./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash df277f58f46d354e5bc0043e6ff8a219c29a737b99ac3678751a9ca7c8f5ce9e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:33,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:33,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:04:33,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:33,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:33,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:33,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:33,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:33,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:33,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:33,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:33,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:33,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:33,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:33,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:33,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:33,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:33,387 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:33,388 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:33,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:33,389 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:33,396 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:33,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:33,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:33,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:33,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:33,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:33,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:33,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:33,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:33,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:33,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:33,401 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_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df277f58f46d354e5bc0043e6ff8a219c29a737b99ac3678751a9ca7c8f5ce9e [2023-11-24 23:04:33,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:33,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:33,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:33,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:33,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:33,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_good.i [2023-11-24 23:04:37,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:37,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:37,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_18_good.i [2023-11-24 23:04:37,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/data/6ca8be217/c6b02dbad2384d6c97c02bd2b54cd326/FLAG8ef5c7180 [2023-11-24 23:04:37,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/data/6ca8be217/c6b02dbad2384d6c97c02bd2b54cd326 [2023-11-24 23:04:37,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:37,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:37,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:37,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:37,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:37,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38bef55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37, skipping insertion in model container [2023-11-24 23:04:37,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,705 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:38,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:38,771 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:38,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:39,009 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:39,009 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:39,010 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:39,010 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:39,010 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:39,019 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:39,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39 WrapperNode [2023-11-24 23:04:39,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:39,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:39,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:39,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:39,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,130 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-24 23:04:39,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:39,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:39,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:39,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:39,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:39,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:39,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:39,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:39,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:39,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:39,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:39,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:04:39,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:04:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:04:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:04:39,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:04:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:04:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:39,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:04:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:39,512 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:39,514 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:39,675 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:39,739 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:39,743 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:04:39,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:39 BoogieIcfgContainer [2023-11-24 23:04:39,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:39,748 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:39,750 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:39,760 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:39,761 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:39" (1/1) ... [2023-11-24 23:04:39,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-11-24 23:04:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-11-24 23:04:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:04:39,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:39,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:40,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-24 23:04:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-24 23:04:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:04:40,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:40,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-24 23:04:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-24 23:04:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:04:40,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:40,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 33 transitions. [2023-11-24 23:04:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-24 23:04:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:04:40,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:40,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 32 transitions. [2023-11-24 23:04:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-24 23:04:40,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:04:40,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:40,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 31 transitions. [2023-11-24 23:04:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-24 23:04:41,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:04:41,008 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-24 23:04:41,019 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 23:04:41,078 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:04:41,096 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-24 23:04:41,099 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:04:41,099 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:04:41,099 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:04:41,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:41 ImpRootNode [2023-11-24 23:04:41,100 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:41,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:41,129 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:41,130 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:41,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:39" (3/4) ... [2023-11-24 23:04:41,132 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:04:41,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:04:41,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:04:41,147 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-24 23:04:41,148 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:04:41,148 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:04:41,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:04:41,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:04:41,276 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:04:41,276 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:41,276 INFO L158 Benchmark]: Toolchain (without parser) took 3685.74ms. Allocated memory is still 190.8MB. Free memory was 146.3MB in the beginning and 151.9MB in the end (delta: -5.6MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:41,277 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:41,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1426.15ms. Allocated memory is still 190.8MB. Free memory was 146.3MB in the beginning and 83.0MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:04:41,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.21ms. Allocated memory is still 190.8MB. Free memory was 83.0MB in the beginning and 154.5MB in the end (delta: -71.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:41,279 INFO L158 Benchmark]: Boogie Preprocessor took 72.37ms. Allocated memory is still 190.8MB. Free memory was 154.5MB in the beginning and 153.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:41,279 INFO L158 Benchmark]: RCFGBuilder took 541.89ms. Allocated memory is still 190.8MB. Free memory was 153.3MB in the beginning and 136.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:04:41,280 INFO L158 Benchmark]: CodeCheck took 1351.77ms. Allocated memory is still 190.8MB. Free memory was 136.6MB in the beginning and 76.7MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:41,281 INFO L158 Benchmark]: Witness Printer took 175.07ms. Allocated memory is still 190.8MB. Free memory was 76.7MB in the beginning and 151.9MB in the end (delta: -75.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:41,284 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, 30 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 82 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 406 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1548]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: (data == 2) - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1426.15ms. Allocated memory is still 190.8MB. Free memory was 146.3MB in the beginning and 83.0MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.21ms. Allocated memory is still 190.8MB. Free memory was 83.0MB in the beginning and 154.5MB in the end (delta: -71.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.37ms. Allocated memory is still 190.8MB. Free memory was 154.5MB in the beginning and 153.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.89ms. Allocated memory is still 190.8MB. Free memory was 153.3MB in the beginning and 136.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1351.77ms. Allocated memory is still 190.8MB. Free memory was 136.6MB in the beginning and 76.7MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 175.07ms. Allocated memory is still 190.8MB. Free memory was 76.7MB in the beginning and 151.9MB in the end (delta: -75.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:04:41,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e4ab4f-fbec-4576-abb4-0898b7a6073e/bin/ukojak-verify-afCqCEvfdi/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