./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk --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 2fe3fcfd23f0db0414af322b91d2d32e3943484ebce4a900c0ef2633a5499508 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:26:47,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:26:47,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 22:26:47,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:26:47,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:26:47,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:26:47,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:26:47,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:26:47,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:26:47,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:26:47,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:26:47,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:26:47,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:26:47,653 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:26:47,653 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:26:47,654 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:26:47,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:26:47,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:26:47,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:26:47,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:26:47,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:26:47,657 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:26:47,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:26:47,658 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:26:47,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:26:47,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:26:47,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:26:47,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:26:47,659 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:26:47,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:26:47,660 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_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fe3fcfd23f0db0414af322b91d2d32e3943484ebce4a900c0ef2633a5499508 [2024-11-08 22:26:47,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:26:48,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:26:48,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:26:48,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:26:48,042 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:26:48,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i Unable to find full path for "g++" [2024-11-08 22:26:50,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:26:50,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:26:50,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i [2024-11-08 22:26:50,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/data/10390d4ba/75835dd447ca4534b16c6b04e04a7a60/FLAGa8024f676 [2024-11-08 22:26:50,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/data/10390d4ba/75835dd447ca4534b16c6b04e04a7a60 [2024-11-08 22:26:50,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:26:50,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:26:50,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:26:50,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:26:50,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:26:50,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:26:50" (1/1) ... [2024-11-08 22:26:50,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140cafd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:50, skipping insertion in model container [2024-11-08 22:26:50,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:26:50" (1/1) ... [2024-11-08 22:26:50,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:26:51,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:26:51,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:26:51,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:26:51,299 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:26:51,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51 WrapperNode [2024-11-08 22:26:51,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:26:51,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:26:51,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:26:51,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:26:51,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,357 INFO L138 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 117 [2024-11-08 22:26:51,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:26:51,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:26:51,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:26:51,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:26:51,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:26:51,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:26:51,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:26:51,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:26:51,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:51" (1/1) ... [2024-11-08 22:26:51,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:26:51,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:26:51,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:26:51,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05bad40-ef37-4b5c-8053-59b7fb47dfc5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:26:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:26:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:26:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:26:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:26:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 22:26:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 22:26:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:26:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 22:26:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:26:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:26:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:26:51,578 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:26:51,581 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:26:52,025 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-08 22:26:52,025 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:26:52,121 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:26:52,123 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:26:52,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:26:52 BoogieIcfgContainer [2024-11-08 22:26:52,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:26:52,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:26:52,125 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:26:52,137 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:26:52,137 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:26:52" (1/1) ... [2024-11-08 22:26:52,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:26:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2024-11-08 22:26:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2024-11-08 22:26:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:26:52,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:52,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:52,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2024-11-08 22:26:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2024-11-08 22:26:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:26:52,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:52,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 94 states and 105 transitions. [2024-11-08 22:26:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2024-11-08 22:26:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:26:53,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:53,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 95 states and 107 transitions. [2024-11-08 22:26:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2024-11-08 22:26:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:26:53,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:53,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2024-11-08 22:26:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2024-11-08 22:26:54,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:26:54,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:54,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 98 states and 112 transitions. [2024-11-08 22:26:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2024-11-08 22:26:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:26:54,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:54,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 101 states and 117 transitions. [2024-11-08 22:26:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2024-11-08 22:26:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:26:54,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:54,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:54,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 100 states and 116 transitions. [2024-11-08 22:26:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2024-11-08 22:26:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:26:54,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:54,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2024-11-08 22:26:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2024-11-08 22:26:54,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:26:54,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:54,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2024-11-08 