./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/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_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/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_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/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 77b5d4de755eb8d0cce7767d6753758f2d206d2dc7dc2844dc4408dee17fa119 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:55:05,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:55:05,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:55:05,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:55:05,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:55:05,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:55:05,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:55:05,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:55:05,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:55:05,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:55:05,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:55:05,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:55:05,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:55:05,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:55:05,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:55:05,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:55:05,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:55:05,309 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:55:05,309 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:55:05,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:55:05,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:55:05,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:55:05,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:55:05,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:55:05,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:55:05,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:05,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:55:05,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:55:05,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:55:05,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:55:05,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:55:05,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:55:05,315 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_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77b5d4de755eb8d0cce7767d6753758f2d206d2dc7dc2844dc4408dee17fa119 [2023-12-02 22:55:05,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:55:05,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:55:05,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:55:05,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:55:05,566 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:55:05,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i [2023-12-02 22:55:08,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:55:08,647 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:55:08,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i [2023-12-02 22:55:08,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/data/28f2eb5ff/dccf5e032eee4e518dd5ee0bcaa55ea0/FLAG9969f6baa [2023-12-02 22:55:08,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/data/28f2eb5ff/dccf5e032eee4e518dd5ee0bcaa55ea0 [2023-12-02 22:55:08,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:55:08,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:55:08,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:08,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:55:08,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:55:08,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:08" (1/1) ... [2023-12-02 22:55:08,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0d88b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:08, skipping insertion in model container [2023-12-02 22:55:08,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:08" (1/1) ... [2023-12-02 22:55:08,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:55:10,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:10,121 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:55:10,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:10,580 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:10,581 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:10,581 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:10,581 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:10,581 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:10,589 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:55:10,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10 WrapperNode [2023-12-02 22:55:10,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:10,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:10,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:55:10,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:55:10,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,661 INFO L138 Inliner]: procedures = 937, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-12-02 22:55:10,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:10,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:55:10,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:55:10,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:55:10,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:55:10,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:55:10,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:55:10,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:55:10,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:10" (1/1) ... [2023-12-02 22:55:10,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:10,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:55:10,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:55:10,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:55:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:55:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:55:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:55:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:55:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:55:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:55:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:55:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:55:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:55:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:55:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:55:10,896 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:55:10,898 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:55:11,013 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:55:11,064 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:55:11,064 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:55:11,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:55:11 BoogieIcfgContainer [2023-12-02 22:55:11,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:55:11,067 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:55:11,067 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:55:11,075 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:55:11,075 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:55:11" (1/1) ... [2023-12-02 22:55:11,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:55:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 22:55:11,136 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 22:55:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:55:11,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:11,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:55:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:55:11,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 22:55:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 22:55:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:55:11,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:11,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:55:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:55:11,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:55:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:55:11,495 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:55:11,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet186 [2023-12-02 22:55:11,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:55:11 ImpRootNode [2023-12-02 22:55:11,525 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:55:11,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:55:11,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:55:11,526 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:55:11,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:55:11" (3/4) ... [2023-12-02 22:55:11,528 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:55:11,529 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:55:11,530 INFO L158 Benchmark]: Toolchain (without parser) took 2833.54ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 109.1MB in the beginning and 130.1MB in the end (delta: -21.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-12-02 22:55:11,530 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:55:11,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1892.30ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 71.1MB in the end (delta: 37.4MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2023-12-02 22:55:11,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.85ms. Allocated memory is still 159.4MB. Free memory was 71.1MB in the beginning and 67.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:55:11,532 INFO L158 Benchmark]: Boogie Preprocessor took 27.98ms. Allocated memory is still 159.4MB. Free memory was 67.0MB in the beginning and 66.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:55:11,533 INFO L158 Benchmark]: RCFGBuilder took 375.31ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 66.0MB in the beginning and 154.2MB in the end (delta: -88.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:55:11,534 INFO L158 Benchmark]: CodeCheck took 458.45ms. Allocated memory is still 195.0MB. Free memory was 154.2MB in the beginning and 131.