./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_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_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/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_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/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_617f4f9d-6e13-49ed-906a-34257eda6b32/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 c95e816dbb7463640085a6ea7dde1acd8b65b169e444517eb0d63d1a33f16ab2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:57,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:57,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:04:57,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:57,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:57,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:57,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:57,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:57,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:57,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:57,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:57,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:57,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:57,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:57,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:57,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:57,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:57,280 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:57,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:57,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:57,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:57,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:57,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:57,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:57,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:57,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:57,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:57,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:57,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:57,285 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:57,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:57,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:57,287 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_617f4f9d-6e13-49ed-906a-34257eda6b32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c95e816dbb7463640085a6ea7dde1acd8b65b169e444517eb0d63d1a33f16ab2 [2023-11-24 23:04:57,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:57,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:57,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:57,650 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:57,651 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:57,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_good.i [2023-11-24 23:05:00,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:01,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:01,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_good.i [2023-11-24 23:05:01,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/data/3bac78e26/27df23f6731243b4ad904f9f504ddcd8/FLAGf98af8e3d [2023-11-24 23:05:01,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/data/3bac78e26/27df23f6731243b4ad904f9f504ddcd8 [2023-11-24 23:05:01,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:01,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:01,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:01,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:01,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:01,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:01" (1/1) ... [2023-11-24 23:05:01,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d1ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:01, skipping insertion in model container [2023-11-24 23:05:01,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:01" (1/1) ... [2023-11-24 23:05:01,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:02,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:02,460 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:02,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:02,895 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:02,895 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:02,895 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:02,895 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:02,904 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:02,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02 WrapperNode [2023-11-24 23:05:02,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:02,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:02,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:02,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:02,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:02,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,003 INFO L138 Inliner]: procedures = 502, calls = 72, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 78 [2023-11-24 23:05:03,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:03,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:03,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:03,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:03,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:03,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:03,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:03,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:03,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:02" (1/1) ... [2023-11-24 23:05:03,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:03,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:03,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:03,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:05:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:05:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:05:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:05:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:05:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:03,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:05:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:05:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:03,289 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:03,290 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:03,493 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:03,587 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:03,588 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:05:03,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:03 BoogieIcfgContainer [2023-11-24 23:05:03,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:03,590 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:03,591 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:03,610 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:03,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:03" (1/1) ... [2023-11-24 23:05:03,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-24 23:05:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-24 23:05:03,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:05:03,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:03,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:04,295 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 23:05:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-24 23:05:04,332 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-24 23:05:04,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:04,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:04,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:04,580 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 23:05:04,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-24 23:05:04,672 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-24 23:05:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:04,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:04,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:04,800 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 23:05:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-11-24 23:05:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-24 23:05:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:05:04,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:04,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:05,142 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 23:05:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-24 23:05:05,228 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-24 23:05:05,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:05:05,229 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-24 23:05:05,241 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 23:05:05,278 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:05:05,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:05 ImpRootNode [2023-11-24 23:05:05,283 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:05,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:05,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:05,284 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:05,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:03" (3/4) ... [2023-11-24 23:05:05,287 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:05:05,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:05:05,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:05:05,299 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-24 23:05:05,300 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:05:05,300 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:05:05,300 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:05:05,424 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:05:05,426 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:05:05,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:05,427 INFO L158 Benchmark]: Toolchain (without parser) took 4109.33ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 89.4MB in the beginning and 86.8MB in the end (delta: 2.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,428 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 57.7MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:05,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1582.41ms. Allocated memory is still 136.3MB. Free memory was 89.4MB in the beginning and 70.1MB in the end (delta: 19.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.55ms. Allocated memory is still 136.3MB. Free memory was 70.1MB in the beginning and 67.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,429 INFO L158 Benchmark]: Boogie Preprocessor took 34.14ms. Allocated memory is still 136.3MB. Free memory was 66.7MB in the beginning and 65.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,430 INFO L158 Benchmark]: RCFGBuilder took 548.90ms. Allocated memory is still 136.3MB. Free memory was 65.3MB in the beginning and 103.7MB in the end (delta: -38.4MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,430 INFO L158 Benchmark]: CodeCheck took 1692.84ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 103.7MB in the beginning and 92.0MB in the end (delta: 11.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,431 INFO L158 Benchmark]: Witness Printer took 142.60ms. Allocated memory is still 169.9MB. Free memory was 92.0MB in the beginning and 86.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,433 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 40 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1593]: 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: 1574]: 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 104.9MB. Free memory was 57.9MB in the beginning and 57.7MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1582.41ms. Allocated memory is still 136.3MB. Free memory was 89.4MB in the beginning and 70.1MB in the end (delta: 19.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.55ms. Allocated memory is still 136.3MB. Free memory was 70.1MB in the beginning and 67.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.14ms. Allocated memory is still 136.3MB. Free memory was 66.7MB in the beginning and 65.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.90ms. Allocated memory is still 136.3MB. Free memory was 65.3MB in the beginning and 103.7MB in the end (delta: -38.4MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * CodeCheck took 1692.84ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 103.7MB in the beginning and 92.0MB in the end (delta: 11.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Witness Printer took 142.60ms. Allocated memory is still 169.9MB. Free memory was 92.0MB in the beginning and 86.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:05:05,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_617f4f9d-6e13-49ed-906a-34257eda6b32/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE