./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_reverse_ground.i --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_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/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_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_reverse_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/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_7137f72f-3b3c-4e29-8361-11c89579a60d/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 cce6de3c48d80c64796d0d47269c605ab237c0f177720038579dfa7efd061db0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:54,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:54,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:54,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:54,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:54,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:54,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:54,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:54,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:54,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:54,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:54,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:54,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:54,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:54,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:54,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:54,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:54,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:54,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:54,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:54,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:54,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:54,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:54,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:54,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:54,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:54,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:54,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:54,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:54,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:54,356 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:54,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:54,356 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:54,357 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_7137f72f-3b3c-4e29-8361-11c89579a60d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cce6de3c48d80c64796d0d47269c605ab237c0f177720038579dfa7efd061db0 [2023-11-19 03:07:54,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:54,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:54,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:54,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:54,766 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:54,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-examples/standard_reverse_ground.i [2023-11-19 03:07:58,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:58,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:58,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/sv-benchmarks/c/array-examples/standard_reverse_ground.i [2023-11-19 03:07:58,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/data/256375978/a45302cac1ab44f0aeb6d68a11338892/FLAGea5283004 [2023-11-19 03:07:58,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/data/256375978/a45302cac1ab44f0aeb6d68a11338892 [2023-11-19 03:07:58,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:58,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:58,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:58,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:58,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:58,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e0db49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58, skipping insertion in model container [2023-11-19 03:07:58,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:58,546 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_7137f72f-3b3c-4e29-8361-11c89579a60d/sv-benchmarks/c/array-examples/standard_reverse_ground.i[816,829] [2023-11-19 03:07:58,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:58,579 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:58,596 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_7137f72f-3b3c-4e29-8361-11c89579a60d/sv-benchmarks/c/array-examples/standard_reverse_ground.i[816,829] [2023-11-19 03:07:58,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:58,633 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:58,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58 WrapperNode [2023-11-19 03:07:58,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:58,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:58,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:58,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:58,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,688 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-19 03:07:58,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:58,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:58,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:58,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:58,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:58,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:58,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:58,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:58,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:58,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:58,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:58,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7137f72f-3b3c-4e29-8361-11c89579a60d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:07:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:07:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:07:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:07:58,890 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:58,893 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:59,028 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:59,078 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:59,078 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:07:59,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:59 BoogieIcfgContainer [2023-11-19 03:07:59,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:59,089 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:59,089 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:59,100 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:59,100 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:59" (1/1) ... [2023-11-19 03:07:59,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-19 03:07:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-19 03:07:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:07:59,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:59,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-19 03:07:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-19 03:07:59,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:07:59,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:59,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:59,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-19 03:07:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-19 03:07:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:07:59,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:59,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:07:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:59,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-19 03:07:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-19 03:07:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:07:59,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:59,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:07:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-19 03:07:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-19 03:07:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:07:59,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:59,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-19 03:08:00,209 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-19 03:08:00,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:08:00,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:00,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2023-11-19 03:08:00,447 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2023-11-19 03:08:00,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:08:00,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:00,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2023-11-19 03:08:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2023-11-19 03:08:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:08:00,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:00,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2023-11-19 03:08:00,894 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2023-11-19 03:08:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:08:00,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:00,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:01,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:01,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-19 03:08:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 03:08:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:08:01,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:01,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-11-19 03:08:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 03:08:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:08:01,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:01,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 03:08:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 03:08:01,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:08:01,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:01,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-19 03:08:01,830 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 03:08:01,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:08:01,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:01,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:02,047 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:02,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:02,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-19 03:08:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-19 03:08:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:08:02,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:02,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:02,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-19 03:08:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-19 03:08:02,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:08:02,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:02,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:02,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-19 03:08:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-19 03:08:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:08:02,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:02,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-19 03:08:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-19 03:08:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:08:03,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:03,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-19 03:08:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-19 03:08:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:08:03,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:03,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:03,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:03,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-19 03:08:03,961 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-19 03:08:03,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:08:03,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:03,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-19 03:08:04,345 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-19 03:08:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:08:04,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:04,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-19 03:08:04,770 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-19 03:08:04,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:08:04,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:04,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:05,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:05,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-19 03:08:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-19 03:08:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:08:05,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:05,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:05,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:05,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-19 03:08:05,657 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-19 03:08:05,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:08:05,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:05,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:05,963 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:06,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-19 03:08:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-19 03:08:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:08:06,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:06,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-19 03:08:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-19 03:08:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:08:06,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:06,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-11-19 03:08:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-19 03:08:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:08:07,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:07,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:07,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:07,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2023-11-19 03:08:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-11-19 03:08:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:08:07,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:07,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:08,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2023-11-19 03:08:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-19 03:08:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:08:08,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:08,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-11-19 03:08:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-19 03:08:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:08:08,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:08,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2023-11-19 03:08:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-11-19 03:08:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:08:09,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:09,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:09,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2023-11-19 03:08:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-11-19 03:08:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:08:09,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:09,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:10,277 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:10,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2023-11-19 03:08:10,469 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2023-11-19 03:08:10,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:08:10,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:10,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:11,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 41 states and 47 transitions. [2023-11-19 03:08:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2023-11-19 03:08:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:08:11,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2023-11-19 03:08:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-11-19 03:08:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:08:11,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:11,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2023-11-19 03:08:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-19 03:08:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:08:12,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:12,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 44 states and 50 transitions. [2023-11-19 03:08:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2023-11-19 03:08:12,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:08:12,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2023-11-19 03:08:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-19 03:08:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:08:13,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:13,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 46 states and 52 transitions. [2023-11-19 03:08:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-19 03:08:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:08:14,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:14,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2023-11-19 03:08:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-19 03:08:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:08:14,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:14,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 48 states and 54 transitions. [2023-11-19 03:08:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-19 03:08:15,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:08:15,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:15,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2023-11-19 03:08:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-19 03:08:16,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:08:16,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:16,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:17,485 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:17,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2023-11-19 03:08:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2023-11-19 03:08:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:08:17,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:17,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:18,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 51 states and 57 transitions. [2023-11-19 03:08:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2023-11-19 03:08:18,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:08:18,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:18,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 52 states and 58 transitions. [2023-11-19 03:08:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2023-11-19 03:08:19,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:08:19,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:19,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 53 states and 59 transitions. [2023-11-19 03:08:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2023-11-19 03:08:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:08:20,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:20,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:21,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:21,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 54 states and 60 transitions. [2023-11-19 03:08:21,987 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2023-11-19 03:08:21,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:08:21,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:21,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 55 states and 61 transitions. [2023-11-19 03:08:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2023-11-19 03:08:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:08:23,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:23,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 56 states and 62 transitions. [2023-11-19 03:08:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2023-11-19 03:08:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:08:24,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:24,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:24,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:25,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:25,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 57 states and 63 transitions. [2023-11-19 03:08:25,306 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2023-11-19 03:08:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:08:25,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:25,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 58 states and 64 transitions. [2023-11-19 03:08:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2023-11-19 03:08:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:08:26,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:26,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2023-11-19 03:08:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2023-11-19 03:08:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:08:27,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:27,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 60 states and 66 transitions. [2023-11-19 03:08:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2023-11-19 03:08:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:08:28,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:28,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2023-11-19 03:08:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2023-11-19 03:08:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:08:29,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 62 states and 68 transitions. [2023-11-19 03:08:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2023-11-19 03:08:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:08:30,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:30,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 63 states and 69 transitions. [2023-11-19 03:08:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-19 03:08:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:08:32,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:32,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-19 03:08:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-19 03:08:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:08:33,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:33,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:34,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:34,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-19 03:08:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-19 03:08:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:08:34,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:35,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2023-11-19 03:08:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-11-19 03:08:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:08:35,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:35,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:36,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2023-11-19 03:08:36,838 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2023-11-19 03:08:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:08:36,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:36,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2023-11-19 03:08:38,052 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2023-11-19 03:08:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:08:38,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:38,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2023-11-19 03:08:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2023-11-19 03:08:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:08:39,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:39,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:08:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:40,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 70 states and 76 transitions. [2023-11-19 03:08:40,688 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2023-11-19 03:08:40,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:08:40,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:40,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat