./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.09.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.09.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL --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 16b6a38408403620534e0fd3420fc5cec7a59a0b00c704b760a1c7da59bda35b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:39:42,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:39:42,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:39:42,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:39:42,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:39:42,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:39:43,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:39:43,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:39:43,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:39:43,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:39:43,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:39:43,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:39:43,005 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:39:43,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:39:43,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:39:43,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:39:43,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:39:43,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:39:43,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:39:43,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:39:43,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:39:43,010 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:39:43,010 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:39:43,011 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:39:43,011 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:39:43,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:39:43,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:39:43,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:39:43,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:39:43,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:39:43,014 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:39:43,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:39:43,015 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:39:43,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b6a38408403620534e0fd3420fc5cec7a59a0b00c704b760a1c7da59bda35b [2023-11-19 02:39:43,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:39:43,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:39:43,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:39:43,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:39:43,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:39:43,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.09.cil-2.c [2023-11-19 02:39:46,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:39:47,170 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:39:47,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/sv-benchmarks/c/combinations/Problem05_label49+token_ring.09.cil-2.c [2023-11-19 02:39:47,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/data/2a2151430/ead590efd9c64ab3abe3ba13ea236599/FLAGbb702cab6 [2023-11-19 02:39:47,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/data/2a2151430/ead590efd9c64ab3abe3ba13ea236599 [2023-11-19 02:39:47,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:39:47,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:39:47,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:47,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:39:47,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:39:47,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:47" (1/1) ... [2023-11-19 02:39:47,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76199e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:47, skipping insertion in model container [2023-11-19 02:39:47,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:47" (1/1) ... [2023-11-19 02:39:47,565 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:39:49,787 WARN L240 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_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/sv-benchmarks/c/combinations/Problem05_label49+token_ring.09.cil-2.c[380593,380606] [2023-11-19 02:39:49,820 WARN L240 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_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/sv-benchmarks/c/combinations/Problem05_label49+token_ring.09.cil-2.c[383339,383352] [2023-11-19 02:39:50,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:50,152 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:39:51,443 WARN L240 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_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/sv-benchmarks/c/combinations/Problem05_label49+token_ring.09.cil-2.c[380593,380606] [2023-11-19 02:39:51,449 WARN L240 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_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/sv-benchmarks/c/combinations/Problem05_label49+token_ring.09.cil-2.c[383339,383352] [2023-11-19 02:39:51,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:51,563 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:39:51,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51 WrapperNode [2023-11-19 02:39:51,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:51,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:51,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:39:51,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:39:51,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:51,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,112 INFO L138 Inliner]: procedures = 62, calls = 69, calls flagged for inlining = 39, calls inlined = 39, statements flattened = 13054 [2023-11-19 02:39:52,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:52,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:39:52,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:39:52,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:39:52,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:39:52,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:39:52,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:39:52,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:39:52,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:51" (1/1) ... [2023-11-19 02:39:52,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:39:52,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:39:52,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:39:52,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6d5a8b-0f20-4f41-9ff4-c27828ff7acf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:39:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:39:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-19 02:39:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-19 02:39:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 02:39:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 02:39:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-19 02:39:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-19 02:39:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 02:39:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 02:39:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-19 02:39:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-19 02:39:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-19 02:39:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-19 02:39:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-19 02:39:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-19 02:39:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:39:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:39:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:39:53,084 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:39:53,086 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:40:02,470 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:40:05,364 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:40:05,365 INFO L302 CfgBuilder]: Removed 13 assume(true) statements. [2023-11-19 02:40:05,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:05 BoogieIcfgContainer [2023-11-19 02:40:05,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:40:05,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:40:05,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:40:05,402 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:40:05,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:05" (1/1) ... [2023-11-19 02:40:05,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:40:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 1814 states and 3531 transitions. [2023-11-19 02:40:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 3531 transitions. [2023-11-19 02:40:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:05,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1842 states and 3585 transitions. [2023-11-19 02:40:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 3585 transitions. [2023-11-19 02:40:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:06,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:06,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:06,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1843 states and 3585 transitions. [2023-11-19 02:40:06,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3585 transitions. [2023-11-19 02:40:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:06,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:06,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:06,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1844 states and 3585 transitions. [2023-11-19 02:40:06,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 3585 transitions. [2023-11-19 02:40:06,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:06,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:06,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1845 states and 3585 transitions. [2023-11-19 02:40:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 3585 transitions. [2023-11-19 02:40:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:07,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:07,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1846 states and 3585 transitions. [2023-11-19 02:40:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 3585 transitions. [2023-11-19 02:40:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:07,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:07,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1847 states and 3585 transitions. [2023-11-19 02:40:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 3585 transitions. [2023-11-19 02:40:07,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:07,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:07,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1848 states and 3585 transitions. [2023-11-19 02:40:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 3585 transitions. [2023-11-19 02:40:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:07,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:07,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:07,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1849 states and 3585 transitions. [2023-11-19 02:40:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3585 transitions. [2023-11-19 02:40:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:07,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:07,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:07,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:07,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1850 states and 3585 transitions. [2023-11-19 02:40:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 3585 transitions. [2023-11-19 02:40:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:07,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:07,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 1851 states and 3585 transitions. [2023-11-19 02:40:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 3585 transitions. [2023-11-19 02:40:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:08,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:08,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1875 states and 3632 transitions. [2023-11-19 02:40:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 3632 transitions. [2023-11-19 02:40:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:08,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:08,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1876 states and 3632 transitions. [2023-11-19 02:40:08,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 3632 transitions. [2023-11-19 02:40:08,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:08,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:08,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1877 states and 3632 transitions. [2023-11-19 02:40:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 3632 transitions. [2023-11-19 02:40:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:08,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:08,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:08,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1878 states and 3632 transitions. [2023-11-19 02:40:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 3632 transitions. [2023-11-19 02:40:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:08,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:08,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:09,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1879 states and 3632 transitions. [2023-11-19 02:40:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3632 transitions. [2023-11-19 02:40:09,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:09,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:09,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1880 states and 3632 transitions. [2023-11-19 02:40:09,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 3632 transitions. [2023-11-19 02:40:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:09,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:09,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1881 states and 3632 transitions. [2023-11-19 02:40:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 3632 transitions. [2023-11-19 02:40:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:09,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:09,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1882 states and 3632 transitions. [2023-11-19 02:40:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 3632 transitions. [2023-11-19 02:40:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:09,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:09,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:09,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 1902 states and 3673 transitions. [2023-11-19 02:40:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3673 transitions. [2023-11-19 02:40:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:09,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:09,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 1903 states and 3673 transitions. [2023-11-19 02:40:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 3673 transitions. [2023-11-19 02:40:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:10,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:10,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:10,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 1904 states and 3673 transitions. [2023-11-19 02:40:10,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 3673 transitions. [2023-11-19 02:40:10,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:10,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:10,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 1905 states and 3673 transitions. [2023-11-19 02:40:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 3673 transitions. [2023-11-19 02:40:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:10,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:10,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:10,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 1906 states and 3673 transitions. [2023-11-19 02:40:10,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 3673 transitions. [2023-11-19 02:40:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:10,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:10,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 1907 states and 3673 transitions. [2023-11-19 02:40:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 3673 transitions. [2023-11-19 02:40:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:10,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:10,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:10,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:10,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:10,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 1908 states and 3673 transitions. [2023-11-19 02:40:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 3673 transitions. [2023-11-19 02:40:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:10,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:10,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 1922 states and 3702 transitions. [2023-11-19 02:40:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 3702 transitions. [2023-11-19 02:40:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:11,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:11,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 1923 states and 3702 transitions. [2023-11-19 02:40:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 3702 transitions. [2023-11-19 02:40:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:11,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:11,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 1924 states and 3702 transitions. [2023-11-19 02:40:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 3702 transitions. [2023-11-19 02:40:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:11,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 1925 states and 3702 transitions. [2023-11-19 02:40:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 3702 transitions. [2023-11-19 02:40:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:11,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:11,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:11,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 1926 states and 3702 transitions. [2023-11-19 02:40:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 3702 transitions. [2023-11-19 02:40:11,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:11,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:11,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:12,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:12,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1934 states and 3719 transitions. [2023-11-19 02:40:12,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 3719 transitions. [2023-11-19 02:40:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:12,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:12,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1935 states and 3719 transitions. [2023-11-19 02:40:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 3719 transitions. [2023-11-19 02:40:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:12,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:12,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:12,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1936 states and 3719 transitions. [2023-11-19 02:40:12,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 3719 transitions. [2023-11-19 02:40:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:12,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:12,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 1938 states and 3724 transitions. [2023-11-19 02:40:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 3724 transitions. [2023-11-19 02:40:13,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:40:13,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:13,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:13,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:13,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 1946 states and 3738 transitions. [2023-11-19 02:40:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3738 transitions. [2023-11-19 02:40:13,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:40:13,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:13,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:40:15,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:15,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 1980 states and 3806 transitions. [2023-11-19 02:40:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 3806 transitions. [2023-11-19 02:40:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:40:15,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:15,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:40:17,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 1985 states and 3817 transitions. [2023-11-19 02:40:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 3817 transitions. [2023-11-19 02:40:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:40:17,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:17,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:40:19,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 1996 states and 3840 transitions. [2023-11-19 02:40:19,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 3840 transitions. [2023-11-19 02:40:19,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:40:19,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:19,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:40:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3963 states to 2013 states and 3875 transitions. [2023-11-19 02:40:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 3875 transitions. [2023-11-19 02:40:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:40:23,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:23,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:40:29,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4026 states to 2039 states and 3928 transitions. [2023-11-19 02:40:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 3928 transitions. [2023-11-19 02:40:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:40:29,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:40:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 2040 states and 3929 transitions. [2023-11-19 02:40:29,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 3929 transitions. [2023-11-19 02:40:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:40:29,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:29,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:40:29,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 2041 states and 3930 transitions. [2023-11-19 02:40:29,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 3930 transitions. [2023-11-19 02:40:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:40:29,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:29,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:40:30,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:30,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4029 states to 2042 states and 3931 transitions. [2023-11-19 02:40:30,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 3931 transitions. [2023-11-19 02:40:30,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:40:30,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:30,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.