./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC --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 924fd9a49e5ae36c251be2c18e80753db4acd064eb7874a56b6f32c2793e1c0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:58,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:58,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:24:58,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:58,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:58,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:58,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:58,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:58,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:58,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:58,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:58,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:58,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:58,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:58,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:58,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:58,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:58,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:24:58,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:58,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:58,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:58,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:58,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:58,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:58,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:58,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:58,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:58,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:58,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:58,403 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:58,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:58,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:58,405 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_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924fd9a49e5ae36c251be2c18e80753db4acd064eb7874a56b6f32c2793e1c0c [2023-11-23 20:24:58,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:58,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:58,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:58,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:58,759 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:58,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_good.i [2023-11-23 20:25:01,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:02,433 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:02,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_good.i [2023-11-23 20:25:02,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/data/36bfeb133/bc3504240c8645b4bb2917d74fcf800f/FLAG6117630bb [2023-11-23 20:25:02,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/data/36bfeb133/bc3504240c8645b4bb2917d74fcf800f [2023-11-23 20:25:02,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:02,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:02,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:02,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:02,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:02,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:02" (1/1) ... [2023-11-23 20:25:02,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c43a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:02, skipping insertion in model container [2023-11-23 20:25:02,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:02" (1/1) ... [2023-11-23 20:25:02,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:03,094 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:25:03,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:03,783 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:03,825 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:25:03,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:04,126 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:04,127 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:04,127 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:04,127 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:04,127 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:04,128 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:04,136 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:04,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04 WrapperNode [2023-11-23 20:25:04,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:04,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:04,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:04,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:04,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,237 INFO L138 Inliner]: procedures = 504, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2023-11-23 20:25:04,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:04,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:04,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:04,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:04,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:04,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:04,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:04,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:04,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:04,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:04,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:04,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:25:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:25:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:25:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:25:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:25:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:25:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:25:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:25:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:25:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:25:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:25:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:25:04,573 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:04,577 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:04,794 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:04,842 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:25:04,842 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:25:04,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:04 BoogieIcfgContainer [2023-11-23 20:25:04,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:25:04,845 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:25:04,845 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:25:04,856 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:25:04,856 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:04" (1/1) ... [2023-11-23 20:25:04,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:25:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2023-11-23 20:25:04,926 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-23 20:25:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:25:04,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:04,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-23 20:25:05,404 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-23 20:25:05,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:25:05,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:05,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-23 20:25:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-23 20:25:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:25:05,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:05,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:06,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:06,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-23 20:25:06,074 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-23 20:25:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:25:06,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:06,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:06,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-23 20:25:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-23 20:25:06,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:25:06,238 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-23 20:25:06,249 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:25:06,281 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:25:06,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:25:06 ImpRootNode [2023-11-23 20:25:06,287 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:25:06,289 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:25:06,289 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:25:06,289 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:25:06,290 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:04" (3/4) ... [2023-11-23 20:25:06,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:25:06,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:25:06,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:25:06,305 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-23 20:25:06,306 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:25:06,306 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:25:06,306 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:25:06,426 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:25:06,427 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:25:06,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:25:06,428 INFO L158 Benchmark]: Toolchain (without parser) took 3928.19ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.8MB in the beginning and 128.4MB in the end (delta: -28.6MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2023-11-23 20:25:06,428 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:06,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1631.94ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 76.4MB in the end (delta: 23.3MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-11-23 20:25:06,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.94ms. Allocated memory is still 138.4MB. Free memory was 76.4MB in the beginning and 73.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:06,432 INFO L158 Benchmark]: Boogie Preprocessor took 50.34ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 71.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:06,432 INFO L158 Benchmark]: RCFGBuilder took 554.77ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 54.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:25:06,433 INFO L158 Benchmark]: CodeCheck took 1441.87ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 54.2MB in the beginning and 68.6MB in the end (delta: -14.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-23 20:25:06,433 INFO L158 Benchmark]: Witness Printer took 138.38ms. Allocated memory is still 167.8MB. Free memory was 68.6MB in the beginning and 128.4MB in the end (delta: -59.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-11-23 20:25:06,435 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, 31 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 64 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 366 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: 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: 1584]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1631.94ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 76.4MB in the end (delta: 23.3MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.94ms. Allocated memory is still 138.4MB. Free memory was 76.4MB in the beginning and 73.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.34ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 71.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.77ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 54.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1441.87ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 54.2MB in the beginning and 68.6MB in the end (delta: -14.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 138.38ms. Allocated memory is still 167.8MB. Free memory was 68.6MB in the beginning and 128.4MB in the end (delta: -59.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:25:06,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e14010d5-e4ab-407b-89a2-b56eea434f89/bin/ukojak-verify-1t5iHCbJaC/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