./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cba5a963119dc53e5779ba4def398ef43e1b516dbff57f313e5d5d7dfbebfbb9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:38,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:38,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:54:38,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:38,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:38,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:38,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:38,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:38,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:38,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:38,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:38,581 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:54:38,582 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:54:38,584 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:54:38,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:38,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:38,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:38,586 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:38,586 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:38,586 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:38,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:38,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:38,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:38,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:38,590 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:38,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:38,591 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_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cba5a963119dc53e5779ba4def398ef43e1b516dbff57f313e5d5d7dfbebfbb9 [2023-11-24 22:54:38,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:38,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:38,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:38,957 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:38,957 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:38,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2023-11-24 22:54:42,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:42,732 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:42,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/sv-benchmarks/c/busybox-1.22.0/head-1.i [2023-11-24 22:54:42,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/data/442b7542d/0955b1d8de064724925a73c0f8927be9/FLAGd525d11b1 [2023-11-24 22:54:42,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/data/442b7542d/0955b1d8de064724925a73c0f8927be9 [2023-11-24 22:54:42,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:42,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:42,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:42,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:42,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:42,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716b46eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42, skipping insertion in model container [2023-11-24 22:54:42,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,900 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:44,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:44,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:44,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:44,915 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:44,915 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:44,915 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:44,915 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:44,916 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:44,916 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:44,916 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:44,916 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:44,916 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:44,924 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:44,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44 WrapperNode [2023-11-24 22:54:44,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:44,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:44,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:44,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:44,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:44,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,196 INFO L138 Inliner]: procedures = 581, calls = 371, calls flagged for inlining = 66, calls inlined = 234, statements flattened = 5647 [2023-11-24 22:54:45,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:45,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:45,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:45,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:45,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:45,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:45,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:45,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:45,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:45,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:45,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:45,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:45,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4daee8d2-200b-4c32-a558-d9f470c5a724/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-24 22:54:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-24 22:54:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 22:54:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-24 22:54:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:54:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:54:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:54:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-24 22:54:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 22:54:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:54:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 22:54:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:54:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-24 22:54:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:54:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:54:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-24 22:54:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-24 22:54:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-24 22:54:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:54:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:46,211 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:46,213 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:53,665 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:55,304 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:55,305 INFO L309 CfgBuilder]: Removed 110 assume(true) statements. [2023-11-24 22:54:55,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:55 BoogieIcfgContainer [2023-11-24 22:54:55,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:55,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:55,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:55,321 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:55,321 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:55" (1/1) ... [2023-11-24 22:54:55,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:55,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3061 states and 3524 transitions. [2023-11-24 22:54:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3524 transitions. [2023-11-24 22:54:55,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:54:55,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3060 states and 3523 transitions. [2023-11-24 22:54:56,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3523 transitions. [2023-11-24 22:54:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:54:56,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:56,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3059 states and 3522 transitions. [2023-11-24 22:54:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states and 3522 transitions. [2023-11-24 22:54:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:56,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3060 states and 3524 transitions. [2023-11-24 22:54:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3524 transitions. [2023-11-24 22:54:56,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:56,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:56,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3061 states and 3526 transitions. [2023-11-24 22:54:56,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3526 transitions. [2023-11-24 22:54:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:56,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:57,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3063 states and 3528 transitions. [2023-11-24 22:54:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 3528 transitions. [2023-11-24 22:54:57,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:57,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 3064 states and 3531 transitions. [2023-11-24 22:54:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3531 transitions. [2023-11-24 22:54:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:57,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3064 states and 3530 transitions. [2023-11-24 22:54:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3530 transitions. [2023-11-24 22:54:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:57,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:58,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3066 states and 3533 transitions. [2023-11-24 22:54:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 3533 transitions. [2023-11-24 22:54:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:58,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:59,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3068 states and 3538 transitions. [2023-11-24 22:54:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 3538 transitions. [2023-11-24 22:54:59,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:59,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3068 states and 3537 transitions. [2023-11-24 22:54:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 3537 transitions. [2023-11-24 22:54:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:59,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3070 states and 3540 transitions. [2023-11-24 22:55:00,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 3540 transitions. [2023-11-24 22:55:00,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:00,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:00,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3072 states and 3547 transitions. [2023-11-24 22:55:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3547 transitions. [2023-11-24 22:55:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:01,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:55:01,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3072 states and 3546 transitions. [2023-11-24 22:55:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3546 transitions. [2023-11-24 22:55:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:01,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3073 states and 3546 transitions. [2023-11-24 22:55:02,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3073 states and 3546 transitions. [2023-11-24 22:55:02,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:02,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,016 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 3075 states and 3553 transitions. [2023-11-24 22:55:03,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 3553 transitions. [2023-11-24 22:55:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:03,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:55:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3075 states and 3552 transitions. [2023-11-24 22:55:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 3552 transitions. [2023-11-24 22:55:03,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:03,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:04,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3076 states and 3552 transitions. [2023-11-24 22:55:04,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3552 transitions. [2023-11-24 22:55:04,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:04,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3078 states and 3559 transitions. [2023-11-24 22:55:05,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 3559 transitions. [2023-11-24 22:55:05,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:05,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:55:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3078 states and 3558 transitions. [2023-11-24 22:55:05,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 3558 transitions. [2023-11-24 22:55:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:05,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3080 states and 3562 transitions. [2023-11-24 22:55:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 3562 transitions. [2023-11-24 22:55:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:07,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3081 states and 3562 transitions. [2023-11-24 22:55:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3081 states and 3562 transitions. [2023-11-24 22:55:08,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:08,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 3083 states and 3571 transitions. [2023-11-24 22:55:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 3571 transitions. [2023-11-24 22:55:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:09,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:09,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:10,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3085 states and 3574 transitions. [2023-11-24 22:55:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 3574 transitions. [2023-11-24 22:55:10,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:10,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:10,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 22:55:11,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3573 states to 3085 states and 3573 transitions. [2023-11-24 22:55:11,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 3573 transitions. [2023-11-24 22:55:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:11,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:11,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:11,525 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3087 states and 3583 transitions. [2023-11-24 22:55:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 3583 transitions. [2023-11-24 22:55:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:12,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:12,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3089 states and 3585 transitions. [2023-11-24 22:55:13,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 3585 transitions. [2023-11-24 22:55:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:13,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:13,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:55:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3089 states and 3584 transitions. [2023-11-24 22:55:14,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 3584 transitions. [2023-11-24 22:55:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:14,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:14,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:15,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3091 states and 3584 transitions. [2023-11-24 22:55:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 3584 transitions. [2023-11-24 22:55:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:15,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:15,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3092 states and 3584 transitions. [2023-11-24 22:55:16,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 3584 transitions. [2023-11-24 22:55:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:16,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:16,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3596 states to 3094 states and 3596 transitions. [2023-11-24 22:55:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 3596 transitions. [2023-11-24 22:55:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:17,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:17,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 22:55:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3094 states and 3595 transitions. [2023-11-24 22:55:17,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 3595 transitions. [2023-11-24 22:55:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:17,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:17,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3095 states and 3595 transitions. [2023-11-24 22:55:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 3595 transitions. [2023-11-24 22:55:18,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:18,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:18,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:19,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3097 states and 3601 transitions. [2023-11-24 22:55:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 3601 transitions. [2023-11-24 22:55:19,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:19,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:19,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 22:55:20,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:20,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3097 states and 3600 transitions. [2023-11-24 22:55:20,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 3600 transitions. [2023-11-24 22:55:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:20,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:20,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:21,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3076 states and 3538 transitions. [2023-11-24 22:55:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3538 transitions. [2023-11-24 22:55:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:55:21,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:21,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.