./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/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_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/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 32bit --witnessprinter.graph.data.programhash 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:25,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:25,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:30:25,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:25,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:25,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:25,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:25,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:25,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:25,255 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:25,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:25,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:25,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:25,258 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:30:25,259 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:30:25,259 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:30:25,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:25,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:25,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:25,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:25,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:25,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:25,268 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:25,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:25,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:25,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:25,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:25,270 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:25,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:25,271 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_d2ceeb01-604e-4570-8661-0ea16af36e11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 [2023-11-19 03:30:25,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:25,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:25,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:25,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:25,632 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:25,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2023-11-19 03:30:28,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:28,977 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:28,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2023-11-19 03:30:28,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/data/7cb8db21d/c1d7fd7928be4fac8003cf5308614a08/FLAGe26f5bffe [2023-11-19 03:30:29,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/data/7cb8db21d/c1d7fd7928be4fac8003cf5308614a08 [2023-11-19 03:30:29,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:29,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:29,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:29,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:29,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:29,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7adeeda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29, skipping insertion in model container [2023-11-19 03:30:29,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,104 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:29,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:29,458 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:29,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:29,541 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:29,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29 WrapperNode [2023-11-19 03:30:29,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:29,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:29,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:29,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:29,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,607 INFO L138 Inliner]: procedures = 122, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2023-11-19 03:30:29,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:29,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:29,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:29,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:29,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:29,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:29,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:29,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:29,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:29,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:29,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:29,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ceeb01-604e-4570-8661-0ea16af36e11/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:30:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:30:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:30:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:30:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:30:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:29,911 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:29,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:30,247 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:30,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:30,323 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:30:30,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:30 BoogieIcfgContainer [2023-11-19 03:30:30,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:30,335 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:30,335 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:30,346 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:30,346 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:30" (1/1) ... [2023-11-19 03:30:30,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:30,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 80 transitions. [2023-11-19 03:30:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2023-11-19 03:30:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:30:30,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:30,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2023-11-19 03:30:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2023-11-19 03:30:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:30:30,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:30,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2023-11-19 03:30:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2023-11-19 03:30:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:30:30,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:30,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2023-11-19 03:30:30,991 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2023-11-19 03:30:30,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:30:30,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:30,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2023-11-19 03:30:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2023-11-19 03:30:31,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:30:31,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:31,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2023-11-19 03:30:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2023-11-19 03:30:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:30:31,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:31,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:31,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2023-11-19 03:30:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2023-11-19 03:30:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:31,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:31,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 67 states and 78 transitions. [2023-11-19 03:30:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2023-11-19 03:30:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:31,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:31,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2023-11-19 03:30:31,836 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2023-11-19 03:30:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:31,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:31,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:32,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:32,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 72 states and 88 transitions. [2023-11-19 03:30:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2023-11-19 03:30:32,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:32,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:32,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:32,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-11-19 03:30:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-11-19 03:30:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:32,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:32,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-19 03:30:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-19 03:30:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:32,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:32,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-19 03:30:33,187 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-19 03:30:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:30:33,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:33,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:33,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2023-11-19 03:30:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-19 03:30:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:30:33,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:33,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2023-11-19 03:30:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2023-11-19 03:30:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:30:33,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:33,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 73 states and 94 transitions. [2023-11-19 03:30:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-19 03:30:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:30:34,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:34,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:35,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 78 states and 110 transitions. [2023-11-19 03:30:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2023-11-19 03:30:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:35,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 83 states and 118 transitions. [2023-11-19 03:30:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2023-11-19 03:30:36,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:36,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:36,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2023-11-19 03:30:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2023-11-19 03:30:37,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:30:37,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:37,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2023-11-19 03:30:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2023-11-19 03:30:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:30:38,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:38,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2023-11-19 03:30:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2023-11-19 03:30:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:38,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:38,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 90 states and 138 transitions. [2023-11-19 03:30:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 138 transitions. [2023-11-19 03:30:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:39,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:39,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:39,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2023-11-19 03:30:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2023-11-19 03:30:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:39,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:39,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:40,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:40,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 91 states and 139 transitions. [2023-11-19 03:30:40,267 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2023-11-19 03:30:40,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:40,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:40,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 92 states and 142 transitions. [2023-11-19 03:30:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2023-11-19 03:30:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:40,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:40,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:40,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2023-11-19 03:30:42,282 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2023-11-19 03:30:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:30:42,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:42,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:30:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 97 states and 154 transitions. [2023-11-19 03:30:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2023-11-19 03:30:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:30:42,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:42,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:42,784 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2023-11-19 03:30:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2023-11-19 03:30:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:30:43,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:43,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 99 states and 160 transitions. [2023-11-19 03:30:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 160 transitions. [2023-11-19 03:30:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:30:43,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:43,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:44,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 100 states and 162 transitions. [2023-11-19 03:30:44,515 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 162 transitions. [2023-11-19 03:30:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:30:44,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:44,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 101 states and 164 transitions. [2023-11-19 03:30:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 164 transitions. [2023-11-19 03:30:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:30:45,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:45,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:45,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:46,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 106 states and 174 transitions. [2023-11-19 03:30:46,666 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 174 transitions. [2023-11-19 03:30:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:30:46,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:46,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:30:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 106 states and 173 transitions. [2023-11-19 03:30:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 173 transitions. [2023-11-19 03:30:47,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:30:47,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:47,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:47,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 107 states and 174 transitions. [2023-11-19 03:30:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 174 transitions. [2023-11-19 03:30:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:30:47,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:47,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:30:48,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2023-11-19 03:30:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2023-11-19 03:30:48,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:30:48,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:48,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:30:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:49,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 109 states and 179 transitions. [2023-11-19 03:30:49,215 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 179 transitions. [2023-11-19 03:30:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:30:49,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:49,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:30:49,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:49,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 181 transitions. [2023-11-19 03:30:49,871 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 181 transitions. [2023-11-19 03:30:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:30:49,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:49,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:30:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 219 transitions. [2023-11-19 03:30:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2023-11-19 03:30:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:30:54,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:54,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:30:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 134 states and 230 transitions. [2023-11-19 03:30:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 230 transitions. [2023-11-19 03:30:57,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:30:57,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:57,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:30:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 134 states and 229 transitions. [2023-11-19 03:30:58,011 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 229 transitions. [2023-11-19 03:30:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:30:58,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:58,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:31:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 137 states and 235 transitions. [2023-11-19 03:31:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 235 transitions. [2023-11-19 03:31:00,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:31:00,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:00,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:00,391 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:31:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:00,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 138 states and 236 transitions. [2023-11-19 03:31:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 236 transitions. [2023-11-19 03:31:00,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:31:00,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:00,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:31:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 139 states and 239 transitions. [2023-11-19 03:31:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 239 transitions. [2023-11-19 03:31:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:31:02,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:02,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 03:31:02,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 238 transitions. [2023-11-19 03:31:02,102 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2023-11-19 03:31:02,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:31:02,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:02,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:02,533 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:31:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 140 states and 242 transitions. [2023-11-19 03:31:03,380 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 242 transitions. [2023-11-19 03:31:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:31:03,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 74 states and 88 transitions. [2023-11-19 03:31:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2023-11-19 03:31:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:31:05,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:05,299 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 03:31:05,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2023-11-19 03:31:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2023-11-19 03:31:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:31:05,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:05,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:31:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 76 states and 91 transitions. [2023-11-19 03:31:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2023-11-19 03:31:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:31:06,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:06,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.