./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.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_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/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_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/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_3fe6b832-0504-43fe-a712-a912e5e87170/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 46eaa86a058d5f8f9ac1a5b9efbcb664547df2e8af2d76b8a7d936d3418cf7e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:11:05,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:11:06,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:11:06,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:11:06,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:11:06,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:11:06,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:11:06,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:11:06,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:11:06,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:11:06,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:11:06,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:11:06,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:11:06,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:11:06,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:11:06,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:11:06,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:11:06,072 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:11:06,073 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:11:06,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:11:06,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:11:06,075 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:11:06,075 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:11:06,076 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:11:06,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:11:06,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:06,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:11:06,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:11:06,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:11:06,079 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:11:06,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:11:06,080 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:11:06,081 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_3fe6b832-0504-43fe-a712-a912e5e87170/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46eaa86a058d5f8f9ac1a5b9efbcb664547df2e8af2d76b8a7d936d3418cf7e2 [2023-11-19 03:11:06,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:11:06,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:11:06,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:11:06,386 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:11:06,386 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:11:06,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-11-19 03:11:09,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:09,994 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:09,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-11-19 03:11:10,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/data/2026cb918/b454665d1d6e426da99107c2bc0dd0a6/FLAG5f7cfdafd [2023-11-19 03:11:10,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/data/2026cb918/b454665d1d6e426da99107c2bc0dd0a6 [2023-11-19 03:11:10,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:10,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:10,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:10,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:10,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:10,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:10" (1/1) ... [2023-11-19 03:11:10,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b40bf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:10, skipping insertion in model container [2023-11-19 03:11:10,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:10" (1/1) ... [2023-11-19 03:11:10,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:11,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:11,712 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:11,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:12,159 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:12,159 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:12,160 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:12,168 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:12,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12 WrapperNode [2023-11-19 03:11:12,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:12,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:12,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:12,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:12,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,332 INFO L138 Inliner]: procedures = 575, calls = 398, calls flagged for inlining = 29, calls inlined = 27, statements flattened = 1680 [2023-11-19 03:11:12,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:12,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:12,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:12,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:12,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:12,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:12,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:12,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:12,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:12" (1/1) ... [2023-11-19 03:11:12,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:12,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:12,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:12,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe6b832-0504-43fe-a712-a912e5e87170/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2023-11-19 03:11:12,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2023-11-19 03:11:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:11:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:11:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:11:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-19 03:11:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-19 03:11:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:11:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:11:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:11:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:11:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:11:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 03:11:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 03:11:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-19 03:11:12,716 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-19 03:11:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:11:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:11:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:11:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:11:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:11:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:11:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:11:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:11:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:11:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:11:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 03:11:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 03:11:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 03:11:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:11:13,244 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:13,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:14,822 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:15,399 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:15,400 INFO L302 CfgBuilder]: Removed 28 assume(true) statements. [2023-11-19 03:11:15,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:15 BoogieIcfgContainer [2023-11-19 03:11:15,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:15,410 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:15,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:15,421 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:15,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:15" (1/1) ... [2023-11-19 03:11:15,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 377 states and 527 transitions. [2023-11-19 03:11:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 527 transitions. [2023-11-19 03:11:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:11:15,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:16,106 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 03:11:16,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 379 states and 530 transitions. [2023-11-19 03:11:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 530 transitions. [2023-11-19 03:11:16,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:11:16,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:16,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:16,328 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 03:11:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:16,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 380 states and 531 transitions. [2023-11-19 03:11:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2023-11-19 03:11:16,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:11:16,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:16,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:16,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 382 states and 534 transitions. [2023-11-19 03:11:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 534 transitions. [2023-11-19 03:11:16,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:11:16,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:16,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:11:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:16,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 381 states and 533 transitions. [2023-11-19 03:11:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 533 transitions. [2023-11-19 03:11:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:11:16,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:16,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 382 states and 534 transitions. [2023-11-19 03:11:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 534 transitions. [2023-11-19 03:11:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:11:17,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:17,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:17,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 381 states and 533 transitions. [2023-11-19 03:11:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 533 transitions. [2023-11-19 03:11:17,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:11:17,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:17,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:17,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 380 states and 532 transitions. [2023-11-19 03:11:17,554 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 532 transitions. [2023-11-19 03:11:17,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:11:17,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:17,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:17,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 383 states and 535 transitions. [2023-11-19 03:11:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 535 transitions. [2023-11-19 03:11:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:11:17,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:17,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:18,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:18,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 386 states and 538 transitions. [2023-11-19 03:11:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 538 transitions. [2023-11-19 03:11:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:11:18,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:18,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 389 states and 541 transitions. [2023-11-19 03:11:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 541 transitions. [2023-11-19 03:11:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:11:18,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:18,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 392 states and 544 transitions. [2023-11-19 03:11:19,172 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 544 transitions. [2023-11-19 03:11:19,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:11:19,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:19,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:19,490 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:19,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 395 states and 547 transitions. [2023-11-19 03:11:19,736 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 547 transitions. [2023-11-19 03:11:19,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:11:19,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:19,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 398 states and 550 transitions. [2023-11-19 03:11:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 550 transitions. [2023-11-19 03:11:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:11:20,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:20,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 401 states and 553 transitions. [2023-11-19 03:11:20,993 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 553 transitions. [2023-11-19 03:11:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:11:20,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 404 states and 555 transitions. [2023-11-19 03:11:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 555 transitions. [2023-11-19 03:11:21,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:11:21,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:21,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 403 states and 554 transitions. [2023-11-19 03:11:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 554 transitions. [2023-11-19 03:11:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:11:22,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:22,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:22,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 402 states and 553 transitions. [2023-11-19 03:11:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 553 transitions. [2023-11-19 03:11:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:11:22,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:22,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 401 states and 552 transitions. [2023-11-19 03:11:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 552 transitions. [2023-11-19 03:11:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:11:22,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:22,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 403 states and 555 transitions. [2023-11-19 03:11:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 555 transitions. [2023-11-19 03:11:23,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:11:23,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:23,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:23,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:23,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 406 states and 559 transitions. [2023-11-19 03:11:23,356 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 559 transitions. [2023-11-19 03:11:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:11:23,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 407 states and 560 transitions. [2023-11-19 03:11:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 560 transitions. [2023-11-19 03:11:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:11:23,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:23,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 408 states and 561 transitions. [2023-11-19 03:11:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 561 transitions. [2023-11-19 03:11:23,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:11:23,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:23,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 410 states and 564 transitions. [2023-11-19 03:11:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 564 transitions. [2023-11-19 03:11:24,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:11:24,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:24,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:11:24,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 416 states and 575 transitions. [2023-11-19 03:11:24,877 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 575 transitions. [2023-11-19 03:11:24,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:11:24,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:24,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:11:25,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 415 states and 574 transitions. [2023-11-19 03:11:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 574 transitions. [2023-11-19 03:11:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:11:25,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:25,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:11:25,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 416 states and 575 transitions. [2023-11-19 03:11:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 575 transitions. [2023-11-19 03:11:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:11:25,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:25,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:26,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 419 states and 580 transitions. [2023-11-19 03:11:26,028 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 580 transitions. [2023-11-19 03:11:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:11:26,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:26,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 423 states and 585 transitions. [2023-11-19 03:11:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 585 transitions. [2023-11-19 03:11:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:11:26,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:26,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-19 03:11:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 422 states and 584 transitions. [2023-11-19 03:11:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 584 transitions. [2023-11-19 03:11:27,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:11:27,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:27,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-19 03:11:27,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 424 states and 587 transitions. [2023-11-19 03:11:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 587 transitions. [2023-11-19 03:11:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:11:27,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:27,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:28,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 428 states and 592 transitions. [2023-11-19 03:11:28,329 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 592 transitions. [2023-11-19 03:11:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:11:28,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:28,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 03:11:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 427 states and 591 transitions. [2023-11-19 03:11:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 591 transitions. [2023-11-19 03:11:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:11:29,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:29,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-19 03:11:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 429 states and 592 transitions. [2023-11-19 03:11:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 592 transitions. [2023-11-19 03:11:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:11:29,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:29,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:29,922 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:30,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 430 states and 593 transitions. [2023-11-19 03:11:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 593 transitions. [2023-11-19 03:11:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:11:30,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:30,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 434 states and 598 transitions. [2023-11-19 03:11:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 598 transitions. [2023-11-19 03:11:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:11:30,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:30,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-19 03:11:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:31,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 435 states and 599 transitions. [2023-11-19 03:11:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 599 transitions. [2023-11-19 03:11:31,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:11:31,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 436 states and 600 transitions. [2023-11-19 03:11:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 600 transitions. [2023-11-19 03:11:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:11:31,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:31,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:31,737 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-19 03:11:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 437 states and 601 transitions. [2023-11-19 03:11:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 601 transitions. [2023-11-19 03:11:32,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:11:32,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:32,226 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:32,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 440 states and 605 transitions. [2023-11-19 03:11:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 605 transitions. [2023-11-19 03:11:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:11:32,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:32,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 444 states and 610 transitions. [2023-11-19 03:11:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 610 transitions. [2023-11-19 03:11:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:11:33,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:33,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 445 states and 611 transitions. [2023-11-19 03:11:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 611 transitions. [2023-11-19 03:11:33,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:11:33,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:33,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 447 states and 614 transitions. [2023-11-19 03:11:33,589 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 614 transitions. [2023-11-19 03:11:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:11:33,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:33,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-19 03:11:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 456 states and 629 transitions. [2023-11-19 03:11:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 629 transitions. [2023-11-19 03:11:35,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:11:35,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:35,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 455 states and 627 transitions. [2023-11-19 03:11:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 627 transitions. [2023-11-19 03:11:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:11:36,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:36,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 454 states and 626 transitions. [2023-11-19 03:11:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 626 transitions. [2023-11-19 03:11:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:11:36,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:36,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-19 03:11:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:38,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 464 states and 641 transitions. [2023-11-19 03:11:38,906 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 641 transitions. [2023-11-19 03:11:38,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:11:38,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:38,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 463 states and 640 transitions. [2023-11-19 03:11:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 640 transitions. [2023-11-19 03:11:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:11:39,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:39,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:39,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 462 states and 639 transitions. [2023-11-19 03:11:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 639 transitions. [2023-11-19 03:11:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:11:39,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:39,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:40,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 461 states and 638 transitions. [2023-11-19 03:11:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 638 transitions. [2023-11-19 03:11:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:11:40,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:40,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 465 states and 643 transitions. [2023-11-19 03:11:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 643 transitions. [2023-11-19 03:11:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:11:40,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:40,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:41,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 464 states and 642 transitions. [2023-11-19 03:11:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 642 transitions. [2023-11-19 03:11:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:11:41,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:41,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-19 03:11:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 465 states and 642 transitions. [2023-11-19 03:11:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 642 transitions. [2023-11-19 03:11:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:11:41,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:41,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:42,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:42,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 469 states and 647 transitions. [2023-11-19 03:11:42,351 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 647 transitions. [2023-11-19 03:11:42,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:11:42,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:42,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-19 03:11:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:42,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 471 states and 648 transitions. [2023-11-19 03:11:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 648 transitions. [2023-11-19 03:11:42,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:11:42,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:42,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:43,380 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:43,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:43,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 470 states and 647 transitions. [2023-11-19 03:11:43,680 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 647 transitions. [2023-11-19 03:11:43,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:11:43,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:43,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:43,899 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-19 03:11:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 472 states and 648 transitions. [2023-11-19 03:11:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 648 transitions. [2023-11-19 03:11:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:11:44,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:44,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 472 states and 644 transitions. [2023-11-19 03:11:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 644 transitions. [2023-11-19 03:11:44,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:11:44,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:44,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-19 03:11:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 474 states and 648 transitions. [2023-11-19 03:11:45,422 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 648 transitions. [2023-11-19 03:11:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:11:45,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:45,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-19 03:11:47,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 475 states and 651 transitions. [2023-11-19 03:11:47,581 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 651 transitions. [2023-11-19 03:11:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:11:47,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:47,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:48,029 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:11:48,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 479 states and 656 transitions. [2023-11-19 03:11:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 656 transitions. [2023-11-19 03:11:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:11:48,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:48,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-19 03:11:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 480 states and 658 transitions. [2023-11-19 03:11:50,092 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 658 transitions. [2023-11-19 03:11:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:11:50,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:50,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat