./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-broom/dll.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/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_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-broom/dll.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL --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 10681342956536030b52ca48e31ce31e2b55c374e7faf58302ff5a4410bd4b13 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:43,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:43,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 04:06:43,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:43,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:43,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:43,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:43,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:43,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:43,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:43,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:43,539 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:06:43,539 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:06:43,540 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:06:43,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:43,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:43,542 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:43,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:43,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:43,544 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:43,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:43,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:43,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:43,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:43,548 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:43,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:43,549 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_8d649a06-c1ea-4423-bf0e-c96882ef973e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10681342956536030b52ca48e31ce31e2b55c374e7faf58302ff5a4410bd4b13 [2023-11-19 04:06:43,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:43,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:43,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:43,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:43,919 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:43,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety-broom/dll.i [2023-11-19 04:06:47,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:48,071 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:48,074 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/sv-benchmarks/c/memsafety-broom/dll.i [2023-11-19 04:06:48,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/data/c1e402773/a6acd4dd32f447758fb026bd21f70d77/FLAG6bca603d5 [2023-11-19 04:06:48,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/data/c1e402773/a6acd4dd32f447758fb026bd21f70d77 [2023-11-19 04:06:48,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:48,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:48,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:48,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:48,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:48,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa811aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48, skipping insertion in model container [2023-11-19 04:06:48,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:48,575 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:06:48,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:48,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:48,744 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:06:48,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:48,800 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:48,810 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:48,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48 WrapperNode [2023-11-19 04:06:48,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:48,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:48,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:48,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:48,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,892 INFO L138 Inliner]: procedures = 119, calls = 18, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 71 [2023-11-19 04:06:48,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:48,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:48,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:48,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:48,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:48,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:48,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:48,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:48,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:48" (1/1) ... [2023-11-19 04:06:48,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:48,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:49,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:49,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d649a06-c1ea-4423-bf0e-c96882ef973e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:06:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:06:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:06:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:49,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:49,245 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:49,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:49,616 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:49,688 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:49,689 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:06:49,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:49 BoogieIcfgContainer [2023-11-19 04:06:49,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:49,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:49,699 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:49,712 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:49,712 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:49" (1/1) ... [2023-11-19 04:06:49,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2023-11-19 04:06:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2023-11-19 04:06:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:06:49,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,060 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 04:06:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2023-11-19 04:06:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-11-19 04:06:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:06:50,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,249 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 04:06:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2023-11-19 04:06:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2023-11-19 04:06:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:06:50,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,482 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 04:06:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-19 04:06:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-19 04:06:50,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:06:50,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,630 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 04:06:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2023-11-19 04:06:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-11-19 04:06:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:06:50,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,982 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 04:06:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:51,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2023-11-19 04:06:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2023-11-19 04:06:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:06:51,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:51,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:51,116 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 04:06:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 39 states and 41 transitions. [2023-11-19 04:06:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2023-11-19 04:06:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:06:51,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:51,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:51,207 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 04:06:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2023-11-19 04:06:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2023-11-19 04:06:51,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:06:51,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:51,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:51,323 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 04:06:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 37 states and 39 transitions. [2023-11-19 04:06:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2023-11-19 04:06:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:06:51,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:51,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:51,465 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 04:06:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2023-11-19 04:06:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-11-19 04:06:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:06:51,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:51,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:51,833 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 04:06:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2023-11-19 04:06:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-19 04:06:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:06:52,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:52,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:52,409 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 04:06:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2023-11-19 04:06:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2023-11-19 04:06:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:06:53,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:53,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:53,458 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 04:06:54,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2023-11-19 04:06:54,434 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2023-11-19 04:06:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:06:54,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:54,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:54,635 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 04:06:55,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:55,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2023-11-19 04:06:55,723 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2023-11-19 04:06:55,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:06:55,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:55,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:55,751 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 04:06:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2023-11-19 04:06:55,771 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2023-11-19 04:06:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:06:55,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:55,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:55,979 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 04:06:56,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 89 transitions. [2023-11-19 04:06:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2023-11-19 04:06:56,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:06:56,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:56,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:59,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 103 transitions. [2023-11-19 04:06:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2023-11-19 04:06:59,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:06:59,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:59,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2023-11-19 04:06:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-19 04:06:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:06:59,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:59,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:00,081 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 04:07:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 70 states and 109 transitions. [2023-11-19 04:07:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 109 transitions. [2023-11-19 04:07:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:07:01,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:01,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:01,633 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 04:07:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:03,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-11-19 04:07:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-11-19 04:07:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:03,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:03,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:04,250 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 04:07:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 76 states and 126 transitions. [2023-11-19 04:07:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 126 transitions. [2023-11-19 04:07:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:06,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:06,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 81 states and 144 transitions. [2023-11-19 04:07:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 144 transitions. [2023-11-19 04:07:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:09,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:09,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:09,125 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 04:07:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 82 states and 145 transitions. [2023-11-19 04:07:09,613 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2023-11-19 04:07:09,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:09,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:09,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:10,151 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 04:07:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:12,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 157 transitions. [2023-11-19 04:07:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 157 transitions. [2023-11-19 04:07:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:12,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:12,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:12,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 87 states and 161 transitions. [2023-11-19 04:07:12,856 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 161 transitions. [2023-11-19 04:07:12,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:12,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:12,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 88 states and 162 transitions. [2023-11-19 04:07:13,484 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 162 transitions. [2023-11-19 04:07:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:13,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:13,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 89 states and 163 transitions. [2023-11-19 04:07:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 163 transitions. [2023-11-19 04:07:14,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:14,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:14,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:14,200 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 04:07:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 90 states and 165 transitions. [2023-11-19 04:07:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 165 transitions. [2023-11-19 04:07:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:14,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:14,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:14,830 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 04:07:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 91 states and 167 transitions. [2023-11-19 04:07:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 167 transitions. [2023-11-19 04:07:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:15,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:15,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:15,471 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 04:07:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 92 states and 168 transitions. [2023-11-19 04:07:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 168 transitions. [2023-11-19 04:07:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:16,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:16,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:16,128 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 04:07:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 93 states and 170 transitions. [2023-11-19 04:07:16,670 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 170 transitions. [2023-11-19 04:07:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:16,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:16,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:16,728 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 04:07:17,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 95 states and 179 transitions. [2023-11-19 04:07:17,421 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 179 transitions. [2023-11-19 04:07:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:07:17,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:17,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 96 states and 180 transitions. [2023-11-19 04:07:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 180 transitions. [2023-11-19 04:07:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:07:18,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:18,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 106 states and 204 transitions. [2023-11-19 04:07:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 204 transitions. [2023-11-19 04:07:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:07:26,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:26,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 107 states and 206 transitions. [2023-11-19 04:07:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 206 transitions. [2023-11-19 04:07:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:07:26,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:26,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 108 states and 208 transitions. [2023-11-19 04:07:27,833 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 208 transitions. [2023-11-19 04:07:27,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:07:27,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:27,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 107 states and 207 transitions. [2023-11-19 04:07:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 207 transitions. [2023-11-19 04:07:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:07:29,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:29,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 113 states and 219 transitions. [2023-11-19 04:07:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 219 transitions. [2023-11-19 04:07:36,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:07:36,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:36,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat