./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/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_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/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_d871975c-e69e-40e3-b4da-2ec95d11749a/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 689d425b6b88e05e7ab9def88fde070c62539604cea6a5998338a0c08790a600 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:44,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:44,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:11:44,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:44,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:44,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:44,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:44,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:44,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:44,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:44,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:44,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:44,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:44,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:44,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:44,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:44,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:44,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:44,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:44,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:44,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:44,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:44,605 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:44,606 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:44,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:44,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:44,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:44,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:44,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:44,609 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:44,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:44,611 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:44,611 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_d871975c-e69e-40e3-b4da-2ec95d11749a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 689d425b6b88e05e7ab9def88fde070c62539604cea6a5998338a0c08790a600 [2023-11-23 20:11:44,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:44,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:44,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:44,928 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:44,929 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:44,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_good.i [2023-11-23 20:11:48,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:48,511 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:48,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_good.i [2023-11-23 20:11:48,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/data/00c449247/2bbee931a4c24ffba1cfd3b1a9a6e364/FLAG982f57b23 [2023-11-23 20:11:48,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/data/00c449247/2bbee931a4c24ffba1cfd3b1a9a6e364 [2023-11-23 20:11:48,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:48,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:48,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:48,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:48,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:48,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:48" (1/1) ... [2023-11-23 20:11:48,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4be4cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:48, skipping insertion in model container [2023-11-23 20:11:48,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:48" (1/1) ... [2023-11-23 20:11:48,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:49,134 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:11:49,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:49,845 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:49,910 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:11:50,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:50,196 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:50,196 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:50,196 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:50,197 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:50,197 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:50,197 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:50,205 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:50,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50 WrapperNode [2023-11-23 20:11:50,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:50,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:50,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:50,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:50,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,278 INFO L138 Inliner]: procedures = 504, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 78 [2023-11-23 20:11:50,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:50,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:50,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:50,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:50,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:50,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:50,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:50,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:50,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:50,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:50,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:50,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:11:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:11:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:11:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:11:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:11:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:11:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:11:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:11:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:11:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:11:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:11:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:50,601 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:50,603 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:50,787 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:50,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:50,850 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:11:50,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:50 BoogieIcfgContainer [2023-11-23 20:11:50,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:50,853 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:50,853 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:50,865 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:50,865 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:50" (1/1) ... [2023-11-23 20:11:50,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:50,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-23 20:11:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-23 20:11:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:11:50,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:50,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:51,480 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 20:11:51,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-23 20:11:51,537 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-23 20:11:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:11:51,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:51,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:51,850 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 20:11:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2023-11-23 20:11:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-23 20:11:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:51,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:51,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:52,256 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 20:11:52,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:52,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-23 20:11:52,365 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-23 20:11:52,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:11:52,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:52,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:52,461 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 20:11:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-23 20:11:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-23 20:11:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:11:52,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:52,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 29 transitions. [2023-11-23 20:11:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-23 20:11:52,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:11:52,938 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-23 20:11:52,947 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:11:52,993 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:11:52,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:11:52 ImpRootNode [2023-11-23 20:11:52,998 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:11:52,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:11:52,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:11:52,999 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:11:53,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:50" (3/4) ... [2023-11-23 20:11:53,002 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:11:53,006 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:11:53,006 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:11:53,014 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-23 20:11:53,015 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-23 20:11:53,015 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:11:53,016 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:11:53,136 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:11:53,137 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:11:53,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:11:53,138 INFO L158 Benchmark]: Toolchain (without parser) took 4561.74ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 63.9MB in the beginning and 114.2MB in the end (delta: -50.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-23 20:11:53,139 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 82.3MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:53,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1628.73ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 63.5MB in the beginning and 64.4MB in the end (delta: -860.7kB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-23 20:11:53,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.73ms. Allocated memory is still 136.3MB. Free memory was 64.4MB in the beginning and 60.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:11:53,141 INFO L158 Benchmark]: Boogie Preprocessor took 32.67ms. Allocated memory is still 136.3MB. Free memory was 60.9MB in the beginning and 59.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:53,141 INFO L158 Benchmark]: RCFGBuilder took 539.91ms. Allocated memory is still 136.3MB. Free memory was 59.5MB in the beginning and 87.2MB in the end (delta: -27.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:11:53,141 INFO L158 Benchmark]: CodeCheck took 2144.78ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 87.2MB in the beginning and 119.4MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:53,142 INFO L158 Benchmark]: Witness Printer took 139.14ms. Allocated memory is still 163.6MB. Free memory was 119.4MB in the beginning and 114.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:11:53,144 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 67 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 432 GetRequests, 415 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: 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 0.27ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 82.3MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1628.73ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 63.5MB in the beginning and 64.4MB in the end (delta: -860.7kB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.73ms. Allocated memory is still 136.3MB. Free memory was 64.4MB in the beginning and 60.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.67ms. Allocated memory is still 136.3MB. Free memory was 60.9MB in the beginning and 59.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.91ms. Allocated memory is still 136.3MB. Free memory was 59.5MB in the beginning and 87.2MB in the end (delta: -27.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 2144.78ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 87.2MB in the beginning and 119.4MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 139.14ms. Allocated memory is still 163.6MB. Free memory was 119.4MB in the beginning and 114.2MB 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! [2023-11-23 20:11:53,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d871975c-e69e-40e3-b4da-2ec95d11749a/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