./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_05_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_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/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_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/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_053cc203-53a8-49c8-b259-d3fc52302c35/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 384324b368b765303a3009a7b3feb700d6145dad8e22c9eb322d481f35083e78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:12,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:12,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:06:13,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:13,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:13,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:13,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:13,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:13,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:13,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:13,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:13,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:13,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:13,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:13,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:13,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:13,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:13,066 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:06:13,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:13,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:13,068 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:13,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:13,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:13,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:13,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:13,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:13,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:13,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:13,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:13,076 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:13,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:13,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:13,078 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_053cc203-53a8-49c8-b259-d3fc52302c35/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384324b368b765303a3009a7b3feb700d6145dad8e22c9eb322d481f35083e78 [2023-11-24 23:06:13,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:13,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:13,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:13,456 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:13,457 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:13,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_05_good.i [2023-11-24 23:06:16,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:17,171 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:17,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_05_good.i [2023-11-24 23:06:17,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/data/1501548ac/c4cb8f08909b4eb7a979ce1dcf7f22e7/FLAG2dd94d0e6 [2023-11-24 23:06:17,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/data/1501548ac/c4cb8f08909b4eb7a979ce1dcf7f22e7 [2023-11-24 23:06:17,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:17,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:17,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:17,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:17,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:17,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:17" (1/1) ... [2023-11-24 23:06:17,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21eb2d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:17, skipping insertion in model container [2023-11-24 23:06:17,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:17" (1/1) ... [2023-11-24 23:06:17,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:18,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:18,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:18,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:18,910 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:18,910 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:18,910 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:18,910 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:18,936 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:18,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18 WrapperNode [2023-11-24 23:06:18,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:18,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:18,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:18,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:18,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,039 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2023-11-24 23:06:19,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:19,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:19,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:19,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:19,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:19,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:19,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:19,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:19,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:18" (1/1) ... [2023-11-24 23:06:19,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:19,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:19,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:19,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:06:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:06:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:06:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:06:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:06:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:19,356 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:19,358 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:19,665 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:19,729 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:19,730 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:06:19,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:19 BoogieIcfgContainer [2023-11-24 23:06:19,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:19,733 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:19,733 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:19,747 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:19,747 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:19" (1/1) ... [2023-11-24 23:06:19,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:19,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-11-24 23:06:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-24 23:06:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:19,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:19,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:20,335 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 23:06:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2023-11-24 23:06:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2023-11-24 23:06:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:06:20,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:20,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:20,469 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 23:06:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2023-11-24 23:06:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-11-24 23:06:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:06:20,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:20,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:20,579 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 23:06:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 61 transitions. [2023-11-24 23:06:20,728 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-24 23:06:20,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:06:20,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:20,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:20,921 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 23:06:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 53 transitions. [2023-11-24 23:06:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-11-24 23:06:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:06:21,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:21,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:21,148 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 23:06:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 56 transitions. [2023-11-24 23:06:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-24 23:06:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:21,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:21,773 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 23:06:21,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:21,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 52 transitions. [2023-11-24 23:06:21,997 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-24 23:06:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:06:21,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:21,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:22,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 56 transitions. [2023-11-24 23:06:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-24 23:06:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:06:22,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:22,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:22,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 57 transitions. [2023-11-24 23:06:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-24 23:06:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:06:22,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:22,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 47 states and 58 transitions. [2023-11-24 23:06:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2023-11-24 23:06:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:06:22,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:22,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 66 transitions. [2023-11-24 23:06:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2023-11-24 23:06:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:06:23,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:23,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 39 states and 45 transitions. [2023-11-24 23:06:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-11-24 23:06:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:06:23,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:23,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 38 states and 44 transitions. [2023-11-24 23:06:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-11-24 23:06:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:06:23,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 37 states and 43 transitions. [2023-11-24 23:06:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-24 23:06:23,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:06:23,989 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-11-24 23:06:24,004 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 23:06:24,227 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:06:24,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:24 ImpRootNode [2023-11-24 23:06:24,233 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:24,234 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:24,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:24,235 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:24,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:19" (3/4) ... [2023-11-24 23:06:24,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:06:24,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:06:24,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:06:24,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 23:06:24,253 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:06:24,253 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:06:24,254 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:06:24,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:06:24,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:06:24,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:24,441 INFO L158 Benchmark]: Toolchain (without parser) took 7199.45ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 132.1MB in the beginning and 149.6MB in the end (delta: -17.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-24 23:06:24,442 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:24,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1692.06ms. Allocated memory is still 182.5MB. Free memory was 132.1MB in the beginning and 146.6MB in the end (delta: -14.5MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:24,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.55ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 143.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:24,444 INFO L158 Benchmark]: Boogie Preprocessor took 44.26ms. Allocated memory is still 182.5MB. Free memory was 143.6MB in the beginning and 142.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:24,445 INFO L158 Benchmark]: RCFGBuilder took 646.57ms. Allocated memory is still 182.5MB. Free memory was 142.4MB in the beginning and 123.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:06:24,446 INFO L158 Benchmark]: CodeCheck took 4500.53ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 123.8MB in the beginning and 155.8MB in the end (delta: -32.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-24 23:06:24,446 INFO L158 Benchmark]: Witness Printer took 206.35ms. Allocated memory is still 220.2MB. Free memory was 155.8MB in the beginning and 149.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:06:24,450 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1394 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 424 mSDsluCounter, 988 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1244 IncrementalHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 738 mSDtfsCounter, 1244 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2169 GetRequests, 2088 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2482 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 54/54 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1648]: 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 134.2MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1692.06ms. Allocated memory is still 182.5MB. Free memory was 132.1MB in the beginning and 146.6MB in the end (delta: -14.5MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.55ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 143.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.26ms. Allocated memory is still 182.5MB. Free memory was 143.6MB in the beginning and 142.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 646.57ms. Allocated memory is still 182.5MB. Free memory was 142.4MB in the beginning and 123.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4500.53ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 123.8MB in the beginning and 155.8MB in the end (delta: -32.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 206.35ms. Allocated memory is still 220.2MB. Free memory was 155.8MB in the beginning and 149.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:06:24,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053cc203-53a8-49c8-b259-d3fc52302c35/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