59:08,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:59:08,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:59:08,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:59:08,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:59:08,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:59:08,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:59:08,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:59:08,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:59:08,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:59:08,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:59:08,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:59:08,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:59:08,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:59:08,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:59:08,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:59:08,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:59:08,254 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:59:08,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:59:08,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:59:08,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:59:08,257 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:59:08,257 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:59:08,257 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:59:08,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:59:08,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:59:08,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:59:08,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:59:08,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:59:08,260 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:59:08,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:59:08,261 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:59:08,261 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_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d781dd7e1799455c731ceff1510bbd253f2e69e537692c29035a826a8ed3012 [2023-12-03 01:59:08,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:59:08,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:59:08,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:59:08,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:59:08,493 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:59:08,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i [2023-12-03 01:59:11,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:59:11,600 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:59:11,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i [2023-12-03 01:59:11,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/data/c595f3af6/ac905703b16141d58097079785985b1a/FLAG2691772dc [2023-12-03 01:59:11,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/data/c595f3af6/ac905703b16141d58097079785985b1a [2023-12-03 01:59:11,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:59:11,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:59:11,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:59:11,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:59:11,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:59:11,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:59:11" (1/1) ... [2023-12-03 01:59:11,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5d3e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:11, skipping insertion in model container [2023-12-03 01:59:11,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:59:11" (1/1) ... [2023-12-03 01:59:11,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:59:12,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:59:12,997 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:59:13,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:59:13,467 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:13,467 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:13,467 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:13,467 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:13,468 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:13,474 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:59:13,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13 WrapperNode [2023-12-03 01:59:13,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:59:13,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:59:13,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:59:13,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:59:13,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,540 INFO L138 Inliner]: procedures = 937, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-12-03 01:59:13,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:59:13,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:59:13,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:59:13,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:59:13,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:59:13,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:59:13,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:59:13,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:59:13,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:59:13,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:59:13,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:59:13,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:59:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:59:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:59:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:59:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:59:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:59:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 01:59:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:59:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:59:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:59:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 01:59:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:59:13,769 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:59:13,771 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:59:13,893 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:59:13,931 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:59:13,931 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:59:13,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:13 BoogieIcfgContainer [2023-12-03 01:59:13,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:59:13,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:59:13,934 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:59:13,943 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:59:13,943 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:13" (1/1) ... [2023-12-03 01:59:13,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:59:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:13,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2023-12-03 01:59:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-12-03 01:59:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:59:14,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:14,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:14,165 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 01:59:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-12-03 01:59:14,187 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-12-03 01:59:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:59:14,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:14,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:14,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:59:14,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:14,267 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 01:59:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 27 transitions. [2023-12-03 01:59:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 01:59:14,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:59:14,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:14,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:59:14,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:59:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:59:14,397 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 01:59:14,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet190 [2023-12-03 01:59:14,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch182 could not be translated [2023-12-03 01:59:14,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch187 could not be translated [2023-12-03 01:59:14,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch187 could not be translated [2023-12-03 01:59:14,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:59:14 ImpRootNode [2023-12-03 01:59:14,431 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:59:14,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:59:14,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:59:14,432 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:59:14,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:13" (3/4) ... [2023-12-03 01:59:14,435 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:59:14,436 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:59:14,437 INFO L158 Benchmark]: Toolchain (without parser) took 2798.47ms. Allocated memory is still 176.2MB. Free memory was 135.9MB in the beginning and 61.3MB in the end (delta: 74.7MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2023-12-03 01:59:14,437 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:59:14,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1835.51ms. Allocated memory is still 176.2MB. Free memory was 135.9MB in the beginning and 112.7MB in the end (delta: 23.3MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2023-12-03 01:59:14,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.64ms. Allocated memory is still 176.2MB. Free memory was 112.7MB in the beginning and 108.4MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:59:14,439 INFO L158 Benchmark]: Boogie Preprocessor took 26.58ms. Allocated memory is still 176.2MB. Free memory was 108.4MB in the beginning and 107.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:59:14,439 INFO L158 Benchmark]: RCFGBuilder took 364.20ms. Allocated memory is still 176.2MB. Free memory was 107.3MB in the beginning and 90.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:59:14,440 INFO L158 Benchmark]: CodeCheck took 497.56ms. Allocated memory is still 176.2MB. Free memory was 90.6MB in the beginning and 62.3MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 01:59:14,440 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 176.2MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:59:14,443 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 43 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 2 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: 1859]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1843, overapproximation of large string literal at line 1871. 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); [L1871] 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={6:0}] [L1414] COND TRUE line != ((void *)0) [L1871] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:31}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1872] CALL CWE190_Integer_Overflow__int_fgets_square_15_bad() [L1834] int data; [L1835] data = 0 [L1838] case 6: [L1840] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1838] case 6: [L1843] EXPR data = atoi(inputBuffer) [L1840] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1839-L1849] { 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=536870912, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1857] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=536870912, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1859] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=536870912, 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 109.1MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1835.51ms. Allocated memory is still 176.2MB. Free memory was 135.9MB in the beginning and 112.7MB in the end (delta: 23.3MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.64ms. Allocated memory is still 176.2MB. Free memory was 112.7MB in the beginning and 108.4MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.58ms. Allocated memory is still 176.2MB. Free memory was 108.4MB in the beginning and 107.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 364.20ms. Allocated memory is still 176.2MB. Free memory was 107.3MB in the beginning and 90.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 497.56ms. Allocated memory is still 176.2MB. Free memory was 90.6MB in the beginning and 62.3MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 176.2MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet190 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch182 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch187 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch187 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 [2023-12-03 01:59:14,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/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_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/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_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/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_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/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 4d781dd7e1799455c731ceff1510bbd253f2e69e537692c29035a826a8ed3012 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:59:16,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:59:16,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:59:16,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:59:16,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:59:16,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:59:16,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:59:16,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:59:16,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:59:16,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:59:16,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:59:16,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:59:16,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:59:16,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:59:16,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:59:16,518 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:59:16,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:59:16,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:59:16,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:59:16,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:59:16,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:59:16,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:59:16,521 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:59:16,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:59:16,522 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:16,523 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:59:16,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:59:16,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:59:16,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:59:16,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:59:16,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:59:16,525 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:59:16,526 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:16,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:59:16,526 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:59:16,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:59:16,527 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_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d781dd7e1799455c731ceff1510bbd253f2e69e537692c29035a826a8ed3012 [2023-12-03 01:59:16,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:59:16,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:59:16,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:59:16,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:59:16,821 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:59:16,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i [2023-12-03 01:59:19,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:59:19,931 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:59:19,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i [2023-12-03 01:59:19,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/data/32520f0a7/cb9ffa5f32a04a00927cb96661e5322c/FLAGcbc6813fc [2023-12-03 01:59:19,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/data/32520f0a7/cb9ffa5f32a04a00927cb96661e5322c [2023-12-03 01:59:19,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:59:19,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:59:19,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:59:19,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:59:19,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:59:19,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:59:19" (1/1) ... [2023-12-03 01:59:19,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffcef43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:19, skipping insertion in model container [2023-12-03 01:59:19,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:59:19" (1/1) ... [2023-12-03 01:59:20,029 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:59:21,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:59:21,221 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:59:21,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:59:21,506 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:21,507 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:21,507 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:21,507 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:21,507 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:59:21,513 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:59:21,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21 WrapperNode [2023-12-03 01:59:21,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:59:21,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:59:21,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:59:21,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:59:21,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,587 INFO L138 Inliner]: procedures = 942, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-12-03 01:59:21,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:59:21,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:59:21,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:59:21,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:59:21,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:59:21,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:59:21,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:59:21,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:59:21,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:21" (1/1) ... [2023-12-03 01:59:21,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:59:21,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:59:21,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:59:21,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:59:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:59:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:59:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:59:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:59:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:59:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 01:59:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 01:59:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:59:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:59:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:59:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:59:21,854 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:59:21,857 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:59:25,141 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:59:25,183 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:59:25,184 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:59:25,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:25 BoogieIcfgContainer [2023-12-03 01:59:25,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:59:25,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:59:25,187 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:59:25,201 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:59:25,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:25" (1/1) ... [2023-12-03 01:59:25,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:59:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:25,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2023-12-03 01:59:25,265 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-12-03 01:59:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:59:25,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:25,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:25,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:59:25,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:59:25,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:59:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:25,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:59:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:25,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:59:25,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:25,522 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 01:59:25,524 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:59:25,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:59:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 28 transitions. [2023-12-03 01:59:25,577 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-12-03 01:59:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:59:25,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:25,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:25,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:59:25,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:59:25,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9817f2a1-02ff-42eb-afc8-7fdc60a5069f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process