./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sleep-4.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/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_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sleep-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/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_9743e80d-5fe7-41bd-8600-dd083bc190ba/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 12244b834c7519d4d3daf3027146648b188c91f33b05dcd349edcc87950c24be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:37,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:37,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:30:37,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:37,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:37,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:37,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:37,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:37,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:37,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:37,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:37,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:37,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:37,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:37,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:37,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:37,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:37,556 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:30:37,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:37,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:37,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:37,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:37,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:37,560 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:37,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:37,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:37,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:37,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:37,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:37,564 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:37,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:37,566 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:37,566 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_9743e80d-5fe7-41bd-8600-dd083bc190ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12244b834c7519d4d3daf3027146648b188c91f33b05dcd349edcc87950c24be [2023-11-19 03:30:37,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:37,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:37,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:37,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:37,907 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:37,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/sleep-4.i [2023-11-19 03:30:41,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:41,694 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:41,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/sv-benchmarks/c/busybox-1.22.0/sleep-4.i [2023-11-19 03:30:41,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/data/dca439a71/4bfb3be5d3e048caae71fc3f6aebaf9f/FLAG3c2837e32 [2023-11-19 03:30:41,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/data/dca439a71/4bfb3be5d3e048caae71fc3f6aebaf9f [2023-11-19 03:30:41,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:41,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:41,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:41,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:41,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:41,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:41" (1/1) ... [2023-11-19 03:30:41,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344448be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:41, skipping insertion in model container [2023-11-19 03:30:41,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:41" (1/1) ... [2023-11-19 03:30:41,858 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:43,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:43,604 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:43,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:44,025 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:44,026 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:44,026 WARN L675 CHandler]: The function strspn is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:44,034 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:44,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44 WrapperNode [2023-11-19 03:30:44,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:44,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:44,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:44,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:44,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,211 INFO L138 Inliner]: procedures = 633, calls = 241, calls flagged for inlining = 17, calls inlined = 15, statements flattened = 787 [2023-11-19 03:30:44,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:44,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:44,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:44,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:44,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:44,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:44,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:44,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:44,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:44" (1/1) ... [2023-11-19 03:30:44,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:44,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:44,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:44,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9743e80d-5fe7-41bd-8600-dd083bc190ba/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:30:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-19 03:30:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-19 03:30:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:30:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:30:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:30:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:30:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:30:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:44,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 03:30:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 03:30:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:30:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:30:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:30:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:30:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:30:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2023-11-19 03:30:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2023-11-19 03:30:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2023-11-19 03:30:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-19 03:30:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:30:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 03:30:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 03:30:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:44,854 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:44,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:45,842 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:46,045 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:46,045 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 03:30:46,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:46 BoogieIcfgContainer [2023-11-19 03:30:46,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:46,052 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:46,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:46,063 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:46,063 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:46" (1/1) ... [2023-11-19 03:30:46,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 185 states and 240 transitions. [2023-11-19 03:30:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2023-11-19 03:30:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:30:46,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:46,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:46,685 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 03:30:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 187 states and 243 transitions. [2023-11-19 03:30:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 243 transitions. [2023-11-19 03:30:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:30:46,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:46,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:46,891 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 03:30:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:46,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 188 states and 244 transitions. [2023-11-19 03:30:46,916 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2023-11-19 03:30:46,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:30:46,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:46,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:47,132 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 03:30:47,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:47,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 190 states and 247 transitions. [2023-11-19 03:30:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2023-11-19 03:30:47,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:47,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:47,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:47,351 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 03:30:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 189 states and 246 transitions. [2023-11-19 03:30:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 246 transitions. [2023-11-19 03:30:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:30:47,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:47,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:47,635 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 03:30:47,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:47,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 190 states and 247 transitions. [2023-11-19 03:30:47,704 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2023-11-19 03:30:47,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:30:47,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:47,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:47,901 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 03:30:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 189 states and 246 transitions. [2023-11-19 03:30:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 246 transitions. [2023-11-19 03:30:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:48,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:48,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:48,194 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 03:30:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 245 transitions. [2023-11-19 03:30:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2023-11-19 03:30:48,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:30:48,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:48,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:48,413 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 03:30:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 191 states and 248 transitions. [2023-11-19 03:30:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 248 transitions. [2023-11-19 03:30:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:48,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:48,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:48,822 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 03:30:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 194 states and 251 transitions. [2023-11-19 03:30:48,984 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 251 transitions. [2023-11-19 03:30:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:48,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:48,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:49,211 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 03:30:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 197 states and 254 transitions. [2023-11-19 03:30:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 254 transitions. [2023-11-19 03:30:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:30:49,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:49,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:49,716 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 03:30:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 200 states and 257 transitions. [2023-11-19 03:30:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 257 transitions. [2023-11-19 03:30:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:30:49,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:49,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:50,245 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 03:30:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 203 states and 260 transitions. [2023-11-19 03:30:50,474 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 260 transitions. [2023-11-19 03:30:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:30:50,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:50,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:50,794 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 03:30:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 206 states and 263 transitions. [2023-11-19 03:30:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 263 transitions. [2023-11-19 03:30:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:30:51,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:51,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:51,400 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 03:30:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 209 states and 266 transitions. [2023-11-19 03:30:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 266 transitions. [2023-11-19 03:30:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:30:51,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:51,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:52,101 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 03:30:52,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 212 states and 268 transitions. [2023-11-19 03:30:52,281 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 268 transitions. [2023-11-19 03:30:52,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:30:52,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:52,698 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 03:30:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:52,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 211 states and 267 transitions. [2023-11-19 03:30:52,947 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 267 transitions. [2023-11-19 03:30:52,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:30:52,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:53,109 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 03:30:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 210 states and 266 transitions. [2023-11-19 03:30:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 266 transitions. [2023-11-19 03:30:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:30:53,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:53,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:53,302 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 03:30:53,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:53,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 209 states and 265 transitions. [2023-11-19 03:30:53,442 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 265 transitions. [2023-11-19 03:30:53,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:30:53,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:53,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:53,672 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 03:30:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:53,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 210 states and 267 transitions. [2023-11-19 03:30:53,744 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2023-11-19 03:30:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:30:53,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:53,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:53,899 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 03:30:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 211 states and 268 transitions. [2023-11-19 03:30:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 268 transitions. [2023-11-19 03:30:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:30:53,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:53,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:54,096 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 03:30:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 212 states and 269 transitions. [2023-11-19 03:30:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2023-11-19 03:30:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:30:54,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:54,322 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 03:30:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 218 states and 280 transitions. [2023-11-19 03:30:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 280 transitions. [2023-11-19 03:30:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:30:54,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:54,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:55,006 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 03:30:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 220 states and 284 transitions. [2023-11-19 03:30:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 284 transitions. [2023-11-19 03:30:55,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:30:55,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:55,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:55,490 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 03:30:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 194 states and 249 transitions. [2023-11-19 03:30:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 249 transitions. [2023-11-19 03:30:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:30:55,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:55,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:55,712 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 03:30:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 195 states and 250 transitions. [2023-11-19 03:30:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2023-11-19 03:30:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:30:55,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:55,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:55,959 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 03:30:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 194 states and 249 transitions. [2023-11-19 03:30:56,229 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 249 transitions. [2023-11-19 03:30:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:30:56,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:56,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:56,676 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 03:30:57,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 195 states and 250 transitions. [2023-11-19 03:30:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2023-11-19 03:30:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:30:57,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:57,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:57,370 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 03:30:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 197 states and 252 transitions. [2023-11-19 03:30:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 252 transitions. [2023-11-19 03:30:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:30:57,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:58,086 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 03:30:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 198 states and 255 transitions. [2023-11-19 03:30:58,846 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 255 transitions. [2023-11-19 03:30:58,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:30:58,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:58,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:59,023 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 03:30:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 199 states and 255 transitions. [2023-11-19 03:30:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 255 transitions. [2023-11-19 03:30:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:30:59,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:59,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:59,428 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 03:30:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 200 states and 256 transitions. [2023-11-19 03:30:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2023-11-19 03:30:59,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:30:59,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:59,986 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 03:31:00,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 201 states and 258 transitions. [2023-11-19 03:31:00,239 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 258 transitions. [2023-11-19 03:31:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:31:00,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:00,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-19 03:31:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 202 states and 258 transitions. [2023-11-19 03:31:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 258 transitions. [2023-11-19 03:31:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:31:00,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:00,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:31:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 205 states and 261 transitions. [2023-11-19 03:31:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 261 transitions. [2023-11-19 03:31:01,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:31:01,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:01,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:31:02,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 208 states and 264 transitions. [2023-11-19 03:31:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 264 transitions. [2023-11-19 03:31:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:31:02,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:02,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:31:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 211 states and 267 transitions. [2023-11-19 03:31:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 267 transitions. [2023-11-19 03:31:03,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:31:03,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:31:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 214 states and 270 transitions. [2023-11-19 03:31:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 270 transitions. [2023-11-19 03:31:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:31:04,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:31:05,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 217 states and 273 transitions. [2023-11-19 03:31:05,907 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 273 transitions. [2023-11-19 03:31:05,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:31:05,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:05,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:31:07,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 220 states and 276 transitions. [2023-11-19 03:31:07,101 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 276 transitions. [2023-11-19 03:31:07,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:31:07,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:07,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:31:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 223 states and 279 transitions. [2023-11-19 03:31:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 279 transitions. [2023-11-19 03:31:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:31:08,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:08,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:31:09,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 226 states and 281 transitions. [2023-11-19 03:31:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 281 transitions. [2023-11-19 03:31:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 03:31:09,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:09,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.