./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL --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 1a8fe106955e33ad0b77286efbf557d0c2fbf8777c5dc1f3bbb61b941e9d9383 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:55,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:55,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:10:55,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:10:55,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:10:55,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:55,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:10:55,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:10:55,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:55,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:55,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:55,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:10:55,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:10:55,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:55,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:10:55,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:55,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:10:55,464 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:10:55,464 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:10:55,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:10:55,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:55,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:55,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:55,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:55,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:55,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:55,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:55,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:55,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:10:55,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:10:55,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:10:55,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:10:55,471 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_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a8fe106955e33ad0b77286efbf557d0c2fbf8777c5dc1f3bbb61b941e9d9383 [2023-11-19 03:10:55,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:55,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:55,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:55,827 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:55,827 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:55,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i [2023-11-19 03:10:59,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:59,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:59,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i [2023-11-19 03:10:59,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/data/67134e2bd/5f3d1603806c4d3190c814d3f5569f3c/FLAG0b58be3d5 [2023-11-19 03:10:59,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/data/67134e2bd/5f3d1603806c4d3190c814d3f5569f3c [2023-11-19 03:10:59,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:59,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:59,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:59,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:59,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:59,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30dc7c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59, skipping insertion in model container [2023-11-19 03:10:59,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:59,988 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:11:00,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:00,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:00,649 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:11:00,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:00,954 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:00,955 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:00,955 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:00,955 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:00,955 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:00,956 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:00,964 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:00,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00 WrapperNode [2023-11-19 03:11:00,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:00,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:00,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:00,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:00,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,083 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 114 [2023-11-19 03:11:01,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:01,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:01,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:01,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:01,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:01,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:01,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:01,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:01,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:00" (1/1) ... [2023-11-19 03:11:01,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:01,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:01,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:01,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:11:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:11:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:11:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:11:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:11:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:11:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:11:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:11:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:11:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:11:01,387 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:01,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:01,621 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:01,679 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:01,680 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:11:01,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:01 BoogieIcfgContainer [2023-11-19 03:11:01,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:01,687 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:01,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:01,698 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:01,699 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:01" (1/1) ... [2023-11-19 03:11:01,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-19 03:11:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-19 03:11:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:11:01,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:01,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-19 03:11:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-19 03:11:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:11:02,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:02,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:02,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:02,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 75 transitions. [2023-11-19 03:11:02,483 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-19 03:11:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:11:02,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:02,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-19 03:11:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-19 03:11:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:11:02,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:02,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 74 transitions. [2023-11-19 03:11:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-19 03:11:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:11:02,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:02,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 57 states and 76 transitions. [2023-11-19 03:11:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-19 03:11:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:11:03,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:03,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:03,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 86 transitions. [2023-11-19 03:11:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-19 03:11:03,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:11:03,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:03,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:04,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 80 transitions. [2023-11-19 03:11:04,004 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-19 03:11:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:11:04,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:04,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2023-11-19 03:11:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-19 03:11:04,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:11:04,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:04,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 87 transitions. [2023-11-19 03:11:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-19 03:11:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:11:04,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:04,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2023-11-19 03:11:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-19 03:11:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:11:04,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:04,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:04,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 88 transitions. [2023-11-19 03:11:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-19 03:11:04,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:11:04,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 90 transitions. [2023-11-19 03:11:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2023-11-19 03:11:05,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:11:05,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:05,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 68 states and 88 transitions. [2023-11-19 03:11:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-19 03:11:05,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:11:05,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:05,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 67 states and 86 transitions. [2023-11-19 03:11:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-19 03:11:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:11:05,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 52 states and 67 transitions. [2023-11-19 03:11:05,559 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-19 03:11:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:11:05,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 54 states and 71 transitions. [2023-11-19 03:11:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-19 03:11:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:11:05,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 57 states and 76 transitions. [2023-11-19 03:11:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-19 03:11:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:11:05,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:11:06,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:06,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 66 states and 90 transitions. [2023-11-19 03:11:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-19 03:11:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:11:06,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:06,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 69 states and 94 transitions. [2023-11-19 03:11:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-11-19 03:11:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:11:07,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:07,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:11:07,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:07,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 72 states and 98 transitions. [2023-11-19 03:11:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2023-11-19 03:11:07,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:11:07,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:07,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 65 states and 86 transitions. [2023-11-19 03:11:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-19 03:11:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:11:07,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:07,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 92 transitions. [2023-11-19 03:11:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-11-19 03:11:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:11:07,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:07,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:07,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 73 states and 96 transitions. [2023-11-19 03:11:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-19 03:11:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:11:08,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:08,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 76 states and 102 transitions. [2023-11-19 03:11:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-11-19 03:11:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:11:08,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:08,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:11:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:08,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 48 states and 60 transitions. [2023-11-19 03:11:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-19 03:11:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:11:08,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:08,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:11:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:09,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 47 states and 59 transitions. [2023-11-19 03:11:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-19 03:11:09,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:11:09,284 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-19 03:11:09,296 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:11:09,673 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:11:09,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:11:09 ImpRootNode [2023-11-19 03:11:09,680 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:11:09,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:11:09,681 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:11:09,681 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:11:09,681 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:01" (3/4) ... [2023-11-19 03:11:09,686 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:11:09,690 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:11:09,690 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:11:09,697 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:11:09,698 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:11:09,698 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:11:09,699 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:11:09,699 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:11:09,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:11:09,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:11:09,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:11:09,844 INFO L158 Benchmark]: Toolchain (without parser) took 10364.64ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 94.0MB in the beginning and 74.8MB in the end (delta: 19.2MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2023-11-19 03:11:09,845 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 144.7MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:11:09,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1476.64ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 94.0MB in the beginning and 118.6MB in the end (delta: -24.6MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2023-11-19 03:11:09,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.29ms. Allocated memory is still 178.3MB. Free memory was 118.6MB in the beginning and 115.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:11:09,846 INFO L158 Benchmark]: Boogie Preprocessor took 62.07ms. Allocated memory is still 178.3MB. Free memory was 115.5MB in the beginning and 114.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:11:09,846 INFO L158 Benchmark]: RCFGBuilder took 538.91ms. Allocated memory is still 178.3MB. Free memory was 114.3MB in the beginning and 94.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:11:09,847 INFO L158 Benchmark]: CodeCheck took 7993.02ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 94.5MB in the beginning and 80.1MB in the end (delta: 14.4MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2023-11-19 03:11:09,847 INFO L158 Benchmark]: Witness Printer took 163.23ms. Allocated memory is still 213.9MB. Free memory was 80.1MB in the beginning and 74.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:11:09,849 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4182 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1749 mSDsluCounter, 3768 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1494 mSDsCounter, 1058 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4501 IncrementalHoareTripleChecker+Invalid, 5559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1058 mSolverCounterUnsat, 2274 mSDtfsCounter, 4501 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6196 GetRequests, 6040 SyntacticMatches, 14 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9624 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 598 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: 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: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: 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: 1664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 144.7MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1476.64ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 94.0MB in the beginning and 118.6MB in the end (delta: -24.6MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.29ms. Allocated memory is still 178.3MB. Free memory was 118.6MB in the beginning and 115.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.07ms. Allocated memory is still 178.3MB. Free memory was 115.5MB in the beginning and 114.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 538.91ms. Allocated memory is still 178.3MB. Free memory was 114.3MB in the beginning and 94.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 7993.02ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 94.5MB in the beginning and 80.1MB in the end (delta: 14.4MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Witness Printer took 163.23ms. Allocated memory is still 213.9MB. Free memory was 80.1MB in the beginning and 74.8MB 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! [2023-11-19 03:11:09,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242a910e-4891-46b6-b963-962623e5ec9a/bin/ukojak-verify-G8NBE6pJGL/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