./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/deep-nested.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_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/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_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/deep-nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/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_30a5b608-2070-4e11-9ecc-90dee1834476/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 f4fa4f6a03e1cc5362361e8e2a443a39504511936859bef102e6d3337f038be8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:28,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:28,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:02:28,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:28,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:28,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:28,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:28,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:28,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:28,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:28,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:28,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:28,911 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:28,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:28,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:28,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:28,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:28,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:28,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:28,915 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:28,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:28,916 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:28,916 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:28,917 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:28,917 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:28,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:28,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:28,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:28,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:28,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:28,921 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:28,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:28,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:28,922 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_30a5b608-2070-4e11-9ecc-90dee1834476/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4fa4f6a03e1cc5362361e8e2a443a39504511936859bef102e6d3337f038be8 [2023-11-19 03:02:29,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:29,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:29,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:29,249 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:29,249 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:29,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-simple/deep-nested.c [2023-11-19 03:02:32,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:32,449 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:32,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/sv-benchmarks/c/loop-simple/deep-nested.c [2023-11-19 03:02:32,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/data/34f486ebe/8a5d21ed90ec431899f60b67f0232b67/FLAG46949b256 [2023-11-19 03:02:32,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/data/34f486ebe/8a5d21ed90ec431899f60b67f0232b67 [2023-11-19 03:02:32,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:32,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:32,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:32,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:32,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:32,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae51305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32, skipping insertion in model container [2023-11-19 03:02:32,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:32,667 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_30a5b608-2070-4e11-9ecc-90dee1834476/sv-benchmarks/c/loop-simple/deep-nested.c[863,876] [2023-11-19 03:02:32,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:32,683 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:32,700 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_30a5b608-2070-4e11-9ecc-90dee1834476/sv-benchmarks/c/loop-simple/deep-nested.c[863,876] [2023-11-19 03:02:32,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:32,716 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:32,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32 WrapperNode [2023-11-19 03:02:32,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:32,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:32,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:32,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:32,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,753 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-19 03:02:32,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:32,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:32,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:32,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:32,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:32,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:32,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:32,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:32,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:32" (1/1) ... [2023-11-19 03:02:32,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:32,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:32,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:32,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a5b608-2070-4e11-9ecc-90dee1834476/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:02:32,936 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:32,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:33,225 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:33,285 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:33,286 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:02:33,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:33 BoogieIcfgContainer [2023-11-19 03:02:33,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:33,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:33,291 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:33,301 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:33,301 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:33,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:02:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:33,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-19 03:02:33,362 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-19 03:02:33,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:02:33,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:33,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:33,745 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 03:02:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2023-11-19 03:02:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2023-11-19 03:02:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:02:33,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:33,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2023-11-19 03:02:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2023-11-19 03:02:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:02:34,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:34,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:02:35,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:35,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2023-11-19 03:02:35,346 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-11-19 03:02:35,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:02:35,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:35,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:02:35,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2023-11-19 03:02:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2023-11-19 03:02:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:02:35,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:35,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2023-11-19 03:02:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2023-11-19 03:02:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:02:37,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:37,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:02:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2023-11-19 03:02:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2023-11-19 03:02:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:02:38,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:38,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:02:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2023-11-19 03:02:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2023-11-19 03:02:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:39,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:39,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:02:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2023-11-19 03:02:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2023-11-19 03:02:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:40,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:40,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2023-11-19 03:02:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2023-11-19 03:02:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:02:41,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:41,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:43,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2023-11-19 03:02:43,430 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2023-11-19 03:02:43,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:02:43,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:43,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:45,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2023-11-19 03:02:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2023-11-19 03:02:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:02:45,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:45,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2023-11-19 03:02:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2023-11-19 03:02:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:02:47,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:47,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:49,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2023-11-19 03:02:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2023-11-19 03:02:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:02:49,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:49,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 85 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2023-11-19 03:02:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2023-11-19 03:02:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:02:50,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:50,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 109 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2023-11-19 03:02:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2023-11-19 03:02:52,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:52,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:52,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 3 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 100 transitions. [2023-11-19 03:02:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-19 03:02:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:02:54,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:54,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 103 transitions. [2023-11-19 03:02:57,069 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2023-11-19 03:02:57,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:02:57,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:57,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 3 proven. 199 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:59,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2023-11-19 03:02:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2023-11-19 03:02:59,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:02:59,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:59,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 3 proven. 235 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:03:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:01,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2023-11-19 03:03:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2023-11-19 03:03:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:03:01,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:01,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:03:04,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2023-11-19 03:03:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2023-11-19 03:03:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:03:04,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:04,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 3 proven. 316 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:03:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 80 states and 115 transitions. [2023-11-19 03:03:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2023-11-19 03:03:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:03:07,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:07,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 3 proven. 361 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:03:10,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 83 states and 118 transitions. [2023-11-19 03:03:10,022 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2023-11-19 03:03:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:03:10,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 3 proven. 409 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:03:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 86 states and 121 transitions. [2023-11-19 03:03:12,849 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2023-11-19 03:03:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:03:12,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:12,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 3 proven. 460 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:03:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 124 transitions. [2023-11-19 03:03:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2023-11-19 03:03:15,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:03:15,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:15,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 3 proven. 514 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:03:19,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 92 states and 127 transitions. [2023-11-19 03:03:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 127 transitions. [2023-11-19 03:03:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:03:19,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:19,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat