./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9 --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 d7f3d41ec580b5c6d21a92e415a68047f7c5b57b2ecfe8c052da30348ee471ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:22:10,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:22:10,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:22:10,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:22:10,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:22:10,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:22:10,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:22:10,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:22:10,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:22:10,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:22:10,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:22:10,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:22:10,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:22:10,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:22:10,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:22:10,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:22:10,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:22:10,133 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:22:10,133 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:22:10,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:22:10,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:22:10,135 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:22:10,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:22:10,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:22:10,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:22:10,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:22:10,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:22:10,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:22:10,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:22:10,138 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:22:10,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:22:10,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:22:10,139 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_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7f3d41ec580b5c6d21a92e415a68047f7c5b57b2ecfe8c052da30348ee471ce [2023-12-03 03:22:10,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:22:10,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:22:10,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:22:10,351 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:22:10,351 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:22:10,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i [2023-12-03 03:22:13,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:22:13,382 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:22:13,383 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i [2023-12-03 03:22:13,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/data/39d9097ed/71d49701b7fa4786bcc3acbd14d75a0f/FLAG5bfb3f86b [2023-12-03 03:22:13,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/data/39d9097ed/71d49701b7fa4786bcc3acbd14d75a0f [2023-12-03 03:22:13,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:22:13,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:22:13,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:22:13,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:22:13,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:22:13,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29af323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:13, skipping insertion in model container [2023-12-03 03:22:13,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:22:13" (1/1) ... [2023-12-03 03:22:13,489 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:22:14,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:22:14,202 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:22:14,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:22:14,407 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:22:14,409 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:22:14,410 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:22:14,410 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:22:14,410 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:22:14,427 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:22:14,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14 WrapperNode [2023-12-03 03:22:14,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:22:14,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:22:14,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:22:14,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:22:14,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,492 INFO L138 Inliner]: procedures = 503, calls = 64, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 65 [2023-12-03 03:22:14,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:22:14,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:22:14,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:22:14,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:22:14,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:22:14,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:22:14,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:22:14,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:22:14,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:22:14,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:22:14,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:22:14,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:22:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 03:22:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 03:22:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:22:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:22:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:22:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-12-03 03:22:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-12-03 03:22:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:22:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:22:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:22:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:22:14,727 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:22:14,729 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:22:14,846 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:22:14,879 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:22:14,879 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:22:14,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:22:14 BoogieIcfgContainer [2023-12-03 03:22:14,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:22:14,882 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:22:14,882 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:22:14,892 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:22:14,892 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:22:14" (1/1) ... [2023-12-03 03:22:14,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:22:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2023-12-03 03:22:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-12-03 03:22:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:22:14,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2023-12-03 03:22:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-12-03 03:22:15,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:22:15,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:15,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:15,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 51 transitions. [2023-12-03 03:22:15,517 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-12-03 03:22:15,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:22:15,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:15,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 54 transitions. [2023-12-03 03:22:15,660 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2023-12-03 03:22:15,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:22:15,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:15,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 55 transitions. [2023-12-03 03:22:15,743 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2023-12-03 03:22:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:22:15,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:15,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:22:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 54 transitions. [2023-12-03 03:22:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2023-12-03 03:22:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:22:15,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:15,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 48 transitions. [2023-12-03 03:22:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-12-03 03:22:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:22:16,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:16,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:22:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:16,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 47 transitions. [2023-12-03 03:22:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-12-03 03:22:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:22:16,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:16,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:22:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2023-12-03 03:22:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-12-03 03:22:16,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:22:16,648 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-03 03:22:16,656 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-03 03:22:16,745 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:22:16,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:22:16 ImpRootNode [2023-12-03 03:22:16,749 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:22:16,750 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:22:16,750 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:22:16,750 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:22:16,751 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:22:14" (3/4) ... [2023-12-03 03:22:16,753 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:22:16,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 03:22:16,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 03:22:16,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-12-03 03:22:16,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-12-03 03:22:16,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-03 03:22:16,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 03:22:16,762 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:22:16,852 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:22:16,853 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:22:16,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:22:16,854 INFO L158 Benchmark]: Toolchain (without parser) took 3434.47ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 113.8MB in the beginning and 117.5MB in the end (delta: -3.8MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-12-03 03:22:16,854 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:22:16,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1007.82ms. Allocated memory is still 148.9MB. Free memory was 113.2MB in the beginning and 105.7MB in the end (delta: 7.6MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-12-03 03:22:16,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.97ms. Allocated memory is still 148.9MB. Free memory was 105.7MB in the beginning and 102.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:22:16,855 INFO L158 Benchmark]: Boogie Preprocessor took 25.95ms. Allocated memory is still 148.9MB. Free memory was 102.5MB in the beginning and 101.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:22:16,856 INFO L158 Benchmark]: RCFGBuilder took 361.10ms. Allocated memory is still 148.9MB. Free memory was 100.5MB in the beginning and 85.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:22:16,856 INFO L158 Benchmark]: CodeCheck took 1867.45ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 85.8MB in the beginning and 122.8MB in the end (delta: -37.0MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-12-03 03:22:16,857 INFO L158 Benchmark]: Witness Printer took 103.19ms. Allocated memory is still 186.6MB. Free memory was 122.8MB in the beginning and 117.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:22:16,859 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 134 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 442 IncrementalHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 134 mSDtfsCounter, 442 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1033 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 13/13 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: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1007.82ms. Allocated memory is still 148.9MB. Free memory was 113.2MB in the beginning and 105.7MB in the end (delta: 7.6MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.97ms. Allocated memory is still 148.9MB. Free memory was 105.7MB in the beginning and 102.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.95ms. Allocated memory is still 148.9MB. Free memory was 102.5MB in the beginning and 101.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.10ms. Allocated memory is still 148.9MB. Free memory was 100.5MB in the beginning and 85.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1867.45ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 85.8MB in the beginning and 122.8MB in the end (delta: -37.0MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 103.19ms. Allocated memory is still 186.6MB. Free memory was 122.8MB in the beginning and 117.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:22:16,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61c81cfe-4ecd-406d-b4c6-f028c9da37c6/bin/ukojak-verify-Qdu7aM0XO9/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