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:55:11,534 INFO L158 Benchmark]: Witness Printer took 3.31ms. Allocated memory is still 195.0MB. Free memory was 131.1MB in the beginning and 130.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:55:11,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1852]: 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 1859. 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); [L1859] 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) [L1859] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:29}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1860] CALL CWE190_Integer_Overflow__int_fgets_square_18_bad() [L1834] int data; [L1835] data = 0 [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=107373664, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=107373664, 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 0.18ms. Allocated memory is still 115.3MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1892.30ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 71.1MB in the end (delta: 37.4MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.85ms. Allocated memory is still 159.4MB. Free memory was 71.1MB in the beginning and 67.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.98ms. Allocated memory is still 159.4MB. Free memory was 67.0MB in the beginning and 66.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.31ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 66.0MB in the beginning and 154.2MB in the end (delta: -88.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 458.45ms. Allocated memory is still 195.0MB. Free memory was 154.2MB in the beginning and 131.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.31ms. Allocated memory is still 195.0MB. Free memory was 131.1MB in the beginning and 130.1MB 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 22:55:11,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/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_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/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_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/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 77b5d4de755eb8d0cce7767d6753758f2d206d2dc7dc2844dc4408dee17fa119 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:55:13,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:55:13,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:55:13,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:55:13,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:55:13,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:55:13,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:55:13,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:55:13,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:55:13,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:55:13,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:55:13,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:55:13,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:55:13,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:55:13,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:55:13,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:55:13,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:55:13,674 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:55:13,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:55:13,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:55:13,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:55:13,676 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:55:13,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:55:13,677 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:55:13,677 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:13,678 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:55:13,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:55:13,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:13,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:55:13,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:55:13,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:55:13,680 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:55:13,681 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:13,681 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:55:13,681 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:55:13,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:55:13,682 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_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77b5d4de755eb8d0cce7767d6753758f2d206d2dc7dc2844dc4408dee17fa119 [2023-12-02 22:55:13,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:55:13,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:55:13,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:55:13,988 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:55:13,989 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:55:13,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i [2023-12-02 22:55:16,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:55:17,103 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:55:17,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i [2023-12-02 22:55:17,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/data/92a6b6e3d/d088c0745c944b48a3e2047489936ecf/FLAG2b24edd49 [2023-12-02 22:55:17,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/data/92a6b6e3d/d088c0745c944b48a3e2047489936ecf [2023-12-02 22:55:17,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:55:17,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:55:17,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:17,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:55:17,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:55:17,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:17" (1/1) ... [2023-12-02 22:55:17,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5311022c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:17, skipping insertion in model container [2023-12-02 22:55:17,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:17" (1/1) ... [2023-12-02 22:55:17,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:55:18,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:18,545 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:55:18,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:18,977 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:18,978 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:18,978 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:18,978 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:18,978 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:18,985 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:55:18,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18 WrapperNode [2023-12-02 22:55:18,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:18,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:18,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:55:18,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:55:18,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,054 INFO L138 Inliner]: procedures = 942, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-12-02 22:55:19,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:19,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:55:19,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:55:19,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:55:19,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:55:19,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:55:19,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:55:19,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:55:19,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:18" (1/1) ... [2023-12-02 22:55:19,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:19,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:55:19,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:55:19,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:55:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:55:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:55:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:55:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:55:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:55:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 22:55:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:55:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:55:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:55:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:55:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:55:19,320 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:55:19,321 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:55:20,994 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:55:21,061 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:55:21,062 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:55:21,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:55:21 BoogieIcfgContainer [2023-12-02 22:55:21,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:55:21,064 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:55:21,064 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:55:21,084 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:55:21,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:55:21" (1/1) ... [2023-12-02 22:55:21,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:55:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 22:55:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 22:55:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:55:21,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:21,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:21,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:21,157 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:21,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf3b72-631e-433c-b4c5-d4e26d2aefff/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process