./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_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_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/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_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/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_0025beba-6e04-402f-a265-a4c05e1dc3db/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 e149814b570a219b8765979fd76a7b8122471d93eb9f9186bc97c78c8e439591 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:19,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:19,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:11:19,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:19,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:19,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:19,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:19,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:19,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:19,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:19,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:19,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:19,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:19,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:19,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:19,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:19,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:19,460 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:19,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:19,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:19,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:19,463 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:19,463 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:19,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:19,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:19,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:19,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:19,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:19,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:19,467 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:19,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:19,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:19,468 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_0025beba-6e04-402f-a265-a4c05e1dc3db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e149814b570a219b8765979fd76a7b8122471d93eb9f9186bc97c78c8e439591 [2023-11-24 22:11:19,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:19,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:19,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:19,764 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:19,765 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:19,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i [2023-11-24 22:11:22,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:23,275 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:23,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i [2023-11-24 22:11:23,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/data/4c48c0472/9829ab9b794c4b7a9920dd65f5bf7738/FLAGc649ccde7 [2023-11-24 22:11:23,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/data/4c48c0472/9829ab9b794c4b7a9920dd65f5bf7738 [2023-11-24 22:11:23,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:23,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:23,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:23,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:23,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:23,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:23" (1/1) ... [2023-11-24 22:11:23,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43edf998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:23, skipping insertion in model container [2023-11-24 22:11:23,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:23" (1/1) ... [2023-11-24 22:11:23,420 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:24,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:24,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:24,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:25,085 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:25,086 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:25,087 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:25,087 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:25,088 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:25,097 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:25,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25 WrapperNode [2023-11-24 22:11:25,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:25,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:25,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:25,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:25,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,177 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2023-11-24 22:11:25,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:25,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:25,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:25,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:25,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:25,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:25,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:25,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:25,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:25,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:25,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:25,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:11:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:11:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:11:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:11:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:11:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:11:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:11:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:25,523 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:25,526 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:25,811 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:25,865 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:25,866 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:11:25,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:25 BoogieIcfgContainer [2023-11-24 22:11:25,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:25,869 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:25,869 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:25,881 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:25,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:25" (1/1) ... [2023-11-24 22:11:25,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:25,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-11-24 22:11:25,958 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-11-24 22:11:25,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:11:25,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:25,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:26,269 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 22:11:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 82 transitions. [2023-11-24 22:11:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 22:11:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:11:26,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:26,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:26,507 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 22:11:26,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:26,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 81 transitions. [2023-11-24 22:11:26,533 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-24 22:11:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:11:26,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:26,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:26,677 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 22:11:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 88 transitions. [2023-11-24 22:11:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-24 22:11:26,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:11:26,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:11:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 80 transitions. [2023-11-24 22:11:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-11-24 22:11:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:11:26,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:26,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:27,026 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 22:11:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 82 transitions. [2023-11-24 22:11:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 22:11:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:11:27,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:27,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:27,482 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 22:11:27,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 93 transitions. [2023-11-24 22:11:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-11-24 22:11:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:11:27,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:27,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:27,936 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 22:11:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 97 transitions. [2023-11-24 22:11:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 22:11:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:11:28,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,146 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 22:11:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 96 transitions. [2023-11-24 22:11:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-24 22:11:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:11:28,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,265 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 22:11:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 104 transitions. [2023-11-24 22:11:28,370 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-11-24 22:11:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:11:28,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,413 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 22:11:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 97 transitions. [2023-11-24 22:11:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 22:11:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:11:28,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,492 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 22:11:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 