./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/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_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/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_a30d263c-5d3a-472a-9d19-35f261f61bff/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 06a81e8bf3973396767cf6326af5dc9a5105a737c418064bf310f9765cc117f7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:07,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:07,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:06:07,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:07,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:07,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:07,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:07,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:07,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:07,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:07,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:07,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:07,486 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:06:07,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:07,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:06:07,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:07,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:07,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:07,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:07,490 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:06:07,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:07,491 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:07,492 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:07,493 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:07,493 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:07,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:07,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:07,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:07,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:07,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:07,497 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:07,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:07,497 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:07,498 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_a30d263c-5d3a-472a-9d19-35f261f61bff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a81e8bf3973396767cf6326af5dc9a5105a737c418064bf310f9765cc117f7 [2023-11-19 03:06:07,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:07,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:07,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:07,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:07,821 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:07,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2023-11-19 03:06:11,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:11,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:11,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2023-11-19 03:06:11,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/data/fbc55634f/847b9c2355e5472abb32a5e313606c97/FLAG609720e02 [2023-11-19 03:06:11,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/data/fbc55634f/847b9c2355e5472abb32a5e313606c97 [2023-11-19 03:06:11,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:11,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:11,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:11,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:11,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:11,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c4b376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11, skipping insertion in model container [2023-11-19 03:06:11,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:11,417 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_a30d263c-5d3a-472a-9d19-35f261f61bff/sv-benchmarks/c/recursive-simple/fibo_15-1.c[744,757] [2023-11-19 03:06:11,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:11,432 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:11,447 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_a30d263c-5d3a-472a-9d19-35f261f61bff/sv-benchmarks/c/recursive-simple/fibo_15-1.c[744,757] [2023-11-19 03:06:11,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:11,461 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:11,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11 WrapperNode [2023-11-19 03:06:11,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:11,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:11,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:11,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:11,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,493 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2023-11-19 03:06:11,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:11,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:11,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:11,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:11,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:11,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:11,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:11,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:11,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:11,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:11,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:11,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30d263c-5d3a-472a-9d19-35f261f61bff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2023-11-19 03:06:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2023-11-19 03:06:11,661 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:11,663 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:11,770 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:11,789 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:11,789 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:06:11,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:11 BoogieIcfgContainer [2023-11-19 03:06:11,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:11,796 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:11,796 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:11,804 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:11,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:11,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:06:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:06:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:06:11,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:11,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:12,108 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 03:06:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 25 transitions. [2023-11-19 03:06:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 03:06:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:12,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:12,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:12,403 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 03:06:12,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 29 transitions. [2023-11-19 03:06:12,539 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-19 03:06:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:06:12,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:12,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:06:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 28 transitions. [2023-11-19 03:06:12,821 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-19 03:06:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:06:12,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:12,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:06:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 40 transitions. [2023-11-19 03:06:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-19 03:06:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:06:13,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:13,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:06:13,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 47 transitions. [2023-11-19 03:06:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-11-19 03:06:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:06:14,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:14,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:06:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 62 transitions. [2023-11-19 03:06:14,517 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-19 03:06:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:06:14,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:14,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:06:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 61 transitions. [2023-11-19 03:06:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 03:06:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:06:15,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:15,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-19 03:06:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:15,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 78 transitions. [2023-11-19 03:06:15,689 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2023-11-19 03:06:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-19 03:06:15,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:15,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 326 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-19 03:06:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 44 states and 98 transitions. [2023-11-19 03:06:16,341 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 98 transitions. [2023-11-19 03:06:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-19 03:06:16,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:16,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4113 backedges. 142 proven. 942 refuted. 0 times theorem prover too weak. 3029 trivial. 0 not checked. [2023-11-19 03:06:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 49 states and 121 transitions. [2023-11-19 03:06:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 121 transitions. [2023-11-19 03:06:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 03:06:17,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:17,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:17,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 264 proven. 295 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-11-19 03:06:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 49 states and 120 transitions. [2023-11-19 03:06:18,096 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 120 transitions. [2023-11-19 03:06:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 03:06:18,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:18,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1385 backedges. 329 proven. 341 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-11-19 03:06:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:18,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 51 states and 136 transitions. [2023-11-19 03:06:18,889 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 136 transitions. [2023-11-19 03:06:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-19 03:06:18,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:18,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:19,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4113 backedges. 686 proven. 842 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2023-11-19 03:06:20,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 51 states and 133 transitions. [2023-11-19 03:06:20,083 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 133 transitions. [2023-11-19 03:06:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2023-11-19 03:06:20,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:20,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 268 proven. 1524 refuted. 0 times theorem prover too weak. 5966 trivial. 0 not checked. [2023-11-19 03:06:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 56 states and 158 transitions. [2023-11-19 03:06:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 158 transitions. [2023-11-19 03:06:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2023-11-19 03:06:21,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:21,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 25265 backedges. 741 proven. 3099 refuted. 0 times theorem prover too weak. 21425 trivial. 0 not checked. [2023-11-19 03:06:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 56 states and 157 transitions. [2023-11-19 03:06:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 157 transitions. [2023-11-19 03:06:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2023-11-19 03:06:22,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:22,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 25110 backedges. 529 proven. 3350 refuted. 0 times theorem prover too weak. 21231 trivial. 0 not checked. [2023-11-19 03:06:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 61 states and 185 transitions. [2023-11-19 03:06:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 185 transitions. [2023-11-19 03:06:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1305 [2023-11-19 03:06:24,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:24,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 102375 backedges. 1060 proven. 8108 refuted. 0 times theorem prover too weak. 93207 trivial. 0 not checked. [2023-11-19 03:06:27,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:27,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 66 states and 216 transitions. [2023-11-19 03:06:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 216 transitions. [2023-11-19 03:06:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1227 [2023-11-19 03:06:27,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:27,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 90414 backedges. 2158 proven. 6431 refuted. 0 times theorem prover too weak. 81825 trivial. 0 not checked. [2023-11-19 03:06:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 66 states and 216 transitions. [2023-11-19 03:06:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 216 transitions. [2023-11-19 03:06:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2023-11-19 03:06:29,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:29,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 25110 backedges. 3269 proven. 1420 refuted. 0 times theorem prover too weak. 20421 trivial. 0 not checked. [2023-11-19 03:06:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 68 states and 217 transitions. [2023-11-19 03:06:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 217 transitions. [2023-11-19 03:06:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1227 [2023-11-19 03:06:31,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:31,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 90414 backedges. 1997 proven. 6592 refuted. 0 times theorem prover too weak. 81825 trivial. 0 not checked. [2023-11-19 03:06:33,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 68 states and 217 transitions. [2023-11-19 03:06:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 217 transitions. [2023-11-19 03:06:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1227 [2023-11-19 03:06:33,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:33,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 90414 backedges. 2158 proven. 6431 refuted. 0 times theorem prover too weak. 81825 trivial. 0 not checked. [2023-11-19 03:06:35,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 68 states and 217 transitions. [2023-11-19 03:06:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 217 transitions. [2023-11-19 03:06:35,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2023-11-19 03:06:35,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 73071 backedges. 1952 proven. 5725 refuted. 0 times theorem prover too weak. 65394 trivial. 0 not checked. [2023-11-19 03:06:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 68 states and 217 transitions. [2023-11-19 03:06:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 217 transitions. [2023-11-19 03:06:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1236 [2023-11-19 03:06:37,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:37,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 91765 backedges. 5652 proven. 8347 refuted. 0 times theorem prover too weak. 77766 trivial. 0 not checked. [2023-11-19 03:06:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 68 states and 215 transitions. [2023-11-19 03:06:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 215 transitions. [2023-11-19 03:06:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1432 [2023-11-19 03:06:40,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:40,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 123419 backedges. 3995 proven. 10874 refuted. 0 times theorem prover too weak. 108550 trivial. 0 not checked. [2023-11-19 03:06:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 68 states and 213 transitions. [2023-11-19 03:06:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 213 transitions. [2023-11-19 03:06:43,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1741 [2023-11-19 03:06:43,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:43,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 182865 backedges. 1730 proven. 12036 refuted. 0 times theorem prover too weak. 169099 trivial. 0 not checked. [2023-11-19 03:06:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 73 states and 244 transitions. [2023-11-19 03:06:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 244 transitions. [2023-11-19 03:06:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2580 [2023-11-19 03:06:46,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:46,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 402957 backedges. 2898 proven. 17290 refuted. 0 times theorem prover too weak. 382769 trivial. 0 not checked. [2023-11-19 03:06:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 75 states and 246 transitions. [2023-11-19 03:06:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 246 transitions. [2023-11-19 03:06:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2853 [2023-11-19 03:06:50,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:50,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 493173 backedges. 4039 proven. 16553 refuted. 0 times theorem prover too weak. 472581 trivial. 0 not checked. [2023-11-19 03:06:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 75 states and 245 transitions. [2023-11-19 03:06:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 245 transitions. [2023-11-19 03:06:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2613 [2023-11-19 03:06:55,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:55,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat