./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_53_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/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_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_53_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/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_320955fa-228b-49af-ad39-35060c4e824e/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 6c9979b0f0d3578c6688306667a5e19118a10ca2a38b4a5e726f8df38d65c595 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:11,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:11,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:28:11,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:11,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:11,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:11,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:11,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:11,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:11,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:11,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:11,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:11,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:11,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:11,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:11,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:11,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:11,329 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:11,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:11,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:11,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:11,332 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:11,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:11,333 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:11,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:11,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:11,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:11,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:11,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:11,336 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:11,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:11,337 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:11,338 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_320955fa-228b-49af-ad39-35060c4e824e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c9979b0f0d3578c6688306667a5e19118a10ca2a38b4a5e726f8df38d65c595 [2023-11-21 18:28:11,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:11,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:11,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:11,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:11,663 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:11,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_53_good.i [2023-11-21 18:28:14,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:15,355 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:15,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_53_good.i [2023-11-21 18:28:15,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/data/a4b9ebaca/aa95d138b9a34067bbc0fd914e62218f/FLAGa368f302d [2023-11-21 18:28:15,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/data/a4b9ebaca/aa95d138b9a34067bbc0fd914e62218f [2023-11-21 18:28:15,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:15,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:15,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:15,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:15,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:15,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:15" (1/1) ... [2023-11-21 18:28:15,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1473f430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:15, skipping insertion in model container [2023-11-21 18:28:15,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:15" (1/1) ... [2023-11-21 18:28:15,509 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:15,970 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:28:16,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:16,669 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:16,713 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:28:16,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:16,966 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:16,966 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:16,966 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:16,966 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:16,967 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:16,975 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:16,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16 WrapperNode [2023-11-21 18:28:16,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:16,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:16,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:16,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:16,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,053 INFO L138 Inliner]: procedures = 507, calls = 72, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 72 [2023-11-21 18:28:17,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:17,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:17,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:17,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:17,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:17,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:17,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:17,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:17,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:17,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:17,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:17,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:17,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:28:17,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:28:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:28:17,212 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:28:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:28:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:28:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:28:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:28:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:28:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:17,392 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:17,393 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:17,550 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:17,662 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:17,662 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:28:17,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:17 BoogieIcfgContainer [2023-11-21 18:28:17,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:17,665 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:17,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:17,676 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:17,676 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:17" (1/1) ... [2023-11-21 18:28:17,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-21 18:28:17,740 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-21 18:28:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:28:17,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:17,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:18,191 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 18:28:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-21 18:28:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-21 18:28:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:28:18,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:18,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:18,430 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 18:28:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-11-21 18:28:18,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-21 18:28:18,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:28:18,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:18,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:18,715 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 18:28:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-21 18:28:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-21 18:28:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:28:18,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:18,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:18,861 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 18:28:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2023-11-21 18:28:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-11-21 18:28:18,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:28:18,946 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-21 18:28:18,956 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:28:18,986 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:28:18,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:28:18 ImpRootNode [2023-11-21 18:28:18,991 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:28:18,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:28:18,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:28:18,994 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:28:18,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:17" (3/4) ... [2023-11-21 18:28:18,997 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:28:19,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:28:19,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:28:19,010 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-21 18:28:19,011 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:28:19,011 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:28:19,012 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:28:19,143 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:28:19,144 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:28:19,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:28:19,145 INFO L158 Benchmark]: Toolchain (without parser) took 3722.94ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 96.4MB in the beginning and 112.6MB in the end (delta: -16.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-11-21 18:28:19,145 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:19,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1549.94ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 73.7MB in the end (delta: 22.7MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-11-21 18:28:19,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.03ms. Allocated memory is still 144.7MB. Free memory was 73.7MB in the beginning and 70.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:19,147 INFO L158 Benchmark]: Boogie Preprocessor took 49.82ms. Allocated memory is still 144.7MB. Free memory was 70.9MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:19,147 INFO L158 Benchmark]: RCFGBuilder took 558.68ms. Allocated memory is still 144.7MB. Free memory was 69.2MB in the beginning and 98.3MB in the end (delta: -29.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-21 18:28:19,148 INFO L158 Benchmark]: CodeCheck took 1326.53ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 98.3MB in the beginning and 117.7MB in the end (delta: -19.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-21 18:28:19,148 INFO L158 Benchmark]: Witness Printer took 151.00ms. Allocated memory is still 184.5MB. Free memory was 117.7MB in the beginning and 112.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:19,151 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, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 36 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: 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: 1574]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1549.94ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 73.7MB in the end (delta: 22.7MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.03ms. Allocated memory is still 144.7MB. Free memory was 73.7MB in the beginning and 70.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.82ms. Allocated memory is still 144.7MB. Free memory was 70.9MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.68ms. Allocated memory is still 144.7MB. Free memory was 69.2MB in the beginning and 98.3MB in the end (delta: -29.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 1326.53ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 98.3MB in the beginning and 117.7MB in the end (delta: -19.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Witness Printer took 151.00ms. Allocated memory is still 184.5MB. Free memory was 117.7MB in the beginning and 112.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:28:19,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320955fa-228b-49af-ad39-35060c4e824e/bin/ukojak-verify-i0I2FZA1j2/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