./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b --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 f682d6a9f9df80cf11b356f08ea6be5ab5adaf1b414fc8a476877af8610cc552 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:05:44,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:05:44,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:05:44,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:05:44,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:05:44,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:05:44,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:05:44,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:05:44,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:05:44,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:05:44,766 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:05:44,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:05:44,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:05:44,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:05:44,766 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:05:44,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:05:44,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:05:44,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:05:44,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:05:44,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:05:44,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:05:44,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b 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 -> f682d6a9f9df80cf11b356f08ea6be5ab5adaf1b414fc8a476877af8610cc552 [2024-12-06 04:05:44,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:05:44,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:05:44,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:05:44,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:05:44,991 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:05:44,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2024-12-06 04:05:47,666 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/data/eec4e7ae6/ba8b7e436d6a45579df2d6e5ca09de70/FLAG2718a3489 [2024-12-06 04:05:47,903 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:05:47,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2024-12-06 04:05:47,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/data/eec4e7ae6/ba8b7e436d6a45579df2d6e5ca09de70/FLAG2718a3489 [2024-12-06 04:05:48,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/data/eec4e7ae6/ba8b7e436d6a45579df2d6e5ca09de70 [2024-12-06 04:05:48,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:05:48,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:05:48,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:05:48,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:05:48,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:05:48,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f43630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48, skipping insertion in model container [2024-12-06 04:05:48,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:05:48,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:05:48,506 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:05:48,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:05:48,572 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:05:48,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48 WrapperNode [2024-12-06 04:05:48,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:05:48,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:05:48,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:05:48,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:05:48,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,611 INFO L138 Inliner]: procedures = 127, calls = 44, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 170 [2024-12-06 04:05:48,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:05:48,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:05:48,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:05:48,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:05:48,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,629 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:05:48,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:05:48,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:05:48,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:05:48,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:48" (1/1) ... [2024-12-06 04:05:48,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:05:48,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:05:48,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:05:48,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fc93a6-d83d-457b-bb93-ae23d91aabb5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:05:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:05:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:05:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:05:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:05:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:05:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 04:05:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 04:05:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:05:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 04:05:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:05:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:05:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:05:48,778 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:05:48,780 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:05:49,139 INFO L? ?]: Removed 168 outVars from TransFormulas that were not future-live. [2024-12-06 04:05:49,139 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:05:49,199 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:05:49,199 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:05:49,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:05:49 BoogieIcfgContainer [2024-12-06 04:05:49,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:05:49,200 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:05:49,200 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:05:49,210 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:05:49,211 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:05:49" (1/1) ... [2024-12-06 04:05:49,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:05:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 115 states and 128 transitions. [2024-12-06 04:05:49,269 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2024-12-06 04:05:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:05:49,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:49,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:49,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:49,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:49,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 114 states and 127 transitions. [2024-12-06 04:05:49,484 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2024-12-06 04:05:49,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:05:49,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:49,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:49,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 113 states and 126 transitions. [2024-12-06 04:05:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2024-12-06 04:05:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:05:49,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:49,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 112 states and 125 transitions. [2024-12-06 04:05:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 125 transitions. [2024-12-06 04:05:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:05:49,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:49,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:49,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 111 states and 124 transitions. [2024-12-06 04:05:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2024-12-06 04:05:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:05:49,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:49,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:49,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 112 states and 125 transitions. [2024-12-06 04:05:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 125 transitions. [2024-12-06 04:05:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:05:49,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:49,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:50,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 111 states and 124 transitions. [2024-12-06 04:05:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2024-12-06 04:05:50,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:05:50,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:50,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 110 states and 123 transitions. [2024-12-06 04:05:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 123 transitions. [2024-12-06 04:05:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:05:50,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:50,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:50,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 109 states and 122 transitions. [2024-12-06 04:05:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2024-12-06 04:05:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:05:50,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:50,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 108 states and 121 transitions. [2024-12-06 04:05:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2024-12-06 04:05:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:05:50,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:50,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 107 states and 120 transitions. [2024-12-06 04:05:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2024-12-06 04:05:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:05:50,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:50,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 106 states and 119 transitions. [2024-12-06 04:05:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2024-12-06 04:05:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:05:50,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:50,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:51,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2024-12-06 04:05:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2024-12-06 04:05:51,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:05:51,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:51,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2024-12-06 04:05:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-12-06 04:05:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:05:52,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:52,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2024-12-06 04:05:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2024-12-06 04:05:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:05:52,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:52,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 102 states and 115 transitions. [2024-12-06 04:05:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2024-12-06 04:05:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:05:52,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:52,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2024-12-06 04:05:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2024-12-06 04:05:52,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:05:52,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:52,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:53,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 100 states and 113 transitions. [2024-12-06 04:05:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2024-12-06 04:05:53,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:05:53,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:53,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:05:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2024-12-06 04:05:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2024-12-06 04:05:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:05:55,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:55,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:58,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 98 states and 111 transitions. [2024-12-06 04:05:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2024-12-06 04:05:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:05:58,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:58,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:58,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2024-12-06 04:05:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2024-12-06 04:05:58,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:05:58,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:58,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2024-12-06 04:05:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2024-12-06 04:05:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:05:59,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:59,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2024-12-06 04:05:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2024-12-06 04:05:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:05:59,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:59,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:05:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 94 states and 107 transitions. [2024-12-06 04:05:59,234 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2024-12-06 04:05:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:05:59,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:59,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:05:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:06:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2024-12-06 04:06:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2024-12-06 04:06:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:06:02,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:02,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:06:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 96 states and 110 transitions. [2024-12-06 04:06:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2024-12-06 04:06:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:06:07,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:07,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 95 states and 109 transitions. [2024-12-06 04:06:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2024-12-06 04:06:08,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:06:08,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:08,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:11,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 94 states and 108 transitions. [2024-12-06 04:06:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2024-12-06 04:06:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:06:11,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:11,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:11,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2024-12-06 04:06:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2024-12-06 04:06:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:06:11,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:11,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:12,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 98 states and 116 transitions. [2024-12-06 04:06:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2024-12-06 04:06:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 04:06:12,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:12,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 100 states and 119 transitions. [2024-12-06 04:06:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2024-12-06 04:06:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 04:06:15,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:15,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:19,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:19,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 102 states and 122 transitions. [2024-12-06 04:06:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 122 transitions. [2024-12-06 04:06:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:06:19,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:19,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 104 states and 126 transitions. [2024-12-06 04:06:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2024-12-06 04:06:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:06:19,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:19,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:21,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:21,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 106 states and 129 transitions. [2024-12-06 04:06:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 129 transitions. [2024-12-06 04:06:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:06:21,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:21,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:21,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 107 states and 132 transitions. [2024-12-06 04:06:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2024-12-06 04:06:21,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:06:21,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:21,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:06:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:22,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 109 states and 137 transitions. [2024-12-06 04:06:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions. [2024-12-06 04:06:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:06:22,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:22,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:06:32,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 111 states and 140 transitions. [2024-12-06 04:06:32,520 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 140 transitions. [2024-12-06 04:06:32,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:06:32,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:32,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:06:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 109 states and 137 transitions. [2024-12-06 04:06:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions. [2024-12-06 04:06:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:06:36,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:36,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:06:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 126 states and 162 transitions. [2024-12-06 04:06:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 162 transitions. [2024-12-06 04:06:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:06:51,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:51,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:07:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 143 states and 190 transitions. [2024-12-06 04:07:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 190 transitions. [2024-12-06 04:07:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:07:13,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:13,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:07:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 148 states and 204 transitions. [2024-12-06 04:07:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 204 transitions. [2024-12-06 04:07:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:07:18,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:18,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:07:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 153 states and 218 transitions. [2024-12-06 04:07:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 218 transitions. [2024-12-06 04:07:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:07:23,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:23,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:23,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 04:07:24,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 154 states and 219 transitions. [2024-12-06 04:07:24,130 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 219 transitions. [2024-12-06 04:07:24,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:07:24,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:24,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 04:07:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 154 states and 218 transitions. [2024-12-06 04:07:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 218 transitions. [2024-12-06 04:07:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:07:25,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:25,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:07:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 155 states and 220 transitions. [2024-12-06 04:07:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 220 transitions. [2024-12-06 04:07:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:07:26,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:26,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:07:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 157 states and 223 transitions. [2024-12-06 04:07:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 223 transitions. [2024-12-06 04:07:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:07:26,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:26,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:07:27,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:27,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 161 states and 229 transitions. [2024-12-06 04:07:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 229 transitions. [2024-12-06 04:07:27,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:07:27,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:27,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:07:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 165 states and 234 transitions. [2024-12-06 04:07:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 234 transitions. [2024-12-06 04:07:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:07:28,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:28,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:07:32,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:32,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 168 states and 244 transitions. [2024-12-06 04:07:32,776 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 244 transitions. [2024-12-06 04:07:32,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:07:32,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:32,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:37,086 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:07:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:52,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 178 states and 267 transitions. [2024-12-06 04:07:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 267 transitions. [2024-12-06 04:07:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:07:52,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:52,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:08:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:08:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 191 states and 301 transitions. [2024-12-06 04:08:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 301 transitions. [2024-12-06 04:08:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:08:19,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:08:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:08:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:08:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:08:26,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:08:26,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 195 states and 308 transitions. [2024-12-06 04:08:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 308 transitions. [2024-12-06 04:08:26,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:08:26,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:08:26,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:08:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:08:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:08:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:08:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 196 states and 308 transitions. [2024-12-06 04:08:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 308 transitions. [2024-12-06 04:08:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:08:27,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:08:27,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:08:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:08:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:08:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:08:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 203 states and 327 transitions. [2024-12-06 04:08:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 327 transitions. [2024-12-06 04:08:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:08:38,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:08:38,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:08:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:08:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:08:50,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:08:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 210 states and 347 transitions. [2024-12-06 04:08:50,441 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 347 transitions. [2024-12-06 04:08:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 04:08:50,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:08:50,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:08:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:08:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:08:57,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:08:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 172 states and 288 transitions. [2024-12-06 04:08:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 288 transitions. [2024-12-06 04:08:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 04:08:57,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:08:57,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:08:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:24,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 179 states and 310 transitions. [2024-12-06 04:09:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 310 transitions. [2024-12-06 04:09:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 04:09:24,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:24,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 189 states and 335 transitions. [2024-12-06 04:09:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 335 transitions. [2024-12-06 04:09:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:09:51,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:51,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:09:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:51,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 188 states and 334 transitions. [2024-12-06 04:09:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 334 transitions. [2024-12-06 04:09:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:09:51,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:51,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:09:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 190 states and 337 transitions. [2024-12-06 04:09:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 337 transitions. [2024-12-06 04:09:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:09:56,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:56,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:09:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 191 states and 341 transitions. [2024-12-06 04:09:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 341 transitions. [2024-12-06 04:09:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:09:58,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:58,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:10:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 192 states and 345 transitions. [2024-12-06 04:10:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 345 transitions. [2024-12-06 04:10:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:00,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:00,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:10:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 195 states and 351 transitions. [2024-12-06 04:10:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 351 transitions. [2024-12-06 04:10:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:05,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:05,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:05,633 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 04:10:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 198 states and 357 transitions. [2024-12-06 04:10:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 357 transitions. [2024-12-06 04:10:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:11,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:10:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 201 states and 361 transitions. [2024-12-06 04:10:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 361 transitions. [2024-12-06 04:10:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:19,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:19,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:10:25,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 204 states and 369 transitions. [2024-12-06 04:10:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 369 transitions. [2024-12-06 04:10:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:25,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:25,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:25,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:10:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 207 states and 373 transitions. [2024-12-06 04:10:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 373 transitions. [2024-12-06 04:10:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:32,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:32,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:10:38,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 124 states and 172 transitions. [2024-12-06 04:10:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2024-12-06 04:10:38,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:38,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:38,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:10:44,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 124 states and 171 transitions. [2024-12-06 04:10:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 171 transitions. [2024-12-06 04:10:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:44,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:44,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:10:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 174 transitions. [2024-12-06 04:10:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 174 transitions. [2024-12-06 04:10:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:51,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:51,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:10:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 128 states and 175 transitions. [2024-12-06 04:10:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2024-12-06 04:10:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:54,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:54,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:54,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:10:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 110 states and 149 transitions. [2024-12-06 04:10:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 149 transitions. [2024-12-06 04:10:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:10:58,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:58,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:10:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:11:00,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:00,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 103 states and 136 transitions. [2024-12-06 04:11:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2024-12-06 04:11:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:11:00,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:00,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:11:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:11:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 107 states and 143 transitions. [2024-12-06 04:11:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2024-12-06 04:11:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:11:02,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:11:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:11:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 111 states and 150 transitions. [2024-12-06 04:11:04,070 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 150 transitions. [2024-12-06 04:11:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:11:04,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:04,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:11:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:11:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 119 states and 167 transitions. [2024-12-06 04:11:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2024-12-06 04:11:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:11:23,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:23,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:11:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:11:39,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 123 states and 173 transitions. [2024-12-06 04:11:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 173 transitions. [2024-12-06 04:11:39,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:11:39,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:39,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:11:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:11:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 124 states and 174 transitions. [2024-12-06 04:11:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 174 transitions. [2024-12-06 04:11:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:11:48,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:48,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:11:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:11:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:11:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 115 states and 157 transitions. [2024-12-06 04:11:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2024-12-06 04:11:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:11:53,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:11:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:11:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:11:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:12:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:01,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 105 states and 138 transitions. [2024-12-06 04:12:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 138 transitions. [2024-12-06 04:12:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:12:01,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:01,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 107 states and 137 transitions. [2024-12-06 04:12:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 137 transitions. [2024-12-06 04:12:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:12:30,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:30,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:44,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:42,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 115 states and 152 transitions. [2024-12-06 04:13:42,608 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2024-12-06 04:13:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:13:42,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:42,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:52,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:14:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:09,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 118 states and 157 transitions. [2024-12-06 04:14:09,838 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 157 transitions. [2024-12-06 04:14:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:14:09,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:09,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:14:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 122 states and 165 transitions. [2024-12-06 04:14:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 165 transitions. [2024-12-06 04:14:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:14:22,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:22,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:14:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 112 states and 138 transitions. [2024-12-06 04:14:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2024-12-06 04:14:32,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:14:32,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:32,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:14:38,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:38,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 104 states and 125 transitions. [2024-12-06 04:14:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2024-12-06 04:14:38,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:14:38,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:38,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:14:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 98 states and 116 transitions. [2024-12-06 04:14:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2024-12-06 04:14:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:14:49,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:49,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:16:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 106 states and 135 transitions. [2024-12-06 04:16:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 135 transitions. [2024-12-06 04:16:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:16:43,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:43,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:17:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:44,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 117 states and 152 transitions. [2024-12-06 04:17:44,277 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 152 transitions. [2024-12-06 04:17:44,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:17:44,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:44,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:58,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:18:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 122 states and 158 transitions. [2024-12-06 04:18:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 158 transitions. [2024-12-06 04:18:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:18:42,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:42,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:18:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:18:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 116 states and 151 transitions. [2024-12-06 04:18:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2024-12-06 04:18:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:18:50,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:50,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:18:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:02,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.