./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dea78793c7130d873f751539350d9a84f129d659be765f9ed3f85c683976c43a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:13:26,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:13:26,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:13:26,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:13:26,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:13:26,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:13:26,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:13:26,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:13:26,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:13:26,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:13:26,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:13:26,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:13:26,872 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:13:26,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:13:26,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:13:26,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:13:26,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:13:26,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:13:26,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:13:26,873 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:13:26,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:13:26,873 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:13:26,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:13:26,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:13:26,873 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:13:26,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:13:26,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:13:26,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:13:26,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:13:26,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:13:26,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:13:26,875 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:13:26,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:13:26,875 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_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3 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 ! call(reach_error())) ) 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 -> dea78793c7130d873f751539350d9a84f129d659be765f9ed3f85c683976c43a [2024-11-25 03:13:27,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:13:27,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:13:27,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:13:27,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:13:27,204 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:13:27,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c [2024-11-25 03:13:30,303 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/data/cbb376125/84dcae72dc5f4e8296f869af885ea780/FLAGa74973d47 [2024-11-25 03:13:30,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:13:30,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c [2024-11-25 03:13:30,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/data/cbb376125/84dcae72dc5f4e8296f869af885ea780/FLAGa74973d47 [2024-11-25 03:13:30,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/data/cbb376125/84dcae72dc5f4e8296f869af885ea780 [2024-11-25 03:13:30,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:13:30,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:13:30,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:13:30,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:13:30,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:13:30,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c10a3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30, skipping insertion in model container [2024-11-25 03:13:30,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:13:30,771 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c[1440,1453] [2024-11-25 03:13:30,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:13:30,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:13:30,840 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c[1440,1453] [2024-11-25 03:13:30,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:13:30,884 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:13:30,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30 WrapperNode [2024-11-25 03:13:30,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:13:30,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:13:30,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:13:30,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:13:30,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,936 INFO L138 Inliner]: procedures = 16, calls = 71, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-11-25 03:13:30,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:13:30,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:13:30,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:13:30,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:13:30,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:13:30,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:13:30,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:13:30,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:13:30,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:30" (1/1) ... [2024-11-25 03:13:30,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:13:31,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:13:31,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:13:31,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114c5d9a-cc18-465d-be9a-8a865f7bdf31/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:13:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_12_to_13_0 [2024-11-25 03:13:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_12_to_13_0 [2024-11-25 03:13:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:13:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-11-25 03:13:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-11-25 03:13:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_11_to_12_0 [2024-11-25 03:13:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_11_to_12_0 [2024-11-25 03:13:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:13:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_14_to_16_0 [2024-11-25 03:13:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_14_to_16_0 [2024-11-25 03:13:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_10_to_11_0 [2024-11-25 03:13:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_10_to_11_0 [2024-11-25 03:13:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:13:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:13:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:13:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:13:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:13:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:13:31,183 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:13:31,186 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:13:31,626 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-25 03:13:31,626 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:13:31,750 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:13:31,750 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:13:31,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:13:31 BoogieIcfgContainer [2024-11-25 03:13:31,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:13:31,751 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:13:31,751 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:13:31,765 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:13:31,765 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:13:31" (1/1) ... [2024-11-25 03:13:31,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:13:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2024-11-25 03:13:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2024-11-25 03:13:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:13:31,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:13:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 86 transitions. [2024-11-25 03:13:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2024-11-25 03:13:37,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:13:37,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:37,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:40,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:13:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 100 transitions. [2024-11-25 03:13:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2024-11-25 03:13:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:13:42,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:42,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:45,401 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:13:47,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 70 states and 118 transitions. [2024-11-25 03:13:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2024-11-25 03:13:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:13:47,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:47,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:13:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 77 states and 140 transitions. [2024-11-25 03:13:51,984 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 140 transitions. [2024-11-25 03:13:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:13:51,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:51,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:13:57,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 162 transitions. [2024-11-25 03:13:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 162 transitions. [2024-11-25 03:13:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:13:57,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:14:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 108 states and 223 transitions. [2024-11-25 03:14:21,050 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 223 transitions. [2024-11-25 03:14:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 03:14:21,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:21,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:14:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:14:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 115 states and 241 transitions. [2024-11-25 03:14:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 241 transitions. [2024-11-25 03:14:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 03:14:31,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:31,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:14:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:14:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 117 states and 246 transitions. [2024-11-25 03:14:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 246 transitions. [2024-11-25 03:14:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:14:35,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:35,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:14:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:14:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 129 states and 310 transitions. [2024-11-25 03:14:51,611 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 310 transitions. [2024-11-25 03:14:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:14:51,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:51,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:14:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:14:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 134 states and 360 transitions. [2024-11-25 03:14:58,256 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 360 transitions. [2024-11-25 03:14:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:14:58,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:58,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:14:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:04,165 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:15:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:15:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 147 states and 420 transitions. [2024-11-25 03:15:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 420 transitions. [2024-11-25 03:15:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:15:25,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:15:25,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:15:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 03:16:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 162 states and 504 transitions. [2024-11-25 03:16:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 504 transitions. [2024-11-25 03:16:12,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:16:12,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:12,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 03:16:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 169 states and 561 transitions. [2024-11-25 03:16:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 561 transitions. [2024-11-25 03:16:39,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 03:16:39,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:39,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:16:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 171 states and 574 transitions. [2024-11-25 03:16:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 574 transitions. [2024-11-25 03:16:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 03:16:41,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:41,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 03:18:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 200 states and 738 transitions. [2024-11-25 03:18:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 738 transitions. [2024-11-25 03:18:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 03:18:10,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:10,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 03:18:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 202 states and 741 transitions. [2024-11-25 03:18:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 741 transitions. [2024-11-25 03:18:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 03:18:13,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:13,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:18:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 208 states and 861 transitions. [2024-11-25 03:18:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 861 transitions. [2024-11-25 03:18:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 03:18:50,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:50,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 223 states and 933 transitions. [2024-11-25 03:20:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 933 transitions. [2024-11-25 03:20:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 03:20:13,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:13,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 228 states and 951 transitions. [2024-11-25 03:20:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 951 transitions. [2024-11-25 03:20:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:20:51,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:51,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 03:21:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:30,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 233 states and 1034 transitions. [2024-11-25 03:21:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1034 transitions. [2024-11-25 03:21:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 03:21:30,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:53,920 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:24:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 256 states and 1233 transitions. [2024-11-25 03:24:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1233 transitions. [2024-11-25 03:24:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 03:24:01,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:01,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:24:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:24:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 258 states and 1260 transitions. [2024-11-25 03:24:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1260 transitions. [2024-11-25 03:24:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 03:24:39,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:39,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:24:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.