./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC --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 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:26,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:26,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:10:26,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:10:26,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:10:27,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:27,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:27,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:27,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:27,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:27,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:27,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:27,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:10:27,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:27,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:27,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:27,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:27,036 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:27,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:27,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:27,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:27,039 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:27,039 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:27,040 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:27,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:27,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:27,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:27,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:27,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:27,043 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:10:27,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:10:27,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:27,045 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_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 [2023-11-23 20:10:27,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:27,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:27,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:27,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:27,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:27,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2023-11-23 20:10:30,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:31,000 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:31,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2023-11-23 20:10:31,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/data/fe58323df/f468f6a9fc5c4cbbb9ed861c4abf32ac/FLAGb82e30e85 [2023-11-23 20:10:31,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/data/fe58323df/f468f6a9fc5c4cbbb9ed861c4abf32ac [2023-11-23 20:10:31,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:31,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:31,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:31,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:31,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:31,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:31" (1/1) ... [2023-11-23 20:10:31,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6591171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:31, skipping insertion in model container [2023-11-23 20:10:31,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:31" (1/1) ... [2023-11-23 20:10:31,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:31,506 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:32,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:32,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:32,210 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:32,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:32,436 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:32,436 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:32,436 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:32,437 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:32,437 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:32,437 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:32,446 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:32,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32 WrapperNode [2023-11-23 20:10:32,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:32,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:32,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:32,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:32,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,542 INFO L138 Inliner]: procedures = 502, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 112 [2023-11-23 20:10:32,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:32,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:32,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:32,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:32,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:32,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:32,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:32,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:32,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:32" (1/1) ... [2023-11-23 20:10:32,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:32,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:32,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:32,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:10:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:10:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:10:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:10:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:10:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:10:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:10:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:32,929 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:32,939 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:33,147 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:33,203 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:33,203 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 20:10:33,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:33 BoogieIcfgContainer [2023-11-23 20:10:33,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:33,206 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:33,206 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:33,216 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:33,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:33" (1/1) ... [2023-11-23 20:10:33,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-23 20:10:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-23 20:10:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:10:33,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2023-11-23 20:10:33,755 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-23 20:10:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:10:33,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:33,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:33,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2023-11-23 20:10:33,975 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-23 20:10:33,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:10:33,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:33,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2023-11-23 20:10:34,098 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-23 20:10:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:10:34,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:34,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2023-11-23 20:10:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2023-11-23 20:10:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:34,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:34,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:34,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2023-11-23 20:10:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-23 20:10:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:34,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:34,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:10:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2023-11-23 20:10:34,872 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2023-11-23 20:10:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:34,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:34,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2023-11-23 20:10:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-11-23 20:10:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:10:35,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:10:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2023-11-23 20:10:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2023-11-23 20:10:35,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:10:35,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:10:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 61 transitions. [2023-11-23 20:10:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2023-11-23 20:10:35,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:10:35,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:10:35,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 68 transitions. [2023-11-23 20:10:35,694 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-23 20:10:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:10:35,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:10:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 70 transitions. [2023-11-23 20:10:35,776 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-11-23 20:10:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:10:35,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:10:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:36,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 75 transitions. [2023-11-23 20:10:36,098 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-23 20:10:36,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:10:36,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 78 transitions. [2023-11-23 20:10:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-23 20:10:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:10:36,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:36,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:10:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 82 transitions. [2023-11-23 20:10:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-11-23 20:10:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:10:36,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:36,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 83 transitions. [2023-11-23 20:10:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-11-23 20:10:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:10:36,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:36,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:10:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 66 states and 84 transitions. [2023-11-23 20:10:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-23 20:10:36,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:10:36,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:36,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:37,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 61 transitions. [2023-11-23 20:10:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-23 20:10:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:10:37,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:37,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 47 states and 55 transitions. [2023-11-23 20:10:37,447 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-23 20:10:37,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:10:37,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:37,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 49 states and 59 transitions. [2023-11-23 20:10:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-23 20:10:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:10:37,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:37,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 50 states and 60 transitions. [2023-11-23 20:10:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-23 20:10:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:10:38,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:38,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:38,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:10:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 56 states and 69 transitions. [2023-11-23 20:10:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2023-11-23 20:10:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:10:38,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:38,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:10:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:38,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 57 states and 71 transitions. [2023-11-23 20:10:38,686 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2023-11-23 20:10:38,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:10:38,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:38,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:10:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 58 states and 72 transitions. [2023-11-23 20:10:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-23 20:10:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:10:39,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:39,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 45 states and 53 transitions. [2023-11-23 20:10:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2023-11-23 20:10:39,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:10:39,402 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-11-23 20:10:39,411 INFO L751 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-23 20:10:39,541 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-23 20:10:39,549 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:39,550 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:39,550 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:39,550 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:39,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:10:39 ImpRootNode [2023-11-23 20:10:39,552 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:10:39,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:10:39,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:10:39,555 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:10:39,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:33" (3/4) ... [2023-11-23 20:10:39,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:10:39,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:10:39,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:10:39,570 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-23 20:10:39,571 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-23 20:10:39,571 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:10:39,572 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:10:39,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:10:39,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:10:39,730 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:10:39,731 INFO L158 Benchmark]: Toolchain (without parser) took 8683.42ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 136.8MB in the beginning and 77.6MB in the end (delta: 59.1MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB. [2023-11-23 20:10:39,731 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:39,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1412.48ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 136.8MB in the beginning and 179.6MB in the end (delta: -42.8MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:39,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.36ms. Allocated memory is still 211.8MB. Free memory was 179.6MB in the beginning and 177.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:39,733 INFO L158 Benchmark]: Boogie Preprocessor took 40.66ms. Allocated memory is still 211.8MB. Free memory was 176.4MB in the beginning and 175.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:39,733 INFO L158 Benchmark]: RCFGBuilder took 620.48ms. Allocated memory is still 211.8MB. Free memory was 175.4MB in the beginning and 156.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:10:39,733 INFO L158 Benchmark]: CodeCheck took 6345.96ms. Allocated memory is still 211.8MB. Free memory was 156.5MB in the beginning and 83.8MB in the end (delta: 72.7MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2023-11-23 20:10:39,734 INFO L158 Benchmark]: Witness Printer took 177.65ms. Allocated memory is still 211.8MB. Free memory was 82.9MB in the beginning and 77.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:10:39,736 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, 48 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2020 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 836 mSDsluCounter, 1191 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 789 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3200 IncrementalHoareTripleChecker+Invalid, 3989 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 789 mSolverCounterUnsat, 811 mSDtfsCounter, 3200 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3918 GetRequests, 3807 SyntacticMatches, 9 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3663 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 509 NumberOfCodeBlocks, 509 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 763 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 88/94 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: 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 - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: (((1 <= h) && (data == 2)) || (h == 0)) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1609]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1412.48ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 136.8MB in the beginning and 179.6MB in the end (delta: -42.8MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.36ms. Allocated memory is still 211.8MB. Free memory was 179.6MB in the beginning and 177.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.66ms. Allocated memory is still 211.8MB. Free memory was 176.4MB in the beginning and 175.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.48ms. Allocated memory is still 211.8MB. Free memory was 175.4MB in the beginning and 156.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 6345.96ms. Allocated memory is still 211.8MB. Free memory was 156.5MB in the beginning and 83.8MB in the end (delta: 72.7MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * Witness Printer took 177.65ms. Allocated memory is still 211.8MB. Free memory was 82.9MB in the beginning and 77.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:10:39,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598f737e-3f4f-4427-b0a5-de38a06fd0e4/bin/ukojak-verify-1t5iHCbJaC/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