./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9 --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 32bit --witnessprinter.graph.data.programhash 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:58:43,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:58:43,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 20:58:43,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:58:43,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:58:43,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:58:43,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:58:43,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:58:43,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:58:43,971 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:58:43,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:58:43,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:58:43,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:58:43,973 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 20:58:43,973 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 20:58:43,974 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 20:58:43,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:58:43,975 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:58:43,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:58:43,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:58:43,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:58:43,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:58:43,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:58:43,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:58:43,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:43,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:58:43,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:58:43,979 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:58:43,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:58:43,980 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_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 [2023-12-02 20:58:44,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:58:44,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:58:44,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:58:44,191 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:58:44,191 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:58:44,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2023-12-02 20:58:46,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:58:47,123 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:58:47,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2023-12-02 20:58:47,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/data/06312f8c5/ed9f76a507d041efb60f9cb7218a1e94/FLAG02b204e1b [2023-12-02 20:58:47,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/data/06312f8c5/ed9f76a507d041efb60f9cb7218a1e94 [2023-12-02 20:58:47,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:58:47,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:58:47,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:47,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:58:47,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:58:47,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7416991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47, skipping insertion in model container [2023-12-02 20:58:47,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:58:47,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:47,476 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:58:47,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:47,541 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:58:47,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47 WrapperNode [2023-12-02 20:58:47,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:47,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:47,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:58:47,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:58:47,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,584 INFO L138 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2023-12-02 20:58:47,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:47,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:58:47,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:58:47,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:58:47,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:58:47,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:58:47,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:58:47,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:58:47,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:47" (1/1) ... [2023-12-02 20:58:47,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:47,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:58:47,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:58:47,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a198fb-22a7-4694-8b8a-eeed32202850/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:58:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:58:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:58:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:58:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:58:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:58:47,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:58:47,793 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:58:47,795 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:58:47,983 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:58:48,037 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:58:48,037 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 20:58:48,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:48 BoogieIcfgContainer [2023-12-02 20:58:48,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:58:48,040 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:58:48,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:58:48,049 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:58:48,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:48" (1/1) ... [2023-12-02 20:58:48,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:58:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-12-02 20:58:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-12-02 20:58:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 20:58:48,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:48,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:48,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:48,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-12-02 20:58:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-12-02 20:58:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 20:58:48,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:48,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2023-12-02 20:58:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-12-02 20:58:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 20:58:48,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:48,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:49,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-12-02 20:58:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-12-02 20:58:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 20:58:49,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:49,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:49,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:50,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2023-12-02 20:58:50,102 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-12-02 20:58:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 20:58:50,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:50,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2023-12-02 20:58:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-12-02 20:58:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 20:58:51,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:51,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2023-12-02 20:58:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-12-02 20:58:52,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 20:58:52,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:52,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:53,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:53,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2023-12-02 20:58:53,320 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2023-12-02 20:58:53,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 20:58:53,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:53,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2023-12-02 20:58:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2023-12-02 20:58:53,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 20:58:53,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2023-12-02 20:58:55,241 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2023-12-02 20:58:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:58:55,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:55,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2023-12-02 20:58:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2023-12-02 20:58:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:58:57,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:58,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-12-02 20:58:58,964 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-12-02 20:58:58,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:58:58,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:58,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:59:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2023-12-02 20:59:02,463 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2023-12-02 20:59:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:59:02,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:02,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:59:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2023-12-02 20:59:06,713 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-12-02 20:59:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 20:59:06,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:06,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:59:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2023-12-02 20:59:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2023-12-02 20:59:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 20:59:07,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:59:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2023-12-02 20:59:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2023-12-02 20:59:10,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 20:59:10,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:10,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:59:11,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:11,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2023-12-02 20:59:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2023-12-02 20:59:11,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 20:59:11,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:11,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:59:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2023-12-02 20:59:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2023-12-02 20:59:12,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:59:12,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:12,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:59:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:13,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2023-12-02 20:59:13,250 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-12-02 20:59:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:59:13,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:13,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:59:16,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2023-12-02 20:59:16,830 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2023-12-02 20:59:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:59:16,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:16,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:59:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2023-12-02 20:59:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2023-12-02 20:59:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:59:18,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:18,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:59:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2023-12-02 20:59:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-12-02 20:59:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:59:27,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:27,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:59:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:30,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2023-12-02 20:59:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2023-12-02 20:59:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:59:30,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:30,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:59:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 93 transitions. [2023-12-02 20:59:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 93 transitions. [2023-12-02 20:59:38,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 20:59:38,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:38,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:59:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 64 states and 106 transitions. [2023-12-02 20:59:48,327 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2023-12-02 20:59:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 20:59:48,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:48,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:59:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 74 states and 131 transitions. [2023-12-02 20:59:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 131 transitions. [2023-12-02 20:59:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 20:59:59,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:59,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:59:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:00:10,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 82 states and 147 transitions. [2023-12-02 21:00:10,786 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 147 transitions. [2023-12-02 21:00:10,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:00:10,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:10,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:00:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 86 states and 156 transitions. [2023-12-02 21:00:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 156 transitions. [2023-12-02 21:00:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:00:21,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:21,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:00:25,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 89 states and 160 transitions. [2023-12-02 21:00:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 160 transitions. [2023-12-02 21:00:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:00:25,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:25,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:00:52,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:52,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 99 states and 191 transitions. [2023-12-02 21:00:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 191 transitions. [2023-12-02 21:00:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:00:52,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:52,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:00:54,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 95 states and 184 transitions. [2023-12-02 21:00:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 184 transitions. [2023-12-02 21:00:54,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:00:54,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:54,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:00:56,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 95 states and 183 transitions. [2023-12-02 21:00:56,004 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 183 transitions. [2023-12-02 21:00:56,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:00:56,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:56,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:00:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 94 states and 181 transitions. [2023-12-02 21:00:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2023-12-02 21:00:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:00:58,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:58,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:01:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:00,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 95 states and 182 transitions. [2023-12-02 21:01:00,311 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 182 transitions. [2023-12-02 21:01:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:01:00,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:00,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:01:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:01:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 97 states and 187 transitions. [2023-12-02 21:01:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2023-12-02 21:01:03,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:01:03,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:03,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:01:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:01:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:14,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 97 states and 186 transitions. [2023-12-02 21:01:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2023-12-02 21:01:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:01:14,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:14,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:01:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:01:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:33,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 106 states and 218 transitions. [2023-12-02 21:01:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 218 transitions. [2023-12-02 21:01:33,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:01:33,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:01:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:02:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:10,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 118 states and 247 transitions. [2023-12-02 21:02:10,206 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 247 transitions. [2023-12-02 21:02:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:02:10,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:10,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:02:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:10,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:02:14,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 119 states and 249 transitions. [2023-12-02 21:02:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 249 transitions. [2023-12-02 21:02:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:02:14,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:14,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:02:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:02:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 283 transitions. [2023-12-02 21:02:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 283 transitions. [2023-12-02 21:02:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:02:52,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:52,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:02:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:02:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 129 states and 285 transitions. [2023-12-02 21:02:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 285 transitions. [2023-12-02 21:02:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:02:58,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:58,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:02:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:03:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:00,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 130 states and 288 transitions. [2023-12-02 21:03:00,670 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 288 transitions. [2023-12-02 21:03:00,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:03:00,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:00,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:03:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:03:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 133 states and 292 transitions. [2023-12-02 21:03:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 292 transitions. [2023-12-02 21:03:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:03:07,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:07,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:03:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:03:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 134 states and 296 transitions. [2023-12-02 21:03:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 296 transitions. [2023-12-02 21:03:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:03:09,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:09,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:03:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:03:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:20,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 138 states and 303 transitions. [2023-12-02 21:03:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 303 transitions. [2023-12-02 21:03:20,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:03:20,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:20,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:03:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:03:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 139 states and 306 transitions. [2023-12-02 21:03:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 306 transitions. [2023-12-02 21:03:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:03:26,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:26,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:03:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:04:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 151 states and 346 transitions. [2023-12-02 21:04:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 346 transitions. [2023-12-02 21:04:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:04:47,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:47,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:04:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:05:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 154 states and 351 transitions. [2023-12-02 21:05:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 351 transitions. [2023-12-02 21:05:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:05:06,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:06,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:05:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 155 states and 351 transitions. [2023-12-02 21:05:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 351 transitions. [2023-12-02 21:05:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:05:11,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:11,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:05:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 156 states and 350 transitions. [2023-12-02 21:05:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 350 transitions. [2023-12-02 21:05:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:05:40,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:40,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:05:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 157 states and 352 transitions. [2023-12-02 21:05:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 352 transitions. [2023-12-02 21:05:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:05:47,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:47,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:55,748 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 171 states and 392 transitions. [2023-12-02 21:07:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 392 transitions. [2023-12-02 21:07:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:07:07,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:07,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:07:13,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:13,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 172 states and 398 transitions. [2023-12-02 21:07:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 398 transitions. [2023-12-02 21:07:13,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:07:13,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:13,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:08:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:17,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 182 states and 448 transitions. [2023-12-02 21:08:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 448 transitions. [2023-12-02 21:08:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:08:17,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:17,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 187 states and 464 transitions. [2023-12-02 21:08:46,482 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 464 transitions. [2023-12-02 21:08:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:08:46,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:46,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:08:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 188 states and 465 transitions. [2023-12-02 21:08:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 465 transitions. [2023-12-02 21:08:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:08:55,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:55,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:06,112 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:10:22,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 196 states and 492 transitions. [2023-12-02 21:10:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 492 transitions. [2023-12-02 21:10:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:10:22,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:22,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:10:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:22,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 21:10:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 199 states and 495 transitions. [2023-12-02 21:10:38,176 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 495 transitions. [2023-12-02 21:10:38,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:10:38,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:38,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:10:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:10:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 200 states and 500 transitions. [2023-12-02 21:10:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 500 transitions. [2023-12-02 21:10:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:10:46,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:46,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:10:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 21:10:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:55,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 201 states and 501 transitions. [2023-12-02 21:10:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 501 transitions. [2023-12-02 21:10:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:10:55,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:55,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:10:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:11:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:11:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 206 states and 530 transitions. [2023-12-02 21:11:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 530 transitions. [2023-12-02 21:11:29,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:11:29,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:11:29,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:11:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:11:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:11:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:11:43,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 208 states and 541 transitions. [2023-12-02 21:11:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 541 transitions. [2023-12-02 21:11:43,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:11:43,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:11:43,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:11:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:11:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:12:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:12:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 211 states and 570 transitions. [2023-12-02 21:12:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 570 transitions. [2023-12-02 21:12:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:12:03,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:12:03,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:12:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:12:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:12:38,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:12:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 216 states and 592 transitions. [2023-12-02 21:12:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 592 transitions. [2023-12-02 21:12:38,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:12:38,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:12:38,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:12:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:12:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.