./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/max-2-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/max-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d56d1653edfb1a7b1c72e82d390b1b74d1df9114797a2f1426eb2285f6c4408f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:21,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:21,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:05:21,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:21,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:21,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:21,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:21,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:21,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:21,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:21,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:21,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:21,577 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:21,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:21,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:21,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:21,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:21,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:21,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:21,581 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:21,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:21,583 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:21,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:21,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:21,584 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:21,585 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:21,585 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:21,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:21,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:21,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:21,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:21,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:21,589 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:21,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:21,589 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:21,590 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_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d56d1653edfb1a7b1c72e82d390b1b74d1df9114797a2f1426eb2285f6c4408f [2023-11-23 20:05:21,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:22,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:22,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:22,045 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:22,046 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:22,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-multidimensional/max-2-u.c [2023-11-23 20:05:25,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:26,209 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:26,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/sv-benchmarks/c/array-multidimensional/max-2-u.c [2023-11-23 20:05:26,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/data/66e3d037a/8577c46e7a1d4420ab24fe8837bf01dd/FLAG3142d3c1a [2023-11-23 20:05:26,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/data/66e3d037a/8577c46e7a1d4420ab24fe8837bf01dd [2023-11-23 20:05:26,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:26,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:26,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:26,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:26,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:26,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306302f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26, skipping insertion in model container [2023-11-23 20:05:26,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:26,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:26,500 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:26,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:26,541 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:26,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26 WrapperNode [2023-11-23 20:05:26,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:26,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:26,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:26,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:26,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,591 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-11-23 20:05:26,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:26,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:26,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:26,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:26,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:26,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:26,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:26,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:26,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:26,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:26,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:26,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7a93e-1489-4add-86e0-bfc23d891a78/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:05:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:05:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:05:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:05:26,831 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:26,834 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:27,132 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:27,265 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:27,270 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 20:05:27,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:27 BoogieIcfgContainer [2023-11-23 20:05:27,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:27,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:27,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:27,290 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:27,291 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:27,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-23 20:05:27,371 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-23 20:05:27,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:05:27,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:27,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:27,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-23 20:05:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-23 20:05:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:05:27,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:27,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:27,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2023-11-23 20:05:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-23 20:05:27,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:05:27,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:27,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2023-11-23 20:05:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-23 20:05:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:05:28,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2023-11-23 20:05:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2023-11-23 20:05:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:05:28,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2023-11-23 20:05:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2023-11-23 20:05:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:05:28,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2023-11-23 20:05:28,780 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-23 20:05:28,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:28,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2023-11-23 20:05:28,842 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2023-11-23 20:05:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:28,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2023-11-23 20:05:28,922 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2023-11-23 20:05:28,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:28,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2023-11-23 20:05:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2023-11-23 20:05:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:28,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 107 transitions. [2023-11-23 20:05:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2023-11-23 20:05:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:29,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 64 states and 114 transitions. [2023-11-23 20:05:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 114 transitions. [2023-11-23 20:05:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:29,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 68 states and 124 transitions. [2023-11-23 20:05:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 124 transitions. [2023-11-23 20:05:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:29,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2023-11-23 20:05:29,509 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2023-11-23 20:05:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:29,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:29,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 67 states and 116 transitions. [2023-11-23 20:05:29,646 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 116 transitions. [2023-11-23 20:05:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:29,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2023-11-23 20:05:29,820 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2023-11-23 20:05:29,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:29,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:05:30,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-23 20:05:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-23 20:05:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:30,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:30,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 73 states and 128 transitions. [2023-11-23 20:05:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2023-11-23 20:05:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:30,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:30,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 76 states and 131 transitions. [2023-11-23 20:05:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 131 transitions. [2023-11-23 20:05:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:30,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:30,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:31,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 135 transitions. [2023-11-23 20:05:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 135 transitions. [2023-11-23 20:05:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:05:31,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:31,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:05:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 80 states and 136 transitions. [2023-11-23 20:05:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 136 transitions. [2023-11-23 20:05:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:05:31,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:31,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:31,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 83 states and 143 transitions. [2023-11-23 20:05:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 143 transitions. [2023-11-23 20:05:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:05:31,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:31,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:05:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 146 transitions. [2023-11-23 20:05:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 146 transitions. [2023-11-23 20:05:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:05:32,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:32,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:32,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 149 transitions. [2023-11-23 20:05:32,528 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2023-11-23 20:05:32,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:05:32,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:32,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:32,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:32,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 91 states and 150 transitions. [2023-11-23 20:05:32,730 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2023-11-23 20:05:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:32,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:32,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:32,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:33,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 94 states and 157 transitions. [2023-11-23 20:05:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2023-11-23 20:05:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:33,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:33,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:33,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:33,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:33,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2023-11-23 20:05:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2023-11-23 20:05:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:33,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:33,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:33,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:33,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 100 states and 163 transitions. [2023-11-23 20:05:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 163 transitions. [2023-11-23 20:05:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:05:34,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,121 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:05:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 102 states and 164 transitions. [2023-11-23 20:05:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2023-11-23 20:05:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:05:34,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 171 transitions. [2023-11-23 20:05:34,799 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2023-11-23 20:05:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:05:34,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:05:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:35,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 108 states and 174 transitions. [2023-11-23 20:05:35,153 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2023-11-23 20:05:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:05:35,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:35,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:05:35,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:35,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 111 states and 177 transitions. [2023-11-23 20:05:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 177 transitions. [2023-11-23 20:05:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:05:35,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:35,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-23 20:05:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 113 states and 178 transitions. [2023-11-23 20:05:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2023-11-23 20:05:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:35,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:35,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:35,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 116 states and 185 transitions. [2023-11-23 20:05:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 185 transitions. [2023-11-23 20:05:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:36,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:36,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-23 20:05:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 119 states and 188 transitions. [2023-11-23 20:05:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 188 transitions. [2023-11-23 20:05:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:36,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:36,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 122 states and 191 transitions. [2023-11-23 20:05:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2023-11-23 20:05:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:37,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:37,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:37,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:37,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-23 20:05:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:37,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 124 states and 192 transitions. [2023-11-23 20:05:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 192 transitions. [2023-11-23 20:05:37,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:37,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:37,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:37,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:05:37,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:37,888 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:38,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 127 states and 199 transitions. [2023-11-23 20:05:38,376 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 199 transitions. [2023-11-23 20:05:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:38,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:38,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-23 20:05:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 130 states and 202 transitions. [2023-11-23 20:05:38,794 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 202 transitions. [2023-11-23 20:05:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:38,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:05:38,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:39,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 133 states and 205 transitions. [2023-11-23 20:05:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2023-11-23 20:05:39,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:05:39,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-23 20:05:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 135 states and 206 transitions. [2023-11-23 20:05:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 206 transitions. [2023-11-23 20:05:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:05:39,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 138 states and 213 transitions. [2023-11-23 20:05:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2023-11-23 20:05:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:05:40,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:40,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:40,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:40,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-23 20:05:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 141 states and 216 transitions. [2023-11-23 20:05:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 216 transitions. [2023-11-23 20:05:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:05:40,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:40,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:40,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:40,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:41,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:41,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 144 states and 219 transitions. [2023-11-23 20:05:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 219 transitions. [2023-11-23 20:05:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:41,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:41,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:41,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:41,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 20:05:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 146 states and 220 transitions. [2023-11-23 20:05:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2023-11-23 20:05:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:41,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:41,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:41,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:05:41,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 149 states and 227 transitions. [2023-11-23 20:05:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 227 transitions. [2023-11-23 20:05:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:42,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:42,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:42,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:42,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 20:05:43,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 152 states and 230 transitions. [2023-11-23 20:05:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 230 transitions. [2023-11-23 20:05:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:43,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:43,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:43,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:05:43,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:43,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 155 states and 233 transitions. [2023-11-23 20:05:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 233 transitions. [2023-11-23 20:05:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:05:44,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:44,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:44,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:44,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-23 20:05:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 157 states and 234 transitions. [2023-11-23 20:05:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 234 transitions. [2023-11-23 20:05:44,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:44,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:44,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:44,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 160 states and 241 transitions. [2023-11-23 20:05:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 241 transitions. [2023-11-23 20:05:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:45,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:45,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:45,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:45,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-23 20:05:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 163 states and 244 transitions. [2023-11-23 20:05:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 244 transitions. [2023-11-23 20:05:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:45,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:45,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:45,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 10 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:46,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:46,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 166 states and 247 transitions. [2023-11-23 20:05:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2023-11-23 20:05:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:46,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:46,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:46,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:46,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:05:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 168 states and 248 transitions. [2023-11-23 20:05:46,686 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 248 transitions. [2023-11-23 20:05:46,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:46,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:46,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:46,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:05:46,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 171 states and 255 transitions. [2023-11-23 20:05:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2023-11-23 20:05:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:47,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:47,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:47,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:47,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:05:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 174 states and 258 transitions. [2023-11-23 20:05:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 258 transitions. [2023-11-23 20:05:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:47,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:47,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:47,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:05:47,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 177 states and 261 transitions. [2023-11-23 20:05:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 261 transitions. [2023-11-23 20:05:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:05:48,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:48,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:48,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:48,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 20:05:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 179 states and 262 transitions. [2023-11-23 20:05:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 262 transitions. [2023-11-23 20:05:48,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:05:48,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:48,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:48,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:49,133 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 182 states and 269 transitions. [2023-11-23 20:05:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 269 transitions. [2023-11-23 20:05:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:05:49,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:49,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:49,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:49,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 20:05:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 185 states and 272 transitions. [2023-11-23 20:05:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 272 transitions. [2023-11-23 20:05:50,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:05:50,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:50,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:50,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:50,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 188 states and 275 transitions. [2023-11-23 20:05:50,946 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 275 transitions. [2023-11-23 20:05:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:05:50,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:50,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:51,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:51,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:05:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 190 states and 276 transitions. [2023-11-23 20:05:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 276 transitions. [2023-11-23 20:05:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:05:51,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:51,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:05:51,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:51,520 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 193 states and 283 transitions. [2023-11-23 20:05:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 283 transitions. [2023-11-23 20:05:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:05:52,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:52,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:52,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:52,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:05:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 196 states and 286 transitions. [2023-11-23 20:05:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 286 transitions. [2023-11-23 20:05:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:05:52,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:52,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:52,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:05:52,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 13 proven. 176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 199 states and 289 transitions. [2023-11-23 20:05:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 289 transitions. [2023-11-23 20:05:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:05:53,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:53,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:53,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:53,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-23 20:05:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 201 states and 290 transitions. [2023-11-23 20:05:53,762 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 290 transitions. [2023-11-23 20:05:53,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:05:53,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:53,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:53,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:53,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:54,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:54,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 204 states and 297 transitions. [2023-11-23 20:05:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 297 transitions. [2023-11-23 20:05:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:05:54,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:54,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:54,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:54,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-23 20:05:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 207 states and 300 transitions. [2023-11-23 20:05:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 300 transitions. [2023-11-23 20:05:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:05:54,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:54,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:54,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:54,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 14 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 210 states and 303 transitions. [2023-11-23 20:05:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 303 transitions. [2023-11-23 20:05:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:05:55,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:55,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:55,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-23 20:05:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 212 states and 304 transitions. [2023-11-23 20:05:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 304 transitions. [2023-11-23 20:05:56,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:05:56,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:56,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:56,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:05:56,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 215 states and 311 transitions. [2023-11-23 20:05:56,869 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 311 transitions. [2023-11-23 20:05:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:05:56,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:56,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:56,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:56,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-23 20:05:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 218 states and 314 transitions. [2023-11-23 20:05:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 314 transitions. [2023-11-23 20:05:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:05:57,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:57,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:57,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:05:57,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 15 proven. 247 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 221 states and 317 transitions. [2023-11-23 20:05:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 317 transitions. [2023-11-23 20:05:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:05:58,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:58,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:58,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:58,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-23 20:05:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 223 states and 318 transitions. [2023-11-23 20:05:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 318 transitions. [2023-11-23 20:05:58,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:05:58,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:58,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:58,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:05:58,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 226 states and 325 transitions. [2023-11-23 20:05:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 325 transitions. [2023-11-23 20:05:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:05:59,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:59,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:59,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:59,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:59,755 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-23 20:06:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 229 states and 328 transitions. [2023-11-23 20:06:00,123 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 328 transitions. [2023-11-23 20:06:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:06:00,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:00,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:00,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:06:00,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 16 proven. 287 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:06:01,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 232 states and 331 transitions. [2023-11-23 20:06:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 331 transitions. [2023-11-23 20:06:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:06:01,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:01,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:01,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:01,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-23 20:06:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 234 states and 332 transitions. [2023-11-23 20:06:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 332 transitions. [2023-11-23 20:06:01,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:06:01,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:01,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:01,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:06:01,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 237 states and 339 transitions. [2023-11-23 20:06:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 339 transitions. [2023-11-23 20:06:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:06:02,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:02,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:02,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-23 20:06:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 240 states and 342 transitions. [2023-11-23 20:06:02,783 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 342 transitions. [2023-11-23 20:06:02,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:06:02,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:02,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:02,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:06:02,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 17 proven. 330 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:06:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 243 states and 345 transitions. [2023-11-23 20:06:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 345 transitions. [2023-11-23 20:06:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:06:03,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:03,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:03,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:03,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-23 20:06:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:04,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 245 states and 346 transitions. [2023-11-23 20:06:04,117 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 346 transitions. [2023-11-23 20:06:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:06:04,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:04,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:04,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:06:04,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 248 states and 353 transitions. [2023-11-23 20:06:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 353 transitions. [2023-11-23 20:06:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:06:05,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:05,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:05,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:05,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-23 20:06:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 251 states and 356 transitions. [2023-11-23 20:06:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 356 transitions. [2023-11-23 20:06:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:06:05,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:05,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:05,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:06:05,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 18 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:06:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 254 states and 359 transitions. [2023-11-23 20:06:06,698 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 359 transitions. [2023-11-23 20:06:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:06:06,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:06,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:06,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:06,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-23 20:06:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 256 states and 360 transitions. [2023-11-23 20:06:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 360 transitions. [2023-11-23 20:06:07,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:06:07,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:07,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:07,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:06:07,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:08,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 259 states and 367 transitions. [2023-11-23 20:06:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 367 transitions. [2023-11-23 20:06:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:06:08,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:08,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:08,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:08,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-23 20:06:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 262 states and 370 transitions. [2023-11-23 20:06:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 370 transitions. [2023-11-23 20:06:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:06:08,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:08,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:08,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:06:08,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 19 proven. 425 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:06:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 265 states and 373 transitions. [2023-11-23 20:06:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 373 transitions. [2023-11-23 20:06:09,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:06:09,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:09,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:09,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:09,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-11-23 20:06:10,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 267 states and 374 transitions. [2023-11-23 20:06:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 374 transitions. [2023-11-23 20:06:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:06:10,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:10,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:10,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:06:10,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.