./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/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_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/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_49569cef-7025-4077-a3f9-1def1dd0af2c/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 df277f58f46d354e5bc0043e6ff8a219c29a737b99ac3678751a9ca7c8f5ce9e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:05:23,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:05:23,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:05:23,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:05:23,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:05:23,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:05:23,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:05:23,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:05:23,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:05:23,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:05:23,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:05:23,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:05:23,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:05:23,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:05:23,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:05:23,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:05:23,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:05:23,547 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:05:23,547 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:05:23,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:05:23,548 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:05:23,549 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:05:23,549 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:05:23,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:05:23,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:23,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:05:23,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:05:23,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:05:23,552 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:05:23,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:05:23,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:05:23,554 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_49569cef-7025-4077-a3f9-1def1dd0af2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df277f58f46d354e5bc0043e6ff8a219c29a737b99ac3678751a9ca7c8f5ce9e [2023-11-12 00:05:23,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:05:23,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:05:23,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:05:23,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:05:23,915 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:05:23,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_good.i [2023-11-12 00:05:27,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:05:27,519 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:05:27,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_good.i [2023-11-12 00:05:27,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/data/5f668ffdb/6271aa16f6ef4c29a101fff371b125ee/FLAG743875863 [2023-11-12 00:05:27,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/data/5f668ffdb/6271aa16f6ef4c29a101fff371b125ee [2023-11-12 00:05:27,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:05:27,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:05:27,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:27,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:05:27,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:05:27,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:27" (1/1) ... [2023-11-12 00:05:27,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7b8dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:27, skipping insertion in model container [2023-11-12 00:05:27,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:27" (1/1) ... [2023-11-12 00:05:27,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:05:28,082 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:05:28,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:28,898 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:05:28,939 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:05:29,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:29,258 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:29,258 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:29,259 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:29,259 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:29,259 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:29,259 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:29,268 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:05:29,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29 WrapperNode [2023-11-12 00:05:29,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:29,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:29,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:05:29,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:05:29,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,350 INFO L138 Inliner]: procedures = 502, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2023-11-12 00:05:29,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:29,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:05:29,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:05:29,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:05:29,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:05:29,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:05:29,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:05:29,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:05:29,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:29,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:05:29,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:05:29,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:05:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:05:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:05:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:05:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:05:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:05:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:05:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:05:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:05:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:05:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:05:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:05:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:05:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:05:29,644 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:05:29,646 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:05:29,773 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:05:29,817 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:05:29,817 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:05:29,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:29 BoogieIcfgContainer [2023-11-12 00:05:29,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:05:29,821 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:05:29,821 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:05:29,833 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:05:29,833 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:29" (1/1) ... [2023-11-12 00:05:29,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:05:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-12 00:05:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-12 00:05:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:05:29,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:29,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:30,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-12 00:05:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-12 00:05:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:05:30,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:30,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:30,496 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 00:05:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-12 00:05:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-12 00:05:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:05:30,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:05:30,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 31 transitions. [2023-11-12 00:05:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-12 00:05:30,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:05:30,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:05:30,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 30 transitions. [2023-11-12 00:05:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-12 00:05:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:05:30,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:30,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:30,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:05:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 29 transitions. [2023-11-12 00:05:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-12 00:05:30,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:05:30,917 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-12 00:05:30,925 INFO L753 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-12 00:05:30,962 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-12 00:05:30,971 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:05:30,972 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:05:30,972 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:05:30,972 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:05:30,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:05:30 ImpRootNode [2023-11-12 00:05:30,972 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:05:30,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:05:30,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:05:30,974 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:05:30,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:29" (3/4) ... [2023-11-12 00:05:30,977 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:05:30,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 00:05:30,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 00:05:30,993 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-12 00:05:30,994 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 00:05:30,994 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:05:30,994 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:05:31,134 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:05:31,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:05:31,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:05:31,138 INFO L158 Benchmark]: Toolchain (without parser) took 3558.90ms. Allocated memory is still 159.4MB. Free memory was 112.3MB in the beginning and 67.7MB in the end (delta: 44.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-11-12 00:05:31,139 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:05:31,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1690.23ms. Allocated memory is still 159.4MB. Free memory was 112.3MB in the beginning and 92.2MB in the end (delta: 20.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2023-11-12 00:05:31,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.65ms. Allocated memory is still 159.4MB. Free memory was 92.2MB in the beginning and 89.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:05:31,141 INFO L158 Benchmark]: Boogie Preprocessor took 29.56ms. Allocated memory is still 159.4MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:31,141 INFO L158 Benchmark]: RCFGBuilder took 439.59ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 72.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:05:31,142 INFO L158 Benchmark]: CodeCheck took 1151.46ms. Allocated memory is still 159.4MB. Free memory was 72.2MB in the beginning and 71.9MB in the end (delta: 351.8kB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-11-12 00:05:31,143 INFO L158 Benchmark]: Witness Printer took 161.46ms. Allocated memory is still 159.4MB. Free memory was 71.9MB in the beginning and 67.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:05:31,149 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 3 procedures, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 74 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 397 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 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 - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: (data == 2) - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1548]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1690.23ms. Allocated memory is still 159.4MB. Free memory was 112.3MB in the beginning and 92.2MB in the end (delta: 20.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.65ms. Allocated memory is still 159.4MB. Free memory was 92.2MB in the beginning and 89.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.56ms. Allocated memory is still 159.4MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.59ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 72.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1151.46ms. Allocated memory is still 159.4MB. Free memory was 72.2MB in the beginning and 71.9MB in the end (delta: 351.8kB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Witness Printer took 161.46ms. Allocated memory is still 159.4MB. Free memory was 71.9MB in the beginning and 67.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:05:31,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49569cef-7025-4077-a3f9-1def1dd0af2c/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: TRUE