./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2 --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 fb01884959b4bcccdba899951a24612442b92a6349635c26631459b75db97c84 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:10,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:10,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:26:10,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:10,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:10,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:10,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:10,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:10,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:10,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:10,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:10,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:10,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:10,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:10,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:10,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:10,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:10,972 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:10,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:10,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:10,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:10,974 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:10,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:10,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:10,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:10,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:10,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:10,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:10,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:10,978 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:10,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:10,980 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:10,981 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_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb01884959b4bcccdba899951a24612442b92a6349635c26631459b75db97c84 [2023-11-21 18:26:11,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:11,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:11,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:11,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:11,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:11,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_65_good.i [2023-11-21 18:26:14,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:15,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:15,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_65_good.i [2023-11-21 18:26:15,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/data/add01dd0e/5b2b34096a10494793238da0e1fbd829/FLAGf89478c27 [2023-11-21 18:26:15,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/data/add01dd0e/5b2b34096a10494793238da0e1fbd829 [2023-11-21 18:26:15,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:15,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:15,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:15,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:15,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:15,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:15" (1/1) ... [2023-11-21 18:26:15,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5a4926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:15, skipping insertion in model container [2023-11-21 18:26:15,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:15" (1/1) ... [2023-11-21 18:26:15,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:15,888 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:16,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:16,573 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:16,614 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:16,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:16,965 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:16,965 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:16,965 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:16,966 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:16,966 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:16,966 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:16,974 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:16,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16 WrapperNode [2023-11-21 18:26:16,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:16,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:16,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:16,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:16,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,083 INFO L138 Inliner]: procedures = 504, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 71 [2023-11-21 18:26:17,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:17,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:17,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:17,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:17,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:17,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:17,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:17,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:17,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:17,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:17,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:17,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:17,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:26:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:26:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:26:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:26:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:26:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-21 18:26:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-21 18:26:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:26:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:26:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:17,439 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:17,441 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:17,607 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:17,650 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:17,650 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:26:17,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:17 BoogieIcfgContainer [2023-11-21 18:26:17,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:17,653 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:17,654 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:17,665 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:17,666 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:17" (1/1) ... [2023-11-21 18:26:17,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:17,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-21 18:26:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-21 18:26:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:26:17,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:17,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:18,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 43 transitions. [2023-11-21 18:26:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-21 18:26:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:26:18,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:18,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2023-11-21 18:26:18,544 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-21 18:26:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:26:18,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:18,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 48 transitions. [2023-11-21 18:26:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-21 18:26:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:26:19,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:19,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 51 transitions. [2023-11-21 18:26:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-11-21 18:26:19,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:26:19,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:19,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:20,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:20,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 47 transitions. [2023-11-21 18:26:20,465 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-21 18:26:20,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:26:20,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:20,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 46 transitions. [2023-11-21 18:26:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-21 18:26:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:26:21,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:21,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 45 transitions. [2023-11-21 18:26:22,137 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-21 18:26:22,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:26:22,138 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-21 18:26:22,148 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:26:22,278 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:22,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:26:22 ImpRootNode [2023-11-21 18:26:22,283 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:26:22,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:26:22,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:26:22,284 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:26:22,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:17" (3/4) ... [2023-11-21 18:26:22,286 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:26:22,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:26:22,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:26:22,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-21 18:26:22,297 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-21 18:26:22,298 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-21 18:26:22,298 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 18:26:22,299 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:26:22,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:26:22,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:26:22,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:26:22,423 INFO L158 Benchmark]: Toolchain (without parser) took 7080.62ms. Allocated memory was 119.5MB in the beginning and 184.5MB in the end (delta: 65.0MB). Free memory was 71.6MB in the beginning and 61.0MB in the end (delta: 10.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2023-11-21 18:26:22,423 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:22,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1628.97ms. Allocated memory was 119.5MB in the beginning and 184.5MB in the end (delta: 65.0MB). Free memory was 71.4MB in the beginning and 114.1MB in the end (delta: -42.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-21 18:26:22,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.68ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 111.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:22,425 INFO L158 Benchmark]: Boogie Preprocessor took 62.17ms. Allocated memory is still 184.5MB. Free memory was 111.8MB in the beginning and 109.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:22,425 INFO L158 Benchmark]: RCFGBuilder took 505.55ms. Allocated memory is still 184.5MB. Free memory was 109.9MB in the beginning and 94.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:26:22,426 INFO L158 Benchmark]: CodeCheck took 4629.27ms. Allocated memory is still 184.5MB. Free memory was 93.2MB in the beginning and 66.4MB in the end (delta: 26.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-21 18:26:22,426 INFO L158 Benchmark]: Witness Printer took 139.00ms. Allocated memory is still 184.5MB. Free memory was 66.4MB in the beginning and 61.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:26:22,428 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 4 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 149 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 471 IncrementalHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 149 mSDtfsCounter, 471 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 772 SyntacticMatches, 3 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 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: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1628.97ms. Allocated memory was 119.5MB in the beginning and 184.5MB in the end (delta: 65.0MB). Free memory was 71.4MB in the beginning and 114.1MB in the end (delta: -42.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.68ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 111.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.17ms. Allocated memory is still 184.5MB. Free memory was 111.8MB in the beginning and 109.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.55ms. Allocated memory is still 184.5MB. Free memory was 109.9MB in the beginning and 94.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4629.27ms. Allocated memory is still 184.5MB. Free memory was 93.2MB in the beginning and 66.4MB in the end (delta: 26.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Witness Printer took 139.00ms. Allocated memory is still 184.5MB. Free memory was 66.4MB in the beginning and 61.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:26:22,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0e3119-4b80-46ef-9827-340caee1a90e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE