./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_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_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/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_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/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_13dad7de-e116-4b50-9c2e-e8bf66223dc9/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 cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:02:28,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:02:28,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:02:28,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:02:28,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:02:28,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:02:28,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:02:28,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:02:28,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:02:28,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:02:28,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:02:28,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:02:28,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:02:28,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:02:28,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:02:28,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:02:28,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:02:28,647 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:02:28,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:02:28,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:02:28,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:02:28,650 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:02:28,650 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:02:28,651 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:02:28,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:02:28,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:02:28,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:02:28,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:02:28,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:02:28,654 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:02:28,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:02:28,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:02:28,655 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_13dad7de-e116-4b50-9c2e-e8bf66223dc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d [2023-12-02 23:02:28,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:02:28,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:02:28,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:02:28,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:02:28,899 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:02:28,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-12-02 23:02:31,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:02:32,134 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:02:32,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-12-02 23:02:32,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/data/1701557c8/a134711ff6db4d7089a59d2e14e256ca/FLAG1b0e287b5 [2023-12-02 23:02:32,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/data/1701557c8/a134711ff6db4d7089a59d2e14e256ca [2023-12-02 23:02:32,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:02:32,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:02:32,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:02:32,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:02:32,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:02:32,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:32" (1/1) ... [2023-12-02 23:02:32,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d272962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:32, skipping insertion in model container [2023-12-02 23:02:32,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:32" (1/1) ... [2023-12-02 23:02:32,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:02:33,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:02:33,750 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:02:33,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:02:34,198 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:34,199 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:34,199 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:34,199 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:34,199 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:34,217 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:02:34,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34 WrapperNode [2023-12-02 23:02:34,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:02:34,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:02:34,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:02:34,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:02:34,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,287 INFO L138 Inliner]: procedures = 937, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-12-02 23:02:34,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:02:34,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:02:34,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:02:34,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:02:34,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:02:34,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:02:34,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:02:34,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:02:34,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:02:34,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:02:34,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:02:34,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:02:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:02:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:02:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:02:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:02:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:02:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:02:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:02:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:02:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:02:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 23:02:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:02:34,530 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:02:34,532 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:02:34,671 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:02:34,704 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:02:34,704 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:02:34,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:34 BoogieIcfgContainer [2023-12-02 23:02:34,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:02:34,707 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:02:34,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:02:34,716 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:02:34,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:34" (1/1) ... [2023-12-02 23:02:34,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:02:34,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-02 23:02:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-02 23:02:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:02:34,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:34,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:34,960 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 23:02:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-02 23:02:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-02 23:02:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:02:34,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:35,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:35,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:35,077 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 23:02:35,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:35,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2023-12-02 23:02:35,115 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-12-02 23:02:35,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:02:35,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:35,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:02:35,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:02:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:02:35,238 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 23:02:35,263 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet186 [2023-12-02 23:02:35,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:02:35 ImpRootNode [2023-12-02 23:02:35,269 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:02:35,270 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:02:35,270 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:02:35,270 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:02:35,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:34" (3/4) ... [2023-12-02 23:02:35,272 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:02:35,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:02:35,274 INFO L158 Benchmark]: Toolchain (without parser) took 3097.04ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 114.8MB in the beginning and 79.5MB in the end (delta: 35.3MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2023-12-02 23:02:35,275 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:02:35,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2040.31ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 114.8MB in the beginning and 130.8MB in the end (delta: -16.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2023-12-02 23:02:35,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.49ms. Allocated memory is still 186.6MB. Free memory was 129.8MB in the beginning and 126.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:02:35,277 INFO L158 Benchmark]: Boogie Preprocessor took 21.60ms. Allocated memory is still 186.6MB. Free memory was 126.6MB in the beginning and 124.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:02:35,278 INFO L158 Benchmark]: RCFGBuilder took 395.24ms. Allocated memory is still 186.6MB. Free memory was 124.6MB in the beginning and 108.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:02:35,278 INFO L158 Benchmark]: CodeCheck took 562.25ms. Allocated memory is still 186.6MB. Free memory was 108.8MB in the beginning and 80.5MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 23:02:35,279 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 186.6MB. Free memory was 80.5MB in the beginning and 79.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:02:35,282 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: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 39 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1853]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1842, overapproximation of large string literal at line 1861. 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); [L1861] 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) [L1861] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=19, argc=19, argv={18:29}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1862] CALL CWE190_Integer_Overflow__int_fgets_square_13_bad() [L1834] int data; [L1835] 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] [L1836] COND TRUE GLOBAL_CONST_FIVE==5 [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1840] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1842] EXPR data = atoi(inputBuffer) [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1838-L1848] { 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=-715827882, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1850] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-715827882, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1853] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-715827882, 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 0.20ms. Allocated memory is still 153.1MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2040.31ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 114.8MB in the beginning and 130.8MB in the end (delta: -16.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.49ms. Allocated memory is still 186.6MB. Free memory was 129.8MB in the beginning and 126.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.60ms. Allocated memory is still 186.6MB. Free memory was 126.6MB in the beginning and 124.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.24ms. Allocated memory is still 186.6MB. Free memory was 124.6MB in the beginning and 108.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 562.25ms. Allocated memory is still 186.6MB. Free memory was 108.8MB in the beginning and 80.5MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 186.6MB. Free memory was 80.5MB in the beginning and 79.5MB in the end (delta: 1.0MB). 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~nondet186 - 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 23:02:35,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/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_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/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_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/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_13dad7de-e116-4b50-9c2e-e8bf66223dc9/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 cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:02:37,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:02:37,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:02:37,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:02:37,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:02:37,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:02:37,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:02:37,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:02:37,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:02:37,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:02:37,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:02:37,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:02:37,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:02:37,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:02:37,346 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:02:37,346 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:02:37,347 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:02:37,347 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:02:37,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:02:37,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:02:37,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:02:37,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:02:37,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:02:37,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:02:37,351 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:37,352 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:02:37,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:02:37,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:02:37,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:02:37,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:02:37,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:02:37,354 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:02:37,355 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:37,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:02:37,355 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:02:37,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:02:37,356 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_13dad7de-e116-4b50-9c2e-e8bf66223dc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d [2023-12-02 23:02:37,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:02:37,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:02:37,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:02:37,648 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:02:37,648 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:02:37,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-12-02 23:02:40,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:02:40,877 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:02:40,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-12-02 23:02:40,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/data/e8e3d8b21/9b4741c768864b87ba1ec8fc486dd915/FLAG0dda5eb51 [2023-12-02 23:02:40,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/data/e8e3d8b21/9b4741c768864b87ba1ec8fc486dd915 [2023-12-02 23:02:40,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:02:40,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:02:40,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:02:40,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:02:40,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:02:40,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:40" (1/1) ... [2023-12-02 23:02:40,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5136bb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:40, skipping insertion in model container [2023-12-02 23:02:40,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:40" (1/1) ... [2023-12-02 23:02:41,005 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:02:42,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:02:42,308 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:02:42,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:02:42,720 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:42,721 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:42,721 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:42,721 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:42,721 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:02:42,729 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:02:42,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42 WrapperNode [2023-12-02 23:02:42,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:02:42,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:02:42,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:02:42,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:02:42,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,802 INFO L138 Inliner]: procedures = 942, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-12-02 23:02:42,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:02:42,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:02:42,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:02:42,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:02:42,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:02:42,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:02:42,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:02:42,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:02:42,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:42" (1/1) ... [2023-12-02 23:02:42,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:02:42,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:02:42,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:02:42,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:02:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:02:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:02:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:02:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:02:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:02:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 23:02:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:02:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:02:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:02:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:02:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:02:43,083 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:02:43,085 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:02:44,511 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:02:44,550 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:02:44,550 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:02:44,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:44 BoogieIcfgContainer [2023-12-02 23:02:44,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:02:44,552 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:02:44,552 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:02:44,560 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:02:44,560 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:44" (1/1) ... [2023-12-02 23:02:44,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:02:44,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-02 23:02:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-02 23:02:44,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:02:44,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:44,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:44,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:44,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:44,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:02:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:44,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:44,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:02:44,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:44,887 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 23:02:44,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:02:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:44,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 27 transitions. [2023-12-02 23:02:44,968 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-02 23:02:44,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:02:44,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:44,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:44,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:44,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:44,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dad7de-e116-4b50-9c2e-e8bf66223dc9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process