76 states and 99 transitions. [2023-11-24 22:11:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-11-24 22:11:28,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:11:28,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,715 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 22:11:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 95 transitions. [2023-11-24 22:11:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2023-11-24 22:11:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:11:28,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,020 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 22:11:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:29,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 93 transitions. [2023-11-24 22:11:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-11-24 22:11:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:11:29,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:29,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,292 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 22:11:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 75 transitions. [2023-11-24 22:11:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-24 22:11:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:11:29,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:29,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,373 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 22:11:29,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 57 states and 72 transitions. [2023-11-24 22:11:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-24 22:11:29,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:11:29,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:29,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,595 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 22:11:29,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 59 states and 76 transitions. [2023-11-24 22:11:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-24 22:11:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:11:29,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:29,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,764 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 22:11:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 81 transitions. [2023-11-24 22:11:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-24 22:11:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:11:29,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:29,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,974 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 22:11:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 86 transitions. [2023-11-24 22:11:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-24 22:11:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:11:30,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:30,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:30,246 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 22:11:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 75 states and 101 transitions. [2023-11-24 22:11:30,951 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2023-11-24 22:11:30,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:11:30,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:30,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:31,019 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 22:11:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 73 states and 97 transitions. [2023-11-24 22:11:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-24 22:11:31,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:11:31,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:31,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:31,315 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 22:11:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:31,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 92 transitions. [2023-11-24 22:11:31,551 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2023-11-24 22:11:31,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:11:31,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:31,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:31,613 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 22:11:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 74 states and 96 transitions. [2023-11-24 22:11:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2023-11-24 22:11:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:11:31,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:31,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:11:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:32,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 72 states and 92 transitions. [2023-11-24 22:11:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-24 22:11:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:11:32,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:32,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:32,331 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 22:11:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 75 states and 98 transitions. [2023-11-24 22:11:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2023-11-24 22:11:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:11:32,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:32,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:32,715 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 22:11:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 78 states and 102 transitions. [2023-11-24 22:11:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2023-11-24 22:11:32,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:11:32,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:32,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:32,957 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 22:11:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 51 states and 63 transitions. [2023-11-24 22:11:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-24 22:11:32,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:11:32,997 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-24 22:11:33,007 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:11:33,380 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:11:33,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:33 ImpRootNode [2023-11-24 22:11:33,386 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:33,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:33,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:33,387 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:33,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:25" (3/4) ... [2023-11-24 22:11:33,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:11:33,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:11:33,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:11:33,405 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 22:11:33,406 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 22:11:33,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:11:33,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:11:33,408 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:11:33,550 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:11:33,551 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:11:33,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:33,552 INFO L158 Benchmark]: Toolchain (without parser) took 10222.71ms. Allocated memory was 121.6MB in the beginning and 207.6MB in the end (delta: 86.0MB). Free memory was 73.5MB in the beginning and 160.2MB in the end (delta: -86.7MB). Peak memory consumption was 421.7kB. Max. memory is 16.1GB. [2023-11-24 22:11:33,553 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 93.4MB in the beginning and 93.4MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:33,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1767.18ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 73.1MB in the beginning and 101.5MB in the end (delta: -28.3MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2023-11-24 22:11:33,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.07ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 98.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:33,554 INFO L158 Benchmark]: Boogie Preprocessor took 60.88ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 97.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:33,554 INFO L158 Benchmark]: RCFGBuilder took 627.42ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 76.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:11:33,555 INFO L158 Benchmark]: CodeCheck took 7517.06ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 76.3MB in the beginning and 166.5MB in the end (delta: -90.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 22:11:33,555 INFO L158 Benchmark]: Witness Printer took 165.12ms. Allocated memory is still 207.6MB. Free memory was 165.4MB in the beginning and 160.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:33,558 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, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4711 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2024 mSDsluCounter, 4661 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2062 mSDsCounter, 940 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4195 IncrementalHoareTripleChecker+Invalid, 5135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 940 mSolverCounterUnsat, 2599 mSDtfsCounter, 4195 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6031 GetRequests, 5894 SyntacticMatches, 15 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7100 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 1374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 93.4MB in the beginning and 93.4MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1767.18ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 73.1MB in the beginning and 101.5MB in the end (delta: -28.3MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.07ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 98.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.88ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 97.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 627.42ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 76.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 7517.06ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 76.3MB in the beginning and 166.5MB in the end (delta: -90.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 165.12ms. Allocated memory is still 207.6MB. Free memory was 165.4MB in the beginning and 160.2MB 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 22:11:33,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0025beba-6e04-402f-a265-a4c05e1dc3db/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