./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_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_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/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_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/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_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/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 bde35519349d7c5ad96c6c4f64cc23cbdee5702940663566e54ee232d1d054d9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:42:46,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:42:46,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:42:46,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:42:46,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:42:46,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:42:46,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:42:46,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:42:46,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:42:46,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:42:46,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:42:46,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:42:46,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:42:46,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:42:46,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:42:46,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:42:46,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:42:46,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:42:46,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:42:46,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:42:46,925 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:42:46,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:42:46,926 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:42:46,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:42:46,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:42:46,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:42:46,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:42:46,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:42:46,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:42:46,929 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:42:46,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:42:46,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:42:46,931 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_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde35519349d7c5ad96c6c4f64cc23cbdee5702940663566e54ee232d1d054d9 [2023-12-02 21:42:47,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:42:47,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:42:47,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:42:47,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:42:47,203 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:42:47,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i [2023-12-02 21:42:50,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:42:50,627 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:42:50,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i [2023-12-02 21:42:50,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/data/a28e44c02/293570dd742740249eaa51e241740a1f/FLAG90e22c977 [2023-12-02 21:42:50,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/data/a28e44c02/293570dd742740249eaa51e241740a1f [2023-12-02 21:42:50,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:42:50,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:42:50,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:42:50,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:42:50,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:42:50,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:42:50" (1/1) ... [2023-12-02 21:42:50,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cff7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:50, skipping insertion in model container [2023-12-02 21:42:50,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:42:50" (1/1) ... [2023-12-02 21:42:50,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:42:52,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:42:52,443 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:42:52,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:42:52,981 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:42:52,982 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:42:52,982 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:42:52,982 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:42:52,982 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:42:52,991 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:42:52,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52 WrapperNode [2023-12-02 21:42:52,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:42:52,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:42:52,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:42:52,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:42:52,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,060 INFO L138 Inliner]: procedures = 937, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-12-02 21:42:53,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:42:53,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:42:53,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:42:53,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:42:53,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:42:53,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:42:53,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:42:53,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:42:53,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:52" (1/1) ... [2023-12-02 21:42:53,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:42:53,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:42:53,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:42:53,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:42:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:42:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:42:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:42:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:42:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:42:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:42:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:42:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:42:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:42:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 21:42:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:42:53,310 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:42:53,312 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:42:53,434 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:42:53,474 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:42:53,474 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:42:53,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:42:53 BoogieIcfgContainer [2023-12-02 21:42:53,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:42:53,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:42:53,478 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:42:53,488 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:42:53,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:42:53" (1/1) ... [2023-12-02 21:42:53,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:42:53,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:42:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:42:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:42:53,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:53,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:53,791 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 21:42:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 21:42:53,814 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 21:42:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:42:53,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:53,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:42:53,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:42:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:42:53,954 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 21:42:53,979 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet186 [2023-12-02 21:42:53,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:42:53 ImpRootNode [2023-12-02 21:42:53,985 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:42:53,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:42:53,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:42:53,986 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:42:53,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:42:53" (3/4) ... [2023-12-02 21:42:53,989 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:42:53,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:42:53,992 INFO L158 Benchmark]: Toolchain (without parser) took 3315.97ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 110.3MB in the beginning and 140.7MB in the end (delta: -30.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-12-02 21:42:53,992 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:42:53,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2314.55ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 110.3MB in the beginning and 110.4MB in the end (delta: -45.5kB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-12-02 21:42:53,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.00ms. Allocated memory is still 199.2MB. Free memory was 110.4MB in the beginning and 106.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:42:53,995 INFO L158 Benchmark]: Boogie Preprocessor took 23.29ms. Allocated memory is still 199.2MB. Free memory was 106.1MB in the beginning and 104.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:42:53,995 INFO L158 Benchmark]: RCFGBuilder took 390.84ms. Allocated memory is still 199.2MB. Free memory was 104.1MB in the beginning and 89.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:42:53,996 INFO L158 Benchmark]: CodeCheck took 508.01ms. Allocated memory is still 199.2MB. Free memory was 89.4MB in the beginning and 140.7MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:42:53,996 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 199.2MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:42:54,000 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 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: 1848]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1840, overapproximation of large string literal at line 1855. 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); [L1855] 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) [L1855] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1856] CALL CWE190_Integer_Overflow__int_fgets_square_01_bad() [L1834] int data; [L1835] data = 0 [L1837] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1838] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1840] EXPR data = atoi(inputBuffer) [L1837] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1836-L1846] { 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=-1073740792, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1848] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073740792, 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 0.24ms. Allocated memory is still 104.9MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2314.55ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 110.3MB in the beginning and 110.4MB in the end (delta: -45.5kB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.00ms. Allocated memory is still 199.2MB. Free memory was 110.4MB in the beginning and 106.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.29ms. Allocated memory is still 199.2MB. Free memory was 106.1MB in the beginning and 104.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.84ms. Allocated memory is still 199.2MB. Free memory was 104.1MB in the beginning and 89.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 508.01ms. Allocated memory is still 199.2MB. Free memory was 89.4MB in the beginning and 140.7MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 199.2MB. Free memory is still 140.7MB. 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 21:42:54,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/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_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/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_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/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_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/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 bde35519349d7c5ad96c6c4f64cc23cbdee5702940663566e54ee232d1d054d9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:42:56,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:42:56,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:42:56,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:42:56,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:42:56,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:42:56,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:42:56,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:42:56,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:42:56,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:42:56,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:42:56,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:42:56,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:42:56,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:42:56,280 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:42:56,281 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:42:56,281 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:42:56,282 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:42:56,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:42:56,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:42:56,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:42:56,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:42:56,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:42:56,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:42:56,286 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:56,287 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:42:56,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:42:56,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:42:56,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:42:56,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:42:56,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:42:56,290 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:42:56,290 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:56,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:42:56,290 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:42:56,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:42:56,291 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_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde35519349d7c5ad96c6c4f64cc23cbdee5702940663566e54ee232d1d054d9 [2023-12-02 21:42:56,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:42:56,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:42:56,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:42:56,630 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:42:56,630 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:42:56,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i [2023-12-02 21:42:59,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:43:00,122 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:43:00,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i [2023-12-02 21:43:00,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/data/e2e942db9/e535f04132ea4c008c7d9c0ba99c3c74/FLAG70306b254 [2023-12-02 21:43:00,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/data/e2e942db9/e535f04132ea4c008c7d9c0ba99c3c74 [2023-12-02 21:43:00,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:43:00,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:43:00,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:43:00,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:43:00,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:43:00,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:43:00" (1/1) ... [2023-12-02 21:43:00,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c65c50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:00, skipping insertion in model container [2023-12-02 21:43:00,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:43:00" (1/1) ... [2023-12-02 21:43:00,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:43:01,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:43:01,788 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:43:01,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:43:02,159 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:43:02,159 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:43:02,159 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:43:02,160 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:43:02,160 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:43:02,166 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:43:02,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02 WrapperNode [2023-12-02 21:43:02,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:43:02,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:43:02,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:43:02,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:43:02,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,241 INFO L138 Inliner]: procedures = 942, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-12-02 21:43:02,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:43:02,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:43:02,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:43:02,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:43:02,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:43:02,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:43:02,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:43:02,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:43:02,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:02,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:43:02,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:43:02,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:43:02,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:43:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:43:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:43:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:43:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:43:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:43:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 21:43:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:43:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:43:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:43:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:43:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:43:02,516 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:43:02,518 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:43:02,930 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:43:02,979 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:43:02,979 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:43:02,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:43:02 BoogieIcfgContainer [2023-12-02 21:43:02,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:43:02,982 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:43:02,982 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:43:02,991 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:43:02,992 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:43:02" (1/1) ... [2023-12-02 21:43:03,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:43:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:43:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:43:03,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:43:03,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:03,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:03,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:03,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:03,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5435d6d7-ecd1-48d3-ac0e-6d671900e6fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process