./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label36.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_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/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_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/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_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/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 62e9241ba979767c8bca2756b2edfc882f7b20aa81fc6f783856c8cd54d80552 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:05:13,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:05:13,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:05:13,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:05:13,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:05:13,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:05:13,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:05:13,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:05:13,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:05:13,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:05:13,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:05:13,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:05:13,964 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:05:13,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:05:13,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:05:13,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:05:13,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:05:13,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:05:13,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:05:13,974 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:05:13,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:05:13,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:05:13,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:05:13,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:05:13,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:05:13,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:05:13,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:13,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:05:13,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:05:13,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:05:13,981 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:05:13,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:05:13,981 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:05:13,982 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_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62e9241ba979767c8bca2756b2edfc882f7b20aa81fc6f783856c8cd54d80552 [2023-11-19 04:05:14,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:05:14,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:05:14,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:05:14,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:05:14,277 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:05:14,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem03_label36.c [2023-11-19 04:05:17,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:17,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:17,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/sv-benchmarks/c/eca-rers2012/Problem03_label36.c [2023-11-19 04:05:17,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/data/ea44ed020/77caf0dcdf124bfeb118f5ba2e65aea9/FLAGafb5e9552 [2023-11-19 04:05:17,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/data/ea44ed020/77caf0dcdf124bfeb118f5ba2e65aea9 [2023-11-19 04:05:17,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:17,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:17,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:17,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:17,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:17,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:17" (1/1) ... [2023-11-19 04:05:17,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c893d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:17, skipping insertion in model container [2023-11-19 04:05:17,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:17" (1/1) ... [2023-11-19 04:05:17,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:18,721 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_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/sv-benchmarks/c/eca-rers2012/Problem03_label36.c[58393,58406] [2023-11-19 04:05:18,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:18,788 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:19,175 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_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/sv-benchmarks/c/eca-rers2012/Problem03_label36.c[58393,58406] [2023-11-19 04:05:19,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:19,214 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:19,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19 WrapperNode [2023-11-19 04:05:19,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:19,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:19,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:19,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:19,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,445 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1772 [2023-11-19 04:05:19,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:19,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:19,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:19,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:19,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:19,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:19,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:19,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:19,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:19,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:19,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:19,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d2d2bb-ed81-4350-89f4-8299c9fb7f1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:19,830 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:19,833 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:22,309 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:22,780 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:22,781 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:05:22,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:22 BoogieIcfgContainer [2023-11-19 04:05:22,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:22,789 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:22,789 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:22,801 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:22,802 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:22" (1/1) ... [2023-11-19 04:05:22,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:22,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:22,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2023-11-19 04:05:22,900 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2023-11-19 04:05:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 04:05:22,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:22,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:24,244 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 04:05:25,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:25,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 289 states and 517 transitions. [2023-11-19 04:05:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 517 transitions. [2023-11-19 04:05:25,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 04:05:25,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:25,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 437 states and 723 transitions. [2023-11-19 04:05:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 723 transitions. [2023-11-19 04:05:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:05:28,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:28,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 444 states and 733 transitions. [2023-11-19 04:05:28,986 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 733 transitions. [2023-11-19 04:05:28,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 04:05:28,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:28,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:32,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 599 states and 965 transitions. [2023-11-19 04:05:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 965 transitions. [2023-11-19 04:05:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-19 04:05:32,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:32,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 618 states and 989 transitions. [2023-11-19 04:05:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 989 transitions. [2023-11-19 04:05:33,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 04:05:33,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:33,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:35,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 640 states and 1021 transitions. [2023-11-19 04:05:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1021 transitions. [2023-11-19 04:05:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 04:05:35,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:35,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:36,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 665 states and 1058 transitions. [2023-11-19 04:05:36,788 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1058 transitions. [2023-11-19 04:05:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 04:05:36,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:36,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:38,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 673 states and 1081 transitions. [2023-11-19 04:05:38,212 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1081 transitions. [2023-11-19 04:05:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 04:05:38,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:38,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 679 states and 1088 transitions. [2023-11-19 04:05:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1088 transitions. [2023-11-19 04:05:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 04:05:38,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:38,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:39,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 698 states and 1109 transitions. [2023-11-19 04:05:39,797 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1109 transitions. [2023-11-19 04:05:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 04:05:39,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:39,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 724 states and 1146 transitions. [2023-11-19 04:05:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1146 transitions. [2023-11-19 04:05:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 04:05:41,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:41,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 751 states and 1184 transitions. [2023-11-19 04:05:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1184 transitions. [2023-11-19 04:05:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 04:05:44,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:44,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 768 states and 1217 transitions. [2023-11-19 04:05:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1217 transitions. [2023-11-19 04:05:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 04:05:45,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:45,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 775 states and 1233 transitions. [2023-11-19 04:05:46,188 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1233 transitions. [2023-11-19 04:05:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 04:05:46,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:46,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 797 states and 1258 transitions. [2023-11-19 04:05:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1258 transitions. [2023-11-19 04:05:47,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 04:05:47,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:47,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:49,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 826 states and 1303 transitions. [2023-11-19 04:05:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1303 transitions. [2023-11-19 04:05:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 04:05:49,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:49,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 850 states and 1335 transitions. [2023-11-19 04:05:52,252 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1335 transitions. [2023-11-19 04:05:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 04:05:52,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:52,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 876 states and 1381 transitions. [2023-11-19 04:05:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1381 transitions. [2023-11-19 04:05:54,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 04:05:54,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:54,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 898 states and 1409 transitions. [2023-11-19 04:05:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1409 transitions. [2023-11-19 04:05:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 04:05:55,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:55,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 904 states and 1415 transitions. [2023-11-19 04:05:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1415 transitions. [2023-11-19 04:05:56,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 04:05:56,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:56,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 905 states and 1416 transitions. [2023-11-19 04:05:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1416 transitions. [2023-11-19 04:05:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 04:05:56,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:56,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:58,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 930 states and 1447 transitions. [2023-11-19 04:05:58,078 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1447 transitions. [2023-11-19 04:05:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 04:05:58,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:58,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 936 states and 1454 transitions. [2023-11-19 04:05:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1454 transitions. [2023-11-19 04:05:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-19 04:05:58,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:58,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 963 states and 1504 transitions. [2023-11-19 04:06:01,187 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1504 transitions. [2023-11-19 04:06:01,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-19 04:06:01,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:01,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:01,439 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.