./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/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_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/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_7e2faca0-2772-4e47-84da-d30f872ab9f1/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 52a248b2b2cf395cf0c12ea6447af889ed3691d7fa3d2de2504a7728d19c705b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:55,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:55,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:00:55,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:55,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:55,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:55,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:55,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:55,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:55,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:55,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:55,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:55,460 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:55,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:55,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:55,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:55,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:55,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:55,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:55,465 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:55,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:55,466 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:55,467 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:55,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:55,468 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:55,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:55,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:55,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:55,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:55,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:55,472 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:55,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:55,473 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:55,473 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_7e2faca0-2772-4e47-84da-d30f872ab9f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52a248b2b2cf395cf0c12ea6447af889ed3691d7fa3d2de2504a7728d19c705b [2023-11-19 04:00:55,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:55,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:55,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:55,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:55,848 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:55,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c [2023-11-19 04:00:59,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:59,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:59,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c [2023-11-19 04:00:59,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/data/6387bc67e/052a61c907734aa1ade3a12a67760624/FLAG893579050 [2023-11-19 04:00:59,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/data/6387bc67e/052a61c907734aa1ade3a12a67760624 [2023-11-19 04:00:59,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:59,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:59,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:59,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:59,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:59,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebce58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59, skipping insertion in model container [2023-11-19 04:00:59,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:59,473 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_7e2faca0-2772-4e47-84da-d30f872ab9f1/sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c[414,427] [2023-11-19 04:00:59,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:59,514 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:59,525 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_7e2faca0-2772-4e47-84da-d30f872ab9f1/sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c[414,427] [2023-11-19 04:00:59,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:59,558 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:59,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59 WrapperNode [2023-11-19 04:00:59,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:59,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:59,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:59,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:59,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,602 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 132 [2023-11-19 04:00:59,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:59,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:59,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:59,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:59,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:59,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:59,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:59,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:59,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:59" (1/1) ... [2023-11-19 04:00:59,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:59,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:59,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:59,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2faca0-2772-4e47-84da-d30f872ab9f1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:00:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:00:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:59,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:00:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:00:59,834 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:59,836 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:00,107 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:00,231 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:00,232 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 04:01:00,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:00 BoogieIcfgContainer [2023-11-19 04:01:00,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:00,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:00,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:00,254 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:00,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:00" (1/1) ... [2023-11-19 04:01:00,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2023-11-19 04:01:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2023-11-19 04:01:00,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:01:00,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:00,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:00,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:00,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:00,581 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 04:01:00,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:00,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2023-11-19 04:01:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2023-11-19 04:01:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:01:00,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:00,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:00,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:00,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2023-11-19 04:01:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2023-11-19 04:01:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:01:00,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:00,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:00,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:00,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:00,921 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 04:01:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2023-11-19 04:01:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2023-11-19 04:01:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:01:00,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:00,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:01,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:01,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2023-11-19 04:01:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2023-11-19 04:01:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:01:01,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:01,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:01,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2023-11-19 04:01:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2023-11-19 04:01:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:01:01,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:01,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:01:01,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:01,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-11-19 04:01:01,592 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-11-19 04:01:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:01,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:01,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:01:01,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2023-11-19 04:01:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2023-11-19 04:01:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:01,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:01,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:01:01,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2023-11-19 04:01:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2023-11-19 04:01:02,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:02,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:02,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:02,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:01:02,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-11-19 04:01:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-19 04:01:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:02,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:02,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:02,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:01:02,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2023-11-19 04:01:02,601 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2023-11-19 04:01:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:01:02,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:02,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:02,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:02,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:02,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2023-11-19 04:01:02,898 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2023-11-19 04:01:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:01:02,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:02,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:02,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:01:02,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-11-19 04:01:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-19 04:01:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:03,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:03,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:03,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:01:03,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2023-11-19 04:01:03,493 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2023-11-19 04:01:03,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:01:03,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:03,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:01:03,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:03,674 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2023-11-19 04:01:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2023-11-19 04:01:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:01:03,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:03,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:03,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:03,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-19 04:01:04,119 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-19 04:01:04,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:01:04,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:01:04,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2023-11-19 04:01:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-11-19 04:01:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:01:04,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:01:04,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-11-19 04:01:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-19 04:01:04,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:01:04,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 04:01:04,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:05,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2023-11-19 04:01:05,155 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2023-11-19 04:01:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:05,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:01:05,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-19 04:01:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-19 04:01:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:01:05,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:01:05,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2023-11-19 04:01:05,895 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2023-11-19 04:01:05,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:05,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:01:05,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2023-11-19 04:01:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2023-11-19 04:01:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:01:06,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:06,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:01:06,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2023-11-19 04:01:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2023-11-19 04:01:06,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:01:06,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:06,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:06,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:01:06,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2023-11-19 04:01:07,074 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2023-11-19 04:01:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:01:07,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:07,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:07,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 04:01:07,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:07,335 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2023-11-19 04:01:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2023-11-19 04:01:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:01:07,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:07,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:01:07,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2023-11-19 04:01:07,979 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2023-11-19 04:01:07,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:01:07,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:07,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:08,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 04:01:08,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2023-11-19 04:01:08,408 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-11-19 04:01:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:01:08,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:08,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:01:08,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2023-11-19 04:01:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-19 04:01:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:01:08,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:08,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:01:08,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2023-11-19 04:01:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2023-11-19 04:01:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:09,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:01:09,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:09,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2023-11-19 04:01:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-19 04:01:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:01:09,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:01:09,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2023-11-19 04:01:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2023-11-19 04:01:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:01:10,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:10,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:10,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:01:10,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2023-11-19 04:01:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-11-19 04:01:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:01:10,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:10,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:01:10,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:11,100 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:11,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:11,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2023-11-19 04:01:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2023-11-19 04:01:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:01:11,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:11,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:11,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:01:11,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2023-11-19 04:01:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2023-11-19 04:01:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:01:11,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:11,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:11,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 04:01:11,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2023-11-19 04:01:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2023-11-19 04:01:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:01:12,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:12,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:12,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:01:12,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-11-19 04:01:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-19 04:01:12,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:01:12,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 04:01:13,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2023-11-19 04:01:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-19 04:01:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:01:13,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 04:01:13,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2023-11-19 04:01:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-19 04:01:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:01:14,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:14,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:01:14,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:14,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2023-11-19 04:01:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-19 04:01:14,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:01:14,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:14,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:01:14,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2023-11-19 04:01:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-19 04:01:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:01:15,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:01:15,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:15,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 58 states and 74 transitions. [2023-11-19 04:01:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2023-11-19 04:01:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:01:15,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:01:15,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:16,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 59 states and 75 transitions. [2023-11-19 04:01:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-19 04:01:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:01:16,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:16,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:16,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 04:01:16,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2023-11-19 04:01:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-19 04:01:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:01:16,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:16,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:17,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 04:01:17,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2023-11-19 04:01:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2023-11-19 04:01:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:01:17,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:17,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:17,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 04:01:17,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2023-11-19 04:01:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-11-19 04:01:18,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:01:18,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 63 states and 79 transitions. [2023-11-19 04:01:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2023-11-19 04:01:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:01:18,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:19,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 04:01:19,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:19,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2023-11-19 04:01:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2023-11-19 04:01:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:01:19,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:19,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:19,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 04:01:19,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:20,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2023-11-19 04:01:20,168 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2023-11-19 04:01:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:20,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:20,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:20,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 04:01:20,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2023-11-19 04:01:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2023-11-19 04:01:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:01:20,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:20,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:21,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 04:01:21,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:21,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:21,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2023-11-19 04:01:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2023-11-19 04:01:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:01:21,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:21,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:21,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 04:01:21,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:22,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 68 states and 84 transitions. [2023-11-19 04:01:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2023-11-19 04:01:22,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:01:22,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:22,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:22,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 04:01:22,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:23,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 69 states and 85 transitions. [2023-11-19 04:01:23,148 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2023-11-19 04:01:23,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:01:23,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:23,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:23,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 04:01:23,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions. [2023-11-19 04:01:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2023-11-19 04:01:23,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:01:23,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:24,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 04:01:24,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 71 states and 87 transitions. [2023-11-19 04:01:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2023-11-19 04:01:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:01:24,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:24,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:24,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-19 04:01:24,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:25,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 72 states and 88 transitions. [2023-11-19 04:01:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2023-11-19 04:01:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:01:25,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:25,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:25,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 04:01:25,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:25,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2023-11-19 04:01:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2023-11-19 04:01:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:01:26,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:26,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:26,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-19 04:01:26,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 74 states and 90 transitions. [2023-11-19 04:01:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2023-11-19 04:01:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:01:26,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:27,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 04:01:27,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 75 states and 91 transitions. [2023-11-19 04:01:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2023-11-19 04:01:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:01:27,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:27,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:27,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-19 04:01:27,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2023-11-19 04:01:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2023-11-19 04:01:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:01:28,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:28,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 04:01:28,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 77 states and 93 transitions. [2023-11-19 04:01:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-11-19 04:01:29,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:01:29,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:29,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-19 04:01:29,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2023-11-19 04:01:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2023-11-19 04:01:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:01:30,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:30,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:30,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 04:01:30,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2023-11-19 04:01:30,970 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2023-11-19 04:01:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:01:30,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:30,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:31,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-19 04:01:31,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 96 transitions. [2023-11-19 04:01:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2023-11-19 04:01:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 04:01:31,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:31,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 04:01:31,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2023-11-19 04:01:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2023-11-19 04:01:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:01:32,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:32,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:32,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-19 04:01:32,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:33,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-11-19 04:01:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-11-19 04:01:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:01:33,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:33,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:33,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 04:01:33,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:34,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:34,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2023-11-19 04:01:34,413 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2023-11-19 04:01:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 04:01:34,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:34,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:34,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 04:01:34,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2023-11-19 04:01:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2023-11-19 04:01:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 04:01:35,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:35,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:35,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 04:01:35,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2023-11-19 04:01:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2023-11-19 04:01:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 04:01:36,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:36,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:36,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-19 04:01:36,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:37,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2023-11-19 04:01:37,305 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2023-11-19 04:01:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:01:37,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:37,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:37,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 04:01:37,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:37,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:38,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:38,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2023-11-19 04:01:38,291 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2023-11-19 04:01:38,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:01:38,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:38,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:38,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-19 04:01:38,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2023-11-19 04:01:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-11-19 04:01:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 04:01:39,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:39,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 04:01:39,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2023-11-19 04:01:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2023-11-19 04:01:40,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 04:01:40,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:40,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:40,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-19 04:01:40,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:40,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:41,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:41,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 90 states and 106 transitions. [2023-11-19 04:01:41,112 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2023-11-19 04:01:41,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 04:01:41,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:41,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:41,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-19 04:01:41,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 91 states and 107 transitions. [2023-11-19 04:01:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 107 transitions. [2023-11-19 04:01:42,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 04:01:42,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:42,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:42,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 04:01:42,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:42,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 92 states and 108 transitions. [2023-11-19 04:01:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 108 transitions. [2023-11-19 04:01:42,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:01:42,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:42,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:43,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-19 04:01:43,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 93 states and 109 transitions. [2023-11-19 04:01:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2023-11-19 04:01:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 04:01:44,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:44,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:44,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-19 04:01:44,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 94 states and 110 transitions. [2023-11-19 04:01:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2023-11-19 04:01:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 04:01:45,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:45,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-19 04:01:45,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:46,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2023-11-19 04:01:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2023-11-19 04:01:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 04:01:46,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:46,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:46,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-19 04:01:46,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 2 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:47,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2023-11-19 04:01:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2023-11-19 04:01:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 04:01:47,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:47,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:47,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 04:01:47,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2023-11-19 04:01:48,116 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2023-11-19 04:01:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 04:01:48,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:48,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-19 04:01:48,363 INFO L285 TraceCheckSpWp]: Computing forward predicates...