22:26:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2024-11-08 22:26:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:26:55,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:55,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2024-11-08 22:26:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2024-11-08 22:26:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:26:55,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:55,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:55,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2024-11-08 22:26:55,589 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2024-11-08 22:26:55,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:26:55,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:55,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 105 states and 127 transitions. [2024-11-08 22:26:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2024-11-08 22:26:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:26:56,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:56,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:56,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:56,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 107 states and 130 transitions. [2024-11-08 22:26:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2024-11-08 22:26:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:26:56,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:56,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:56,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 109 states and 137 transitions. [2024-11-08 22:26:56,594 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions. [2024-11-08 22:26:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:26:56,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:56,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 116 states and 150 transitions. [2024-11-08 22:26:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 150 transitions. [2024-11-08 22:26:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:26:57,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:57,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 123 states and 166 transitions. [2024-11-08 22:26:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 166 transitions. [2024-11-08 22:26:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:26:59,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:59,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:59,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 172 transitions. [2024-11-08 22:26:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2024-11-08 22:26:59,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:26:59,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:59,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 178 transitions. [2024-11-08 22:26:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 178 transitions. [2024-11-08 22:26:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:26:59,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:59,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:00,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 131 states and 182 transitions. [2024-11-08 22:27:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 182 transitions. [2024-11-08 22:27:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:27:00,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:00,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 135 states and 193 transitions. [2024-11-08 22:27:01,167 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 193 transitions. [2024-11-08 22:27:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:27:01,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:01,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 137 states and 195 transitions. [2024-11-08 22:27:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 195 transitions. [2024-11-08 22:27:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:27:01,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:01,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 138 states and 197 transitions. [2024-11-08 22:27:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 197 transitions. [2024-11-08 22:27:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:27:02,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 142 states and 205 transitions. [2024-11-08 22:27:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2024-11-08 22:27:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:27:03,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:03,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 146 states and 213 transitions. [2024-11-08 22:27:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 213 transitions. [2024-11-08 22:27:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:27:06,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:06,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 145 states and 212 transitions. [2024-11-08 22:27:06,074 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 212 transitions. [2024-11-08 22:27:06,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:27:06,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:06,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:06,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:06,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 147 states and 215 transitions. [2024-11-08 22:27:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 215 transitions. [2024-11-08 22:27:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:27:06,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:06,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:27:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 147 states and 214 transitions. [2024-11-08 22:27:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2024-11-08 22:27:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:27:06,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:06,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:27:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 147 states and 213 transitions. [2024-11-08 22:27:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2024-11-08 22:27:07,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:27:07,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:07,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 149 states and 215 transitions. [2024-11-08 22:27:08,000 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 215 transitions. [2024-11-08 22:27:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:27:08,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:08,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 153 states and 223 transitions. [2024-11-08 22:27:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 223 transitions. [2024-11-08 22:27:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:27:09,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:09,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:11,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 161 states and 243 transitions. [2024-11-08 22:27:11,862 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 243 transitions. [2024-11-08 22:27:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:27:11,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:11,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 166 states and 255 transitions. [2024-11-08 22:27:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 255 transitions. [2024-11-08 22:27:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:27:14,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:14,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 172 states and 268 transitions. [2024-11-08 22:27:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2024-11-08 22:27:18,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:27:18,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:18,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 174 states and 272 transitions. [2024-11-08 22:27:18,984 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 272 transitions. [2024-11-08 22:27:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:27:18,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:18,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:19,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 175 states and 273 transitions. [2024-11-08 22:27:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 273 transitions. [2024-11-08 22:27:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:27:19,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:19,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:20,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 179 states and 280 transitions. [2024-11-08 22:27:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 280 transitions. [2024-11-08 22:27:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:27:20,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:20,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 183 states and 285 transitions. [2024-11-08 22:27:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 285 transitions. [2024-11-08 22:27:21,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:27:21,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:27:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 183 states and 284 transitions. [2024-11-08 22:27:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 284 transitions. [2024-11-08 22:27:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:27:22,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:22,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:27:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 184 states and 284 transitions. [2024-11-08 22:27:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 284 transitions. [2024-11-08 22:27:23,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:27:23,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:23,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 186 states and 288 transitions. [2024-11-08 22:27:24,535 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 288 transitions. [2024-11-08 22:27:24,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:27:24,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:24,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 198 states and 314 transitions. [2024-11-08 22:27:31,783 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 314 transitions. [2024-11-08 22:27:31,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:27:31,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:31,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 199 states and 317 transitions. [2024-11-08 22:27:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 317 transitions. [2024-11-08 22:27:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:27:33,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:33,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 204 states and 324 transitions. [2024-11-08 22:27:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 324 transitions. [2024-11-08 22:27:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:27:37,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:37,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:39,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 208 states and 335 transitions. [2024-11-08 22:27:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 335 transitions. [2024-11-08 22:27:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:27:44,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:44,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:27:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 208 states and 334 transitions. [2024-11-08 22:27:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 334 transitions. [2024-11-08 22:27:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:27:45,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:45,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 221 states and 360 transitions. [2024-11-08 22:27:59,606 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 360 transitions. [2024-11-08 22:27:59,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:27:59,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:59,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:01,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 225 states and 365 transitions. [2024-11-08 22:28:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 365 transitions. [2024-11-08 22:28:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:28:01,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:01,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 228 states and 370 transitions. [2024-11-08 22:28:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 370 transitions. [2024-11-08 22:28:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:28:02,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:02,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 232 states and 376 transitions. [2024-11-08 22:28:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 376 transitions. [2024-11-08 22:28:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:28:04,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:28:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 228 states and 368 transitions. [2024-11-08 22:28:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 368 transitions. [2024-11-08 22:28:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:28:05,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:05,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:28:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 224 states and 361 transitions. [2024-11-08 22:28:07,441 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 361 transitions. [2024-11-08 22:28:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:28:07,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:07,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:07,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:28:08,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 224 states and 360 transitions. [2024-11-08 22:28:08,592 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 360 transitions. [2024-11-08 22:28:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:28:08,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:08,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:28:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:09,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 225 states and 360 transitions. [2024-11-08 22:28:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 360 transitions. [2024-11-08 22:28:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:28:09,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:09,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 229 states and 366 transitions. [2024-11-08 22:28:14,510 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 366 transitions. [2024-11-08 22:28:14,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:28:14,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:14,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:18,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 231 states and 374 transitions. [2024-11-08 22:28:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 374 transitions. [2024-11-08 22:28:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:28:18,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:18,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:28:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 232 states and 377 transitions. [2024-11-08 22:28:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 377 transitions. [2024-11-08 22:28:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:28:18,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:18,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:28:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 233 states and 377 transitions. [2024-11-08 22:28:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 377 transitions. [2024-11-08 22:28:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:28:18,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:18,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:19,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:28:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 238 states and 387 transitions. [2024-11-08 22:28:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 387 transitions. [2024-11-08 22:28:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:28:27,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:27,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 250 states and 408 transitions. [2024-11-08 22:28:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 408 transitions. [2024-11-08 22:28:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:28:45,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:45,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:29:07,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:07,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 267 states and 440 transitions. [2024-11-08 22:29:07,725 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 440 transitions. [2024-11-08 22:29:07,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:29:07,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:07,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:29:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 273 states and 450 transitions. [2024-11-08 22:29:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 450 transitions. [2024-11-08 22:29:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:29:15,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:15,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:29:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 269 states and 443 transitions. [2024-11-08 22:29:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 443 transitions. [2024-11-08 22:29:17,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:29:17,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:17,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:21,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:29:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 285 states and 476 transitions. [2024-11-08 22:29:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 476 transitions. [2024-11-08 22:29:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:29:42,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:42,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:30:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 299 states and 505 transitions. [2024-11-08 22:30:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2024-11-08 22:30:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:30:12,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:12,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:30:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:30,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 309 states and 531 transitions. [2024-11-08 22:30:30,129 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 531 transitions. [2024-11-08 22:30:30,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:30:30,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:30,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:30:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 319 states and 555 transitions. [2024-11-08 22:30:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 555 transitions. [2024-11-08 22:30:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:30:48,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:48,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 330 states and 575 transitions. [2024-11-08 22:31:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 575 transitions. [2024-11-08 22:31:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:31:13,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:13,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:13,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 334 states and 579 transitions. [2024-11-08 22:31:18,909 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 579 transitions. [2024-11-08 22:31:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:31:18,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:18,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:20,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:20,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 335 states and 581 transitions. [2024-11-08 22:31:20,797 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 581 transitions. [2024-11-08 22:31:20,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:31:20,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:20,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:22,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 335 states and 580 transitions. [2024-11-08 22:31:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 580 transitions. [2024-11-08 22:31:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:31:22,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:22,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:31:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 335 states and 579 transitions. [2024-11-08 22:31:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 579 transitions. [2024-11-08 22:31:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:31:24,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:24,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:31:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:26,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 336 states and 579 transitions. [2024-11-08 22:31:26,480 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 579 transitions. [2024-11-08 22:31:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:31:26,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:26,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:35,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 338 states and 583 transitions. [2024-11-08 22:31:35,512 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 583 transitions. [2024-11-08 22:31:35,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:31:35,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:35,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 339 states and 585 transitions. [2024-11-08 22:31:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 585 transitions. [2024-11-08 22:31:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:31:37,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:37,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:37,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:41,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 340 states and 586 transitions. [2024-11-08 22:31:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 586 transitions. [2024-11-08 22:31:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:31:41,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:41,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:44,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 340 states and 585 transitions. [2024-11-08 22:31:44,331 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 585 transitions. [2024-11-08 22:31:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:31:44,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:44,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:31:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 344 states and 591 transitions. [2024-11-08 22:31:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 591 transitions. [2024-11-08 22:31:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:31:51,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:32:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 348 states and 608 transitions. [2024-11-08 22:32:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 608 transitions. [2024-11-08 22:32:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:32:10,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:10,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:15,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:32:53,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 365 states and 645 transitions. [2024-11-08 22:32:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 645 transitions. [2024-11-08 22:32:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:32:53,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:53,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 382 states and 683 transitions. [2024-11-08 22:33:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 683 transitions. [2024-11-08 22:33:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:33:47,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:47,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:19,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 396 states and 714 transitions. [2024-11-08 22:34:19,099 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 714 transitions. [2024-11-08 22:34:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:34:19,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:19,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 406 states and 735 transitions. [2024-11-08 22:34:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 735 transitions. [2024-11-08 22:34:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:34:47,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:47,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:19,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 416 states and 756 transitions. [2024-11-08 22:35:19,499 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 756 transitions. [2024-11-08 22:35:19,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:35:19,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:19,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 429 states and 779 transitions. [2024-11-08 22:35:52,406 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 779 transitions. [2024-11-08 22:35:52,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:35:52,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:52,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,736 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 436 states and 793 transitions. [2024-11-08 22:36:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 793 transitions. [2024-11-08 22:36:18,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:36:18,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:18,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:18,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 439 states and 803 transitions. [2024-11-08 22:36:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 803 transitions. [2024-11-08 22:36:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:36:23,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:23,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:27,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 439 states and 802 transitions. [2024-11-08 22:36:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 802 transitions. [2024-11-08 22:36:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:36:27,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:27,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:36,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:36,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 454 states and 836 transitions. [2024-11-08 22:37:36,971 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 836 transitions. [2024-11-08 22:37:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:37:36,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:36,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 472 states and 875 transitions. [2024-11-08 22:38:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 875 transitions. [2024-11-08 22:38:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:38:54,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:54,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 473 states and 881 transitions. [2024-11-08 22:39:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 881 transitions. [2024-11-08 22:39:01,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:39:01,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:01,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.