./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV --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 67bfc8ab8a5a59f64f256243a50107eda517afb3be860cf7e0a823090ef09e40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:07:10,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:07:10,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:07:10,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:07:10,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:07:10,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:07:10,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:07:10,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:07:10,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:07:10,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:07:10,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:07:10,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:07:10,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:07:10,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:07:10,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:07:10,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:07:10,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:07:10,472 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:07:10,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:07:10,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:07:10,474 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:07:10,481 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:07:10,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:07:10,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:07:10,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:10,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:07:10,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:07:10,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:07:10,485 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:07:10,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:07:10,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:07:10,487 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_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67bfc8ab8a5a59f64f256243a50107eda517afb3be860cf7e0a823090ef09e40 [2023-11-12 00:07:10,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:07:10,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:07:10,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:07:10,839 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:07:10,840 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:07:10,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_02_bad.i [2023-11-12 00:07:14,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:14,431 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:14,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_02_bad.i [2023-11-12 00:07:14,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/data/90e10f9c2/62370e8869d2433bbb91f8db1f424426/FLAGd79c73814 [2023-11-12 00:07:14,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/data/90e10f9c2/62370e8869d2433bbb91f8db1f424426 [2023-11-12 00:07:14,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:14,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:14,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:14,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:14,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:14,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:14" (1/1) ... [2023-11-12 00:07:14,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f4d422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:14, skipping insertion in model container [2023-11-12 00:07:14,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:14" (1/1) ... [2023-11-12 00:07:14,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:07:14,987 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:07:15,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:15,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:07:15,618 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:07:15,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:15,936 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:15,936 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:15,936 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:15,937 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:15,937 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:15,937 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:15,945 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:07:15,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15 WrapperNode [2023-11-12 00:07:15,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:15,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:15,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:07:15,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:07:15,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:15,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,007 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-12 00:07:16,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:16,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:07:16,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:07:16,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:07:16,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:07:16,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:07:16,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:07:16,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:07:16,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:15" (1/1) ... [2023-11-12 00:07:16,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:16,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:07:16,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:07:16,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:07:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:07:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:07:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:07:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:07:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:07:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:07:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:07:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:07:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:07:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:07:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:07:16,364 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:07:16,367 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:16,510 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:16,552 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:16,553 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:07:16,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:16 BoogieIcfgContainer [2023-11-12 00:07:16,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:07:16,557 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:07:16,557 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:07:16,572 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:07:16,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:16" (1/1) ... [2023-11-12 00:07:16,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:07:16,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-12 00:07:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-12 00:07:16,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:07:16,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:16,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:16,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-12 00:07:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-12 00:07:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:07:16,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:16,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:07:16,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:07:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:07:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:07:17,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:07:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:07:17,074 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-12 00:07:17,129 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-12 00:07:17,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:07:17 ImpRootNode [2023-11-12 00:07:17,134 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:07:17,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:07:17,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:07:17,135 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:07:17,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:16" (3/4) ... [2023-11-12 00:07:17,138 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:07:17,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:07:17,141 INFO L158 Benchmark]: Toolchain (without parser) took 2661.82ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 112.7MB in the end (delta: -52.4kB). Peak memory consumption was 870.9kB. Max. memory is 16.1GB. [2023-11-12 00:07:17,142 INFO L158 Benchmark]: CDTParser took 14.18ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 75.0MB in the end (delta: -22.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-12 00:07:17,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1465.72ms. Allocated memory is still 159.4MB. Free memory was 112.2MB in the beginning and 90.0MB in the end (delta: 22.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-12 00:07:17,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.97ms. Allocated memory is still 159.4MB. Free memory was 90.0MB in the beginning and 86.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:17,144 INFO L158 Benchmark]: Boogie Preprocessor took 30.11ms. Allocated memory is still 159.4MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:17,145 INFO L158 Benchmark]: RCFGBuilder took 517.06ms. Allocated memory is still 159.4MB. Free memory was 84.9MB in the beginning and 70.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:07:17,146 INFO L158 Benchmark]: CodeCheck took 577.52ms. Allocated memory is still 159.4MB. Free memory was 70.2MB in the beginning and 113.7MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:07:17,146 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 112.7MB in the end (delta: 956.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:07:17,150 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 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, 53 GetRequests, 53 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, 18 NumberOfCodeBlocks, 18 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1578] 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) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:28}, argv={12:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_postdec_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, 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 14.18ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 75.0MB in the end (delta: -22.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1465.72ms. Allocated memory is still 159.4MB. Free memory was 112.2MB in the beginning and 90.0MB in the end (delta: 22.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.97ms. Allocated memory is still 159.4MB. Free memory was 90.0MB in the beginning and 86.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.11ms. Allocated memory is still 159.4MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.06ms. Allocated memory is still 159.4MB. Free memory was 84.9MB in the beginning and 70.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 577.52ms. Allocated memory is still 159.4MB. Free memory was 70.2MB in the beginning and 113.7MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 112.7MB in the end (delta: 956.7kB). 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: IdentifierExpression #t~post100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:07:17,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/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_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV --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 67bfc8ab8a5a59f64f256243a50107eda517afb3be860cf7e0a823090ef09e40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:07:19,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:07:19,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-12 00:07:20,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:07:20,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:07:20,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:07:20,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:07:20,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:07:20,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:07:20,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:07:20,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:07:20,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:07:20,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:07:20,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:07:20,031 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:07:20,031 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:07:20,031 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:07:20,032 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:07:20,032 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:07:20,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:07:20,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:07:20,035 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:07:20,035 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:07:20,036 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:07:20,036 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:20,037 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:07:20,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:07:20,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:20,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:07:20,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:07:20,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:07:20,040 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:07:20,040 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:20,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:07:20,041 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:07:20,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:07:20,041 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_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67bfc8ab8a5a59f64f256243a50107eda517afb3be860cf7e0a823090ef09e40 [2023-11-12 00:07:20,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:07:20,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:07:20,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:07:20,477 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:07:20,477 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:07:20,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_02_bad.i [2023-11-12 00:07:23,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:24,133 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:24,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_02_bad.i [2023-11-12 00:07:24,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/data/9eeb61760/bda96c8428d64689b97f8ec04e55a609/FLAG3ea4e5a8c [2023-11-12 00:07:24,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/data/9eeb61760/bda96c8428d64689b97f8ec04e55a609 [2023-11-12 00:07:24,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:24,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:24,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:24,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:24,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:24,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bc60e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24, skipping insertion in model container [2023-11-12 00:07:24,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:07:24,817 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:07:25,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:25,413 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:07:25,453 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:07:25,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:25,752 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:25,752 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:25,752 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:25,753 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:25,753 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:25,753 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:25,761 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:07:25,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25 WrapperNode [2023-11-12 00:07:25,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:25,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:25,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:07:25,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:07:25,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,851 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-12 00:07:25,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:25,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:07:25,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:07:25,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:07:25,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:07:25,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:07:25,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:07:25,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:07:25,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:25" (1/1) ... [2023-11-12 00:07:25,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:25,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:07:25,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:07:25,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:07:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:07:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:07:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:07:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:07:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:07:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:07:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:07:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:07:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:07:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:07:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-12 00:07:26,199 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:07:26,201 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:26,345 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:26,389 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:26,389 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:07:26,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:26 BoogieIcfgContainer [2023-11-12 00:07:26,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:07:26,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:07:26,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:07:26,405 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:07:26,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:26" (1/1) ... [2023-11-12 00:07:26,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:07:26,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-12 00:07:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-12 00:07:26,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:07:26,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:26,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:26,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:07:26,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:07:26,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:07:26,572 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort RoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:07:26,576 INFO L158 Benchmark]: Toolchain (without parser) took 2375.57ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.9MB in the beginning and 37.0MB in the end (delta: 6.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-12 00:07:26,577 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:07:26,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1559.42ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.7MB in the beginning and 39.8MB in the end (delta: 3.9MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-11-12 00:07:26,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.27ms. Allocated memory is still 86.0MB. Free memory was 39.8MB in the beginning and 36.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:26,579 INFO L158 Benchmark]: Boogie Preprocessor took 72.43ms. Allocated memory is still 86.0MB. Free memory was 36.9MB in the beginning and 34.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:26,580 INFO L158 Benchmark]: RCFGBuilder took 465.22ms. Allocated memory is still 86.0MB. Free memory was 34.9MB in the beginning and 42.8MB in the end (delta: -7.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-12 00:07:26,581 INFO L158 Benchmark]: CodeCheck took 181.31ms. Allocated memory is still 86.0MB. Free memory was 42.8MB in the beginning and 37.0MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:07:26,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort RoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1559.42ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.7MB in the beginning and 39.8MB in the end (delta: 3.9MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.27ms. Allocated memory is still 86.0MB. Free memory was 39.8MB in the beginning and 36.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.43ms. Allocated memory is still 86.0MB. Free memory was 36.9MB in the beginning and 34.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.22ms. Allocated memory is still 86.0MB. Free memory was 34.9MB in the beginning and 42.8MB in the end (delta: -7.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * CodeCheck took 181.31ms. Allocated memory is still 86.0MB. Free memory was 42.8MB in the beginning and 37.0MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:07:26,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:07:26,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19cec15-5780-4ee1-b08a-8e3535b9f464/bin/ukojak-verify-0OAaufAVZV